Physical, chemical & Biological changes In Aerated & Unaerated still water ponds Following NPK & organic fertilizers
Varghese J.
Physical, chemical & Biological changes In Aerated & Unaerated still water ponds Following NPK & organic fertilizers - Mumbai C.I.F.E. 1988 - 64p., 29cms.
Physical, chemical & Biological changes In Aerated & Unaerated still water ponds Following NPK & organic fertilizers - Mumbai C.I.F.E. 1988 - 64p., 29cms.