TY - BOOK ED - FAO TI - Land quality indicators and their use in sustainable agriculture and rural development: proceedings T2 - Boletín de tierras y aguas SN - 9251039755 SN - 1024-6703 U1 - 631.4 PY - 1997/// CY - Rome PB - FAO KW - Agricultura sustentable KW - Desarrollo rural KW - Indicadores biológicos ER -