00495nam a2200181Ia 4500008004100000020001500041082001400056100001900070245004500089250000600134260004000140300000800180650004100188650003400229653001200263653001900275700001900294170901s2004    xx            000 0 und d  a8127219819  a632bY-2E  aYazadni, S. S. 0aEssentials of Scientific Crop Protection  a1  aNew DelhibKalyani Publishersc2004  a450  aAgriculture and related technologies  aTechnology (Applied sciences)  aControl  aPlant diseases  aAgarwal, M. L.