00319nam a2200097Ia 4500008004100000082003100041100003400072245008100106260002600187300000800213140113s9999    xx            000 0 und d  a631.67.03(545.5)(047)   L6  a"Paliwal, K.V. & Yadav, B.R."  aIrrigation water quality and crop management in the union territory of Delhi  a1976bICARcNew Delhi  a166