00330nam a22000977a 4500008004100000022001400041040005500055245005400110260005200164310001600216230420b        |||||||| |||| 00| 0 eng d  a0971-1724  aNational Science LibrarycNational Science Library  aJournal of research Birsa agricultural university  aRanchi: bBirsa Agricultural University, c1989  aHalf-yearly