Production technology on bio-organic farm inputs /
Singh, K.A.
Production technology on bio-organic farm inputs. A.K.Singh. - Delhi: International Book Distributing Co, 1965. - x,184p.:
includes table of contents, references, appendices and index.
9788181892164
--1. Organic farming 2. Organic fertilizers 3. Farm supplies.
S671 / .46 1965.
Production technology on bio-organic farm inputs. A.K.Singh. - Delhi: International Book Distributing Co, 1965. - x,184p.:
includes table of contents, references, appendices and index.
9788181892164
--1. Organic farming 2. Organic fertilizers 3. Farm supplies.
S671 / .46 1965.