What Is Agroecology? 13 Principles and Farming Practices

Quick Answer: Agroecological farming practices include crop rotations, cover crops, nutrient recycling, integrated pest management, managed grazing, and strategically placed trees or buffers. Choose practices around a specific problem, such as erosion, pest pressure, or unreliable forage, then check their fit with your climate, equipment, labor, and budget. The HLPE’s 13 principles guide these decisions; they are distinct from FAO’s 10 elements.

A cover crop, a livestock enterprise, and a flowering field border can each serve a useful purpose. Whether they work well together depends on timing, water, nutrients, management, and the people responsible for the farm. Understanding agroecology helps you evaluate those connections before investing in another practice.

This guide explains the 13 principles, separates them from other commonly cited frameworks, and shows how to choose practical options for U.S. farms. You will also find regional considerations, a staged transition plan, historical cost benchmarks, and ways to measure progress without assuming that every ecological improvement produces an immediate financial return.

Key Takeaways

• The 13 HLPE principles and FAO’s 10 elements are related frameworks, not interchangeable lists.
• Choose practices for a defined field problem, then check how they affect the rest of the farm.
• Water availability, planting windows, equipment, and land tenure can determine whether a practice is workable.
• Reducing purchased inputs requires sound nutrient and pest management, not simply stopping necessary treatments.
• Evaluate soil, crop performance, labor, finances, and community relationships together before expanding a trial.

What Makes a Farming Practice Agroecological?

An agroecological practice uses relationships within a farming system to perform useful work. A rotation can interrupt a pest’s access to its preferred host, a legume can contribute biologically fixed nitrogen, and a field border can support beneficial insects. The important question is how that practice interacts with crop production, natural resources, and the people managing the land.

A single practice does not describe an entire food system. A farm might protect its soil while struggling with insecure land access, excessive workloads, or weak market connections. The FAO overview of agroecology therefore includes ecological and social relationships across production, distribution, and consumption.

Distinguish the principle, the practice, and the result

• Principle: The underlying aim, such as recycling nutrients or improving biodiversity.
• Practice: The management action, such as returning analyzed manure to a suitable field or extending a crop rotation.
• Result: What actually changes, such as purchased fertilizer use, crop performance, nutrient losses, or net income.

For example, grazing a cover crop may connect forage production with nutrient recycling. However, grazing saturated ground can damage soil structure, and removing too much vegetation can leave the surface exposed. The practice must be evaluated under the conditions in which it operates.

The 13 Principles of Agroecology and Their Farm Applications

The High Level Panel of Experts on Food Security and Nutrition consolidated 13 principles in its 2019 report. The list below follows HLPE Report 14, Table 1. The farm applications are illustrative examples, not requirements that every operation must implement.

Principle	Main purpose	Illustrative farm application
1. Recycling	Reuse nutrients and biological materials.	Return suitable crop residues and analyzed manure to productive use.
2. Input reduction	Reduce dependence on purchased inputs.	Use justified nutrient credits and avoid unnecessary field operations.
3. Soil health	Maintain productive, biologically active soil.	Protect vulnerable ground and address damaging traffic patterns.
4. Animal health	Protect livestock health and welfare.	Match forage, water, shelter, and care to animal needs.
5. Biodiversity	Support variety within agricultural ecosystems.	Diversify rotations and retain suitable noncrop habitat.
6. Synergy	Develop useful interactions among components.	Connect forage, livestock, manure management, and subsequent crops.
7. Economic diversification	Broaden viable income opportunities.	Evaluate an additional crop or market with a separate budget.
8. Co-creation of knowledge	Develop and share knowledge collaboratively.	Design field trials with neighboring growers and Extension.
9. Social values and diets	Respect culture, equity, and food needs.	Include community preferences when planning direct-market production.
10. Fairness	Support fair livelihoods and relationships.	Review working conditions and producer-buyer agreements.
11. Connectivity	Strengthen producer-consumer relationships.	Coordinate with buyers or a regional food hub.
12. Land and natural resource governance	Improve arrangements for resource stewardship.	Address lease security and responsibilities for conservation investments.
13. Participation	Include affected people in decisions.	Involve workers, producers, and community members in relevant planning.

Some principles apply directly to a field; others require decisions across a farm, supply chain, or community. An operation without livestock does not need to add animals simply to demonstrate agroecological thinking. Its priorities should reflect its actual resources, relationships, and responsibilities.

The distinction between the 13 principles and other frameworks is explained in the research review Agroecological principles and elements and their implications for transitioning to sustainable food systems. The principles help connect management choices with broader goals, rather than serving as a universal production recipe.

How the 13 Principles Relate to FAO’s 10 Elements

FAO’s 10 Elements of Agroecology provide a complementary way to understand agricultural and food-system change. They are:

• Diversity.
• Co-creation and sharing of knowledge.
• Synergies.
• Efficiency.
• Recycling.
• Resilience.
• Human and social values.
• Culture and food traditions.
• Responsible governance.
• Circular and solidarity economy.

The two frameworks overlap, but they organize the subject differently. For example, the 13 principles distinguish biodiversity from economic diversification and explicitly identify soil health and animal health. Those subjects are connected with several parts of the FAO framework.

For practical use, identify the framework before quoting a numbered list. Use the 13 principles to examine specific decisions and the 10 elements to consider how the wider system fits together. Neither list automatically establishes certification, proves environmental performance, or replaces local agronomic advice.

Agroecological Farming Practices: Match the Practice to the Problem

Agroecological farming practices are most useful when they address an identified constraint. Start with what is happening in the field, then consider the management options and the trade-offs each introduces. The following examples are starting points for assessment, not prescriptions for every farm.

Observed problem	Options to evaluate	Important check
Bare soil during an erosion-prone period	Cover crops, residue retention, or appropriate perennial cover	Establishment window, water use, and compatibility with the next crop
A recurring crop-specific pest	Nonhost rotations, resistant varieties, sanitation, and scouting	Pest biology and alternative hosts
Uneven or excessive nutrient applications	Soil testing, manure analysis, nutrient credits, and calibrated application	Plant-available nutrients and loss pathways
Compaction and costly field traffic	Traffic management and an appropriate reduction in tillage	Soil moisture, drainage, equipment, and seed placement
Forage shortages or poor pasture recovery	Adjusted stocking, recovery periods, and suitable forage integration	Animal needs, residual vegetation, water, and fencing
Wind exposure or vulnerable field edges	Windbreaks, buffers, or other perennial vegetation	Placement, crop competition, maintenance, and equipment access

Protect the soil during vulnerable periods

Soil cover, living roots, plant diversity, and appropriate disturbance management support different but connected soil functions. Residues protect the surface, roots contribute biological inputs, and management affects the habitat available to soil organisms. These relationships are central to NRCS soil health management guidance.

Cover-crop species must be selected for a specific job. Cereal rye can suit cool conditions and later establishment; oats may winterkill in sufficiently cold climates; and suitable legumes can contribute nitrogen through biological fixation. Planting date, termination method, moisture use, and the next cash crop determine whether the intended benefit is realized.

For a first trial, a manageable species or simple combination may be more useful than an expensive mixture. Have a termination plan before planting, particularly for a cover that survives winter. University of Minnesota Extension’s cover-crop guidance explains how goals, species selection, and management interact.

Use rotations to change more than the crop name

Crop rotation can vary rooting patterns, residue quality, nutrient demand, planting dates, and pest hosts. A corn-soybean rotation may be expanded with wheat, a forage, or an additional cover-crop window where markets and climate permit. The best sequence reduces a documented risk without creating an unprofitable crop or an unmanageable workload.

A vegetable rotation requires the same attention to crop families and pest history. Moving a related crop into the same bed may not interrupt a shared disease or insect problem. Plan the sequence across several seasons and account for nutrient needs, harvest traffic, and the time available to establish protective vegetation.

Reduce disturbance while protecting crop establishment

Reduced disturbance does not require every field to move immediately to continuous no-till. Strip-till, fewer passes, shallower operations, controlled traffic, and no-till are different tools. The choice depends on soil texture, drainage, spring conditions, residue distribution, compaction, weeds, and the planter’s ability to place seed consistently.

Evaluate fuel and labor savings alongside equipment adjustments and residue-management needs. A system that conserves soil but repeatedly compromises establishment needs further adjustment. Minnesota Extension’s guidance on reducing tillage intensity describes both benefits and operational challenges.

Recycle nutrients with a complete nutrient budget

Nutrient-efficient management starts with representative soil testing, realistic yield goals, manure or compost analysis, legume credits, and application timing that matches crop uptake. Recycling does not mean applying every available organic material. The NRCS Nutrient Management standard and state-specific resources provide a framework for coordinating nutrient sources and protecting water quality.

Account for phosphorus accumulation, nutrient availability, salts, handling costs, and potential contamination. Harvested crops and sold livestock remove nutrients from the farm, so a recycling system is not necessarily a completely closed nutrient loop. Reducing waste and unnecessary purchases still requires replacing genuine nutrient deficits.

Biochar is an optional amendment, not a defining requirement of agroecology. Its suitability depends on the product and soil: some materials can raise pH or introduce salts, and nitrogen availability may need attention. USDA Climate Hubs’ biochar guidance supports evaluating these characteristics before committing to a larger application.

Combine habitat management with pest monitoring

Pollinators and natural enemies perform different services. Bees may support fruit or seed production in crops that depend on insect pollination, while predators and parasitoids can suppress particular pests. Flowering vegetation may support both groups, but its presence does not prove that pest damage is under control.

Integrated pest management combines prevention, accurate identification, monitoring, action thresholds, and appropriate controls. The EPA’s IPM framework allows carefully selected pesticide interventions when justified; it does not require growers to accept avoidable economic damage.

Reducing dependence on purchased inputs is an agroecological goal, but agroecology is not a single U.S. pesticide-use standard. Follow applicable labels and any certification or buyer requirements. Protecting beneficial organisms should be part of the decision, along with whether the intervention is likely to solve the identified problem.

Integrate livestock only when the system can support them

Livestock can convert suitable forage into saleable products and return nutrients through manure. That opportunity depends on feed quality, animal health, fencing, water access, labor, and ground conditions. Adding animals to a crop farm also adds a management enterprise, not just a nutrient-cycling function.

Plan grazing around forage availability and plant recovery rather than a rigid moving schedule. Maintain suitable residual vegetation and protect sensitive areas, consistent with the NRCS Grazing Management standard. Keep animals off saturated fields when their movement would damage soil structure.

For crop-livestock integration, confirm that the intended forage is appropriate for the animals and compatible with previous crop-protection treatments. Coordinate entry, exit, and termination with the next crop. More detail on arranging these enterprises is available in our guide to integrated farming systems.

Place trees and buffers where they solve a defined problem

Windbreaks, riparian forest buffers, alley cropping, forest farming, and silvopasture serve different purposes. Their value comes from deliberate placement and management, as described in USDA Climate Hubs’ overview of agroforestry practices. A tree planting should have a clear production, habitat, shelter, or resource-protection objective.

Include shade, root competition, maintenance, harvest access, and delayed tree income in the design. Select species suited to the site and compatible with any livestock. Silvopasture requires active management of trees, forage, and animals; simply allowing animals into a wooded area does not establish a well-designed system.

Manage water from the root zone to the field boundary

Evaluate irrigation timing against soil moisture, crop development, rainfall, and the system’s application capacity. Soil cover and improved structure may help infiltration, but they do not remove the need to manage drainage, irrigation uniformity, or water availability. Increasing organic matter also does not produce the same water-storage change in every soil.

Map where water enters, crosses, and leaves the field. Buffers, protected waterways, and suitable vegetation may help address particular flow paths, while ponds or earthworks require appropriate design. Check local requirements and technical advice before altering drainage or constructing water-storage features.

Choosing Practices for Your Land and U.S. Climate

Before selecting a practice, map soil types, slopes, drainage, compacted zones, erosion, irrigation limits, pest history, and lower-performing areas. Add equipment access, livestock movement, available labor, and ownership or lease conditions. This connects the physical assessment with the resources needed to implement a change.

Place frequently visited activities where they are practical to manage. A compost area, livestock water point, or intensive vegetable block must be accessible when needed, not merely attractive on a farm diagram. Daily travel, wet-weather access, storage, and harvest movement can determine whether a design remains workable.

U.S. setting	Planning emphasis	Constraint to evaluate
Upper Midwest and Northeast	Fit protective cover into shorter establishment windows.	Winter survival, winterkill reliability, and spring field access.
Southeast	Use available growing windows and manage substantial plant growth.	Termination workload, intense rainfall, weeds, and pest pressure.
Great Plains	Coordinate rotations, residue retention, and flexible forage use.	Stored soil moisture and drought exposure.
Arid and semiarid West	Evaluate vegetation against a realistic water budget.	Irrigation allocation, salinity, and competition with the cash crop.
Orchards and vineyards	Manage vegetation between permanent crop rows.	Water competition, frost considerations, and harvest traffic.

A living cover can use water that the following crop needs. The NRCS Southwest conservation assessment identifies this trade-off in dry environments. Residue retention, a different planting window, or an earlier termination decision may better fit some fields than maintaining additional living vegetation.

These regional examples are screening considerations, not statewide prescriptions. Conditions vary within a county and even within a field. Use local recommendations to resolve species, planting dates, nutrient credits, and operational details before scaling a practice.

From Field Practices to Food Systems and Farmer Participation

Agroecology extends beyond the field because farming decisions depend on who has access to land, information, labor, finance, and markets. A technically promising practice can fail when its benefits arrive after a lease ends or when its extra workload falls on people who were excluded from planning.

Useful farm-level questions include:

• Knowledge: Are growers, workers, and advisers helping identify problems and evaluate solutions?
• Land access: Do lease terms support the proposed investment and clarify maintenance responsibilities?
• Working conditions: Does the plan account for safe work, realistic hours, and fair treatment?
• Markets: Is there a buyer for an additional crop, and can the farm meet delivery and quality requirements?
• Food needs: Does the production plan consider the preferences and access needs of the community it intends to serve?

Make knowledge exchange practical

Farmer field days and shared trials are most useful when participants compare methods as well as results. Record planting dates, weather, soil conditions, equipment, and costs so others can understand why a practice succeeded or failed. Local and Indigenous knowledge should be recognized and shared with the participation and consent of the people who hold it.

Evaluate market connections as carefully as field practices

A food hub, cooperative, community-supported agriculture program, or direct buyer may create opportunities for diversified production. Each also introduces requirements for packing, storage, transportation, coordination, and payment. A shorter supply chain does not automatically guarantee a better margin or lower environmental impact.

Value-added products need the same discipline. Processing surplus produce may create income, but ingredients, facilities, compliance, packaging, labor, and unsold inventory belong in the budget. Economic diversification works when the added activity is both manageable and financially justified.

Agroecology, Organic Agriculture, Regenerative Agriculture, and Permaculture

These approaches overlap, but they describe different things. Distinguishing them helps growers avoid assuming that a practice automatically qualifies a product for a particular label.

Approach	Main emphasis	Practical distinction
Agroecology	Ecological and social relationships across farms and food systems.	A framework for research, management, and collective action.
USDA organic	Regulated production, handling, and labeling requirements.	Using agroecological practices does not itself authorize use of the USDA Organic seal.
Regenerative agriculture	Commonly emphasizes soil improvement, biodiversity, and restoration.	Specific definitions, claims, and verification requirements vary by program.
Conservation agriculture	Commonly emphasizes limited soil disturbance, soil cover, and crop diversity.	Shares field-management practices with agroecology.
Permaculture	Design of interacting land-use and resource systems.	Can contribute design tools without replacing agronomic assessment.

The USDA National Organic Program regulations govern organic production and labeling. A farm can apply agroecological principles while operating under a different production system, and organic certification does not by itself demonstrate every ecological or social outcome discussed here.

For the field-management overlap, our guides to regenerative agriculture and conservation agriculture provide additional context. Evaluate the actual practices and evidence behind a claim rather than relying on the label alone.

Permaculture ideas such as arranging activities by frequency of use can improve layout planning. However, a proposed pond, tree system, nutrient loop, or planting combination still needs to fit the site. Design concepts do not eliminate water constraints, nutrient exports, engineering needs, or business costs.

A Practical Transition Plan for Your First Three Seasons

Begin with a defined resource concern and a measurable business objective. National guidance can help identify appropriate conservation tools, but implementation should use locally applicable specifications and advice. The NRCS conservation practice standards directory directs users toward state-specific resources.

Before the first season: establish the baseline

Choose a manageable field or block with representative conditions and reliable access. Document soil tests, recent yields, inputs, field operations, pest pressure, and labor bottlenecks. State what improvement would justify continuing the trial and what problem would trigger a change.

Use a comparable area under current management where practical. If conditions allow, repeat comparison strips across the field to reduce the influence of a single unusual location. Changing several practices simultaneously can be useful operationally, but it makes individual causes harder to identify.

First season: test one manageable change

Trial a compatible rotation adjustment, cover crop, nutrient-management improvement, or reduction in unnecessary disturbance. Confirm that equipment, seed, advice, and labor are available when needed. Record what actually happened, including deviations caused by weather.

Write an exit plan before beginning. Decide how an overwintering cover will be terminated, what happens if the soil is too wet for traffic, and how the next crop’s water and nutrient needs will be protected. A backup option is part of the system design.

Second season: correct the main limitation

Review the first season before adding complexity. Poor establishment may call for a different planting window; excessive spring biomass may require a different species or termination approach. Add a complementary practice only when its role is clear and the farm can manage it.

For example, a rotation change that creates a longer establishment window may make a cover crop more workable. A forage opportunity may support livestock integration where fencing and water are already available. These are possible combinations, not a required sequence.

Third season: expand what the evidence supports

Compare cumulative costs, crop performance, workload, and environmental observations. Expand practices that fit the farm and revise or discontinue those that do not. Three seasons can reveal important management lessons, but they may not establish a reliable long-term soil-carbon trend or capture every weather condition.

Pre-season checklist

• Confirm the target problem and how improvement will be measured.
• Check seed quality, species suitability, and establishment requirements.
• Review herbicide carryover and any grazing or harvest restrictions.
• Secure planting, termination, and monitoring capacity.
• Account for the next crop’s water and nutrient requirements.
• Confirm land access for the intended investment period.
• Clarify assistance-program requirements before committing expenditure.

Costs, Trade-Offs, and USDA Assistance

There is no single cost per acre for adopting agroecology. A rotation adjustment using existing equipment differs substantially from installing livestock water, establishing trees, or changing irrigation infrastructure. Separate recurring operating costs from capital investments and include the value of additional management time.

Use historical benchmarks carefully

SARE’s 2019 cover-crop cost baseline provides the following historical figures. They help identify budget categories, but they are not current supplier quotes and do not cover every situation.

Historical budget item	Cost per acre
Cover-crop seed	$10–$50
Seeding	$5–$18
Termination	$0–$10
Published subtotal range	$15–$78
Survey benchmark discussed for seed plus seeding	$37

The bulletin’s economic assumptions included situations in which a spring burndown application was already planned. Your incremental termination cost may differ. Replace historical figures with local seed, freight, fuel, labor, machinery, and custom-work estimates.

Compare added costs with actual gains

A useful partial budget compares added revenue and avoided costs against added costs and lost revenue. Include changes in cash-crop yield or quality, purchased feed, fertilizer, fuel, repairs, and labor. Keep incentive payments visible as a separate line so the underlying economics remain clear.

Do not assume that soil improvement guarantees a positive first-year return. A 2025 USDA Economic Research Service review found that reduced tillage can lower input costs, while short-term cover-crop returns were often negative without financial assistance. Outcomes vary with the production system, location, management, and time using the practice.

Test the budget under less favorable conditions as well as expected ones. Consider a delayed planting, an extra termination pass, a weaker market, or lower forage value. For trees and infrastructure, include establishment failures, maintenance, financing, and the delay before income begins.

Understand where USDA assistance fits

The Environmental Quality Incentives Program can provide technical and financial assistance for eligible conservation work. Contact NRCS early to discuss the resource concern, eligibility, ranking periods, specifications, and the sequence of approvals and implementation.

The Conservation Stewardship Program supports maintaining existing conservation and adding eligible activities or enhancements. Its requirements differ from a simple reimbursement for a single purchase. Evaluate the full commitment, including management and recordkeeping.

Program participation is not automatic because a farm describes its methods as agroecological. Availability and payment details depend on the applicable program and circumstances. Confirm the rules before assuming that an expenditure will receive support.

Avoid common financial and operational mistakes

• Buying complexity: More species or equipment do not automatically solve the limiting problem.
• Ignoring timing: An effective practice can fail when planting, grazing, or termination conflicts with another essential operation.
• Counting theoretical savings: Include fertilizer or pesticide savings only when the management change actually supports them.
• Overvaluing new markets: A potential premium is not revenue until the farm can secure and serve that market.
• Relying on temporary payments: Examine how the system performs when an incentive ends.

Measuring Results Without Overstating Benefits

Measurement keeps management focused on function instead of appearance. A diverse field may look promising while producing an unacceptable workload or cash-flow problem. Conversely, a modest change in timing or traffic may deliver a useful improvement without visibly transforming the landscape.

Use indicators that match the objective and repeat measurements consistently. The NRCS technical note on soil health testing explains the importance of context and appropriate interpretation; a single test result does not establish the condition or trajectory of an entire system.

Objective	Useful evidence	Interpretation caution
Protect the soil surface	Ground-cover observations and erosion photographs after comparable events	Rainfall intensity and antecedent conditions affect what is observed.
Improve soil function	Appropriate physical, chemical, and biological measurements	Keep sampling depth, season, location, and laboratory methods consistent.
Improve nutrient efficiency	Input quantities, nutrient credits, crop performance, and relevant tests	Lower application alone does not prove adequate nutrition or reduced losses.
Manage pest damage	Scouting records, interventions, crop damage, and marketable output	Count crop outcomes as well as insects or treatments.
Improve grazing performance	Forage availability, residual cover, recovery, and animal performance	A moving schedule alone does not demonstrate suitable stocking.
Improve business performance	Net returns, labor hours, cash flow, and recurring costs	Separate capital costs and temporary payments from ongoing performance.
Improve social outcomes	Worker feedback, participation, access, and agreement quality	A soil measurement cannot substitute for evidence about people.

Changes in ground cover, operations, or forage availability may be visible within a season. Soil organic matter and overall financial resilience usually require a longer record to interpret. Note unusual weather and avoid attributing every difference to the practice being tested.

Be equally precise when communicating results. Records showing that cover crops were planted demonstrate practice adoption; they do not, by themselves, prove a particular quantity of carbon storage, water savings, or pesticide reduction. Match public claims to the evidence actually collected.

FAQs About Agroecology

Conclusion: Build a System That Fits Your Farm

The most useful agroecology plan connects a clear problem with a suitable practice, then checks the consequences for crops, soil, water, animals, people, and finances. Begin with the land and resources you have, use the principles to guide decisions, and retain a practical way to measure results.

Protect what already works, test changes on manageable acreage, and expand when the evidence supports doing so. A coherent system comes from compatible decisions and continued learning, not from adopting the longest possible list of practices.

Sources & References

• FAO: What Is Agroecology?
• HLPE Report 14: Agroecological and Other Innovative Approaches for Sustainable Agriculture and Food Systems, 2019
• FAO: The 10 Elements of Agroecology
• Wezel and colleagues: Agroecological Principles and Elements and Their Implications for Transitioning to Sustainable Food Systems
• Altieri and Nicholls: Agroecology and the Search for a Truly Sustainable Agriculture, 2005
• USDA NRCS: Soil Health Management
• University of Minnesota Extension: Getting Started with Cover Crops
• University of Minnesota Extension: Reducing Tillage Intensity
• USDA NRCS: Nutrient Management, Conservation Practice Standard 590
• USDA Climate Hubs: Digging into Biochar
• U.S. EPA: Integrated Pest Management Principles
• USDA NRCS: Grazing Management, Conservation Practice Standard 528
• USDA Climate Hubs: Increase or Implement Agroforestry Practices
• USDA NRCS: Conservation Practices on Cultivated Cropland in the Southwest Production Region
• USDA Agricultural Marketing Service: Organic Regulations
• USDA NRCS: Conservation Practice Standards
• SARE: Creating a Baseline for Cover Crop Costs and Returns, 2019
• USDA Economic Research Service: Economic Outcomes of Soil Health and Conservation Practices on U.S. Cropland, 2025
• USDA NRCS: Environmental Quality Incentives Program
• USDA NRCS: Conservation Stewardship Program
• USDA NRCS: Soil Health Testing to Support Conservation Planning