Agroecology Knowledge Hub

Efficiency : innovative agroecological practices produce more using less external resources

Increased resource-use efficiency is an emergent property of agroecological systems that carefully plan and manage diversity to create synergies between different system components. For example, a key efficiency challenge is that less than 50 percent of nitrogen fertilizer added globally to cropland is converted into harvested products and the rest is lost to the environment causing major environmental problems.

Agroecological systems improve the use of natural resources, especially those that are abundant and free, such as solar radiation, atmospheric carbon and nitrogen. By enhancing biological processes and recycling biomass, nutrients and water, producers are able to use fewer external resources, reducing costs and the negative environmental impacts of their use. Ultimately, reducing dependency on external resources empowers producers by increasing their autonomy and resilience to natural or economic shocks.

One way to measure the efficiency of integrated systems is by using Land Equivalent Ratios (LER). LER compares the yields from growing two or more components (e.g. crops, trees, animals) together with yields from growing the same components in monocultures. Integrated agroecological systems frequently demonstrate higher LERs.

Agroecology thus promotes agricultural systems with the necessary biological, socio-economic and institutional diversity and alignment in time and space to support greater efficiency.

Database

Agroecology Newsletter of September 2022
Newsletter
2022
In this episode of the Regenerative Agriculture Podcast, John Kempf interviewed Ray Archuleta, an outspoken proponent of healthy soil systems. The podcast describes how new science and technology have identified many examples of collaboration in agroecology. The speaker provides examples of research that illustrate fields with a diversity of species...
Audio
2020
This study, in collaboration with the Food and Land Use Coalition (FOLU), provides an overview of the current state of sustainable agriculture practices and systems (SAPSs) in India. It aims to help policymakers, administrators, philanthropists, and others contribute to an evidence-based scale-up of SAPSs, which represent a vital alternative to...
India
Report
2021
The Training Centre for Sustainable Family Farming (CCAFS for its acronym in Portuguese) offers training to train instructors in agroecology in the Community of Portuguese-speaking Countries (CPLP). It aims at professionals with experience in ​​food, organic, or, preferably, agroecological production. The training aims to update and deepen knowledge in agroecology,...
Learning
2021
The commune of Ghassate, in the province of Ouarzazate, is involved in the agricultural transition of many farming families. The adoption and dissemination of agroecology practices have secured and developed agricultural activities that had been undermined by a very difficult geographical context. In market gardening, fruit growing, and animal husbandry, the families...
Morocco
Innovation
2021