00392nam a22001217a 4500008004100000040005500041080002100096245004400117260006100161300001700222650001500239653001600254230331b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 016:632.82bL8  aNPK in Indian agriculture (1971 - 1975)  aNew Delhi: bEuropean Nitrogen Service Programme, c1975  axxxii, 797p.  aManagement  aAgriculture