00546cam a2200169 a 4500 971104076X NIC 631 THE 1982 Report of a workshop on cropping systems research in Asia / Los Ba�nos, Philippines : The Institute, 1982. 756 p. : ill. ; 23 cm. Papers from the Cropping Systems Conference at IRRI, 3-7 March, 1980--Cf. Foreword. Cropping systems Rice International Rice Research Institute. AEDBB 11288 11288 0 0 0 631_000000000000000_THE_1982_A036_OR 0 58782 LBA LBA A036 2017-07-28 631 THE 1982 A036 Or. A20705 2017-07-28 2017-07-28 EK