00430nam a22001215a 4500020001800000040000800018082002600026245008500052260007800137300003300215700001700248710004300265  a9789712202476  cDLC  a631 INT 2009 A039 Or.00aIntegrated crop and resource management in the rice-wheat system of South Asia /  aMakati City, Philippines :bInternational Rice Research Institute,c2009.  avi, 395 p. :bill. ;c23 cm.1 aLadha, J. K.2 aInternational Rice Research Institute.