has subject area clarisaRegion-11 Africa West Africa crop residues cropping systems dry farming drylands fertility inorganic fertilizers organic fertilizers restoration socioeconomic environment soil soil amendments soil fertility yields
keywords abonos inorgÁnicos abonos orgÁnicos africa crop residues cropping systems cultivo en tierras Áridas dry farming enmiendas del suelo entorno socioeconÓmico fertilidad del suelo inorganic fertilizers organic fertilizers rendimiento residuos de cosechas sistemas de cultivo socioeconomic environment soil amendments soil fertility yields
