003590000a22001210004500060000800000082001600008245010900024260005100133260000900184300000800193310000900201650002700210  a100  a630.021 IND  aHandbook of agriculture: facts and figures for farmers,students and all engaged or interested in farming  aDelhi, Indian council of agricultural research  c1961  a748  aICAR  aAgriculture/crops/soil