00798nam a2200205 a 450000100060000000800420000604000240004808200190007210000230009124501310011425000120024526000780025730000390033565000260037465000360040065000330043665000210046971000610049071000410055111543130711s1991    it ab    b     000 0 eng d  aBD-DhAALcBD-DhAAL.00a338.1/09132191 aWarner, Katherine.10aShifting cultivators :blocal technical knowledge and natural resource management in the humid tropics /cby Katherine Warner.  a4th ed.  aRome :b Food and Agriculture Organization of the United Nations,cc1991.  axiii, 80 p. :bill., map ;c30 cm. 0aAgriculturezTropics. 0a Shifting cultivationzTropics. 0a Natural resourceszTropics. 0aCrop production.2 aFood and Agriculture Organization of the United Nations.2 a Forests, Trees and People (Program)