CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR-ICRAF publie chaque année plus de 750 publications sur l’agroforesterie, les forêts et le changement climatique, la restauration des paysages, les droits, la politique forestière et bien d’autres sujets encore, et ce dans plusieurs langues. .

CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Nutrient use efficiency in agroforestry systems

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Agroforestry can contribute to the solution of a number of problems in the nutrient balance of agro-ecosystems. Tree products with a high economic value per unit nutrient content can reduce the risk of mining the soil without financial possibilities for obtaining external inputs. Trees may also reduce nutrient losses from agro-ecosytems and this contribute to long term productivity and input use efficiency.A general approach is given to optimizing agroforestry systems on the basis of tree-soil0crop interactions. Nutrient sources for tree growth can be complementary to those of crops (nutrient pumps and safety nets) or to be the same, leading to competition. Soil fertility improvement through the litter and pruning depends on the quantity, quality, timing and placement. Soil fertility improvement can be most clearly studied in sequential ago-forestry systems. On sloping lands trees can contribute to erosion control, but especially to local deposition of sediment.

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