Input subsidy programs (ISPs) remain one of the most contentiously debated development
issues in sub-Saharan Africa (SSA). After ISPs were phased out during the 1980s and …

Input subsidy programs have once again become a major plank of agricultural development
strategies in Africa. Ten African governments spend roughly US $1 billion annually on input …

Evidence assembled in this special issue of Food Policy shows that rising rural population
densities in parts of Africa are profoundly affecting farming systems and the region's …

Yield gaps are pervasive in African smallholder agriculture, and are large for almost all
crops in all regions. There is consensus that poor soil fertility and nutrient availability are the …

African farming systems are highly heterogeneous: between agroecological and
socioeconomic environments, in the wide variability in farmers' resource endowments and in …

In arable farming systems, the term 'subsoil'refers to the soil beneath the tilled or formerly
tilled soil horizon whereas the latter one is denoted as 'topsoil'. To date, most agronomic and …

In the highlands of Western Kenya, we investigated the reversibility of soil productivity
decline with increasing length of continuous maize cultivation over 100 years …

Widespread implementation of conservation agriculture (CA) in North and South America
and Australia suggests significant farmer profitability achieved through some combination of …

Reconfiguration of farming systems to reach various productive and environmental
objectives while meeting farm and policy constraints is complicated by the large array of …

Maize/annual grain legume intercrop** is pivotal in achieving sustainable intensification
in develo** countries like China and some African countries. It remains unclear whether …