By Cassman K.G.   Gines G.C.   Dizon M.A.   Samson M.I.   Alcantara J.M.   in Field Crops Research

ISSN:0378-4290|47|1|1-12

Elsevier‎(1996)‎

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By Witt C.   Cassman K.G.   Olk D.C.   Biker U.   Liboon S.P.   Samson M.I.   Ottow J.C.G.   in Plant and Soil

ISSN:0032-079X|225|1-2|263-278

Springer Publishing Company ‎(2000)‎

Access to resources Favorite 7.3134494