00658nam a22001577a 4500008004100000040005500041080002200096245009700118260006800215300001000283650001300293653001700306942001200323999001700335952014800352230606b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 016:631/635bL7  aInternational bibliography on cropping systems 1975c/ International Rice Research Institute  aPhilippines: bInternational Rice Research Institute,    c1977  a239p.  aLanguage  aBibliography  2udccPR  c40105d40105  00102udc406R_016631635_L770960143aNSLbNSLcGF/Rk-22/C-9/R-2d1978-07-26l0oR 016:631/635 L7p87999r2023-06-06 00:00:00w1978-07-26yPR