机译:Microbial biomass turnover and enzyme activities following the application of farmyard manure to field soils with and without previous long-term applications
机译:Characterization of the N benefit of a grain legume (Lupinus angustifoliusL.) to a cereal (Hordeum vulgareL.) by an in situ15N isotope dilution technique
机译:Nitrogen-supplying capacity of leaves ofDactyladenia barteri(Hook ex olw) andLeucaena leucocephala(Lam.) de Wit in two soils of different acidity from southern nigeria