Use of organic materials as fertilisers : a country report on India
Vidhyarthy, G.S. ; Misra, R.V.
Use of organic materials as fertilisers : a country report on India - New Delhi Ministry of Agriculture & Irrigation 1976 - 34p.
Use of organic materials as fertilisers : a country report on India - New Delhi Ministry of Agriculture & Irrigation 1976 - 34p.