Growth, nodulation and nitrogen fixation of cowpea in soils amended with composted tannery sludge

by Joseany Andrade Santos, Luís Alfredo Pinheiro Leal Nunes, Wanderley José de Melo, Marcia Barreto do Vale Figueiredo, Rajeev Pratap Singh, Antônio Aécio Carvalho Bezerra, Ademir Sérgio Ferreira de Araújo
Published 2011-12-01