1. Fertilizer recommendations agricultural and horticultural crops
Author:
Library: Central Library of Agricultural (Tehran)
Subject: $AFertilizers,$ASoil fertility,$AManures,$ACrops -- Nutrition
Classification :
S
633
.
F4
2. Soil fertility and fertilizers
Author: Tisdale, Samuel L.
Library: Central Library of Agricultural (Tehran)
Subject: $ASoil fertility,$AFertilizers,$ACrops -- Nutrition
Classification :
S
633
.
T66
1975
