00476nam a22001697a 4500003000400000008004100004082001900045100001600064245010300080260003900183300001000222502001700232650001300249650002200262650001100284650001100295OSt260505b        |||||||| |||| 00| 0 eng d  a633.1047bA81S  aAshok Kumar  aStudies on the Compatibility of Varieties and Rates of NPK in Rice-Wheat System / cby Ashok Kumar  a.- Pusa, Samastipurb: RAUc, 1997  a156p.  bPh. D.d1997  aAgronomy  aRice-Wheat System  aThesis  aPh. D.