631.5
A27P
           Aiyer, A K Yegna Narayan
               Principles of crop husbandry in India \ A K Yegna Narayan Aiyer - Bangalore : Bangalore Press, 1948.
               xxii, 475p.
2210
                Subjects: Soil conservation-India; Tillage-India; Drainage-India; Soil moisture-India.