The conversion of biologically rich areas into agricultural land undermines the capacity of these lands to sustain and maintain vital ecosystem functions. This is mostly the case when the conversion includes the simplification to a monoculture system such as that of oil palm. Oil palm grows best...

Global hunger, malnutrition, and poverty have declined over the past decades, but a situation of food and nutrition security for all is yet to be achieved, and extreme poverty is still widespread. Around 800 million people globally are still chronically undernourished, about 2 billion people...

Integrated Soil Fertility Management (ISFM) is widely promoted to enhance soil fertility, yields and livelihoods among smallholders, and ultimately combat environmental degradation. Its core is the combined use of organic and inorganic fertilizers with improved crop varieties. Yet, farmers face...

Integrated Soil Fertility Management (ISFM) is a technology package consisting of the joint use of improved seeds, organic and inorganic fertilizers. It is increasingly promoted to enhance soil fertility, crop productivity and income of smallholder farmers. While studies find positive effects of...

We analyze how agricultural extension can be made more effective in terms of increasing smallholder farmers' adoption of pro-nutrition technologies, such as biofortified crops. In a randomized controlled trial with farmers in Western Kenya, we implemented several extension treatments and...