na INLIS000000000001092 20260706090528 0010-1021001092 260706 0 Symposium on : Potential Productivity of Field Crops Under Differet Environmets / - #NAME? Las Banas : IRRI, 1983 526 p. : ill. ; 29 cm 633 #NA s 633 PRODUCTIVITY ENVIRONMENTS FIELD CROPS. 12/BPT-C/1997