Soil, Plant, Water and Fertilizer Analysis
Gupta, P. K,
Soil, Plant, Water and Fertilizer Analysis Textual Documents P. K. Gupta - Bikaner: Agro-Botanica Publishers & Distributors, 1999. - 438.
8187167254
Fertilizers
631.8
Soil, Plant, Water and Fertilizer Analysis Textual Documents P. K. Gupta - Bikaner: Agro-Botanica Publishers & Distributors, 1999. - 438.
8187167254
Fertilizers
631.8