00492     2200181   4500001002100000035002000021245006500041100002500106260004100131300002700172020001800199084001500217082001500232650002800247650001700275990000900292990000900301INLIS000000000003595  a0010-0121001961  aIntensified Systems of Farming in The Tropics and Subtropics  aJ.A. Nicholas Wallis  aWashington, DCbThe World Bankc1997  axii, 203p,cill, 28 cm  a0-8213-3944-3  aWB. 631.58  aWB. 631.58  aTROPICS INTENSIFICATION  aSRY FARMING.  a4847  a4847