002860000a22001210004500060000800000082001700008100002000025245002700045260002700072260000900099300000800108650004800116  a100  a631. 702 VIR  aViraraghavan, E  aHandbook of irrigation  aAllahabad, Kitab mahal  c1959  a365  aIrrigation/ Water logging/ Soil cultivation