00685nam a2200193Ia 4500020001500000040000800015082002600023245008400049300004000133650002200173650001600195650001600211650002200227650002100249710004300270942001000313999001700323952015100340  a9711041146  cNUA  aPHI POT 1983 C077 Or.10aSymposium on Potential productivity of field crops under different environments  a526 pages :billustrations ;c23 cm 0aCrops and climate 0aField crops 0aCrop yields 0aSoil productivity 0aCropping systems2 aInternational Rice Research Institute.  cAEDBB  c21317d21317  0010406PHI_POT_1983_000000000000000_C077_OR70993265aLBCbLBCcC077d2023-05-12oPHI POT 1983 C077 Or.pa071450r2023-05-12w2023-05-12yAEDBB