00285nam a2200097Ia 4500008004100000082001500041100002600056245007100082260002600153300000800179140113s9999    xx            000 0 und d  a631.82  J9  a"Raychaudhury, S.P. "  aUse of artificial fertilizers in India :ICAR technical bull. No.13  a1959bICARcNew Delhi  a142