Manual técnico conservación suelo y agua
mag(2009)
关键词
forest ecology,crop rotation,forest management,soil analysis,soil management,reclamation,forests,minimum tillage,infiltration,biodiversity,scrub,cost benefit analysis,pruning,leaching,watershed management,ethnic groups,selection,hedges,water conservation,organic matter,erosion,linear programming,winds,agriculture,drainage,soil fertility,wildlife,indigenous knowledge,land use,tillage,mechanization,afforestation,conservation tillage,soil conservation,reforestation,chine,food security,runoff,windbreaks,amazonia,soil texture,natural resources,agroecosystems,agroforestry,fire ecology,green manures,irrigation,sustainability
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