00274nam a2200109Ia 450000500170000000800410001708200120005810000170007024500280008726000410011530000080015620260224040811.0260224s9999||||xx |||||||||||||| ||und||  a633 RED  aReddy, S.R.  0aAgronomy of field crops  aLudhiana : Kalyani Publicationc2006  a698