00481nam a22001697a 4500003000400000008004100004082001700045100002700062245011200089260003900201300001000240502001700250650001300267650000900280650001100289650001100300OSt260505b        |||||||| |||| 00| 0 eng d  a633.18bD97S  aDwivedi, Pravin Kumar.  aStudies on Cropping System Involving Rice and Moongbean in Deep Water Ecosystem / cby Pravin Kumar Dwivedi  a.- Pusa, Samastipurb: RAUc, 1997  a129p.  bPh. D.d1997  aAgronomy  aRice  aThesis  aPh. D.