Library Resource
Articles et Livres
décembre, 2014
Sénégal, Mauritanie, Mali, Burkina Faso, Algérie, Niger, Nigéria, Tchad, Soudan, Soudan du Sud, Érythrée, Cameroun, République centrafricaine, Éthiopie, Afrique, Afrique sub-saharienne, Afrique centrale, Afrique orientale, Afrique septentrionale, Afrique australe, Afrique occidentale
In Africa, where most agriculture is rainfed, crop growth is limited by water availability. Rainfall variability during a growing season generally translates into variability in crop production. While the seasonality of rainfall in the drier rangelands can play a significant role in productivity, rain-use efficiency (RUE)—the amount of biomass produced (in kilograms of dry matter per hectare) per millimeter of rainfall—also drives production.