668.63
F411F
           Tandon, H L S (Ed.)
               Fertilisers, organic manures, recycable wastes and biofertilisers Components of integrated plant nutrition \ H L S Tandon - New Delhi : F D C O, 1992.
               147p.
                ISBN: 81-85116-17-2

130785
                Subjects: Biofertilizers; Plants nutrition.