N and P agronomic efficiency, apparent recovery, partial factor productivity, partial nutrient balance, in Ouri-Yori (North of Benin), 2014-2015
Nutrient use efficiency of maize, sorghum, and cotton on farmer- and researcher-managed fields.
Nutrient use efficiency of maize, sorghum, and cotton on farmer- and researcher-managed fields.
L'adaptation au changement climatique (ACC) est devenue un nouveau paradigme de la politique de développement. Mais comme l'adaptation s'est avérée moins tangible que l'atténuation, des controverses sur le sens et la mise en œuvre ont surgi...
Includes perennial lakes and streams, estuaries, lagoons, unsurveyed perennial streams, reservoirs, and navigable canalsnonperennial and seasonally, fluctuating lakes and streams, wadis, sabkhas, and abandoned navigable canals.