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Multifunctional Agriculture by Roger Leakey

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Section 8. Sustainable Intensification of Tropical Agriculture

Despite all the good news presented so far, the reality is that the progress to date barely scratches the surface of the global problems. Over 35% of farm land worldwide (around 2 billion hectares) can be categorized as degraded and nearly 50% of the population (about 3 billion people) live on less than US$2 per day. These problems are essentially ones found in the tropics and subtropics, especially in Africa. Analysis of the factors leading to these and their associated problems of food insecurity and malnutrition, low crop yields, loss of biodiversity, and agroecological dysfunction identifies a downward spiral of land degradation and social deprivation which create a large gap ...

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