00493nam a22001697a 4500008004100000020001400041040005500055080001400110245003900124260004700163300001500210650001700225653001700242653001600259700002500275700002300300230224b        |||||||| |||| 00| 0 eng d  a019854517  aNational Science LibrarycNational Science Library  a633.1bL7  aFood crops of the lowland tropics   aLondon: bOxford University  Press, c1977  axiv, 345p.  aAgriculture   aTuber crops   aIrrigation   aLeakey, C L A (Ed.)   aWills, J B ( Ed.)