00502nam a2200181Ia 4500008004100000020001500041082001600056100002000072245004000092250000600132260003300138300000800171650004100179650003400220653003700254653001100291700001800302170901s1999    xx            000 0 und d  a8171695485  a632.1bD38E  aDhaliwal, G. S. 0aEnvironmental Stress in Crop Plants  a1  aLudhianabCommonwealthc1999  a315  aAgriculture and related technologies  aTechnology (Applied sciences)  aEnvironmentally induced diseases  aPlants  aArora, Ramesh