00338nam a2200097Ia 4500008004100000082001600041100000900057245014100066260002600207300000700233140113s9999    xx            000 0 und d  a631.67   K6  aICAR  aReport of the working group for the formulation of fourth five year plan proposals on soil & water management under irrigated conditions  a1966bICARcNew Delhi  a96