00296nam a22001097a 4500003000400000008004100004082002100045100002800066245006200094260002200156300000800178OSt240717b        |||||||| |||| 00| 0 eng d  a633.109542bB20R  aInst of Ag Sci Varanasi  aRice Wheat Cropping system in Varanasi district  UP India  aInst Ag Scic1996  a104