A handbook of soil, fertilizer and manure
GUPTA, P. K.
A handbook of soil, fertilizer and manure - Joghpur : Agrobios. 2003 - xvi, 591p
81-7754-152-8
631.4
A handbook of soil, fertilizer and manure - Joghpur : Agrobios. 2003 - xvi, 591p
81-7754-152-8
631.4