Selected papers from the 1978 international rice research conference text ph Manilla, Philippines IRRI International rice research institute. c1979 monographic eng

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341 p. : ill, ; 22 cm. Includes references. Environmental characterization requirements Strategic research in rice Rainfed lowland rice 633.18 RAI BD-DhSAU 141125 20150502164013.0 BD-DhSAU 6180