Bacterial fertilizers
Tilak, K. V. B. R.
Bacterial fertilizers - New Delhi Indian Council of Agricultural Research 1991 - 66p.
Fertilisers
631.8:576.8 / TIL-B
Bacterial fertilizers - New Delhi Indian Council of Agricultural Research 1991 - 66p.
Fertilisers
631.8:576.8 / TIL-B