00461nam a2200169Ia 4500008004100000020001500041082001600056100001600072245005000088260006000138300000800198650002300206650001800229653001000247653001500257653001900272170901s1991    xx            000 0 und d  a8185304580  a581.1bT95P  aTyagi, D.N. 0aPhysiological Strategies for Crop Improvement  aVaranasibThe Indian Society for Plant Physiologyc1991  a336  aBotanical sciences  aPure Sciences  aCrops  aPhysiology  aPlant breeding