Hand Book of Soil, Fertilizer and Manure
Gupta, P. K.
Hand Book of Soil, Fertilizer and Manure - 1 - Bikaner Botanica Agro Botanica 1999 - 431
0818716722
Agriculture and related technologies
Technology (Applied sciences)
Soil fertility
631.422 / G96H
Hand Book of Soil, Fertilizer and Manure - 1 - Bikaner Botanica Agro Botanica 1999 - 431
0818716722
Agriculture and related technologies
Technology (Applied sciences)
Soil fertility
631.422 / G96H