Sustainable Land Management for the Oxisols of the Latin American Savannas: Dynamics of Soil Organic Matter and Indicators of Soil QualityRichard James Thomas, Miguel A. Ayarza CIAT, 1999 - 231 páginas The book describes studies of the dynamics of soil organic matter and physical processes in different agricultural systems currently operating in the savannas of Latin America, principally the Brazilian Cerrados. These studies included the identification of indicators of soil degradation and improvement. |
Términos y frases comunes
acid agricultural Agropecuária dos Cerrados amino sugars Anionic Acrustox Arachis pintoi Araguari River atrazine Ayarza Bayreuth Bayreuth University biocides biomass Brasileira de Pesquisa Brazil Brazilian Cerrados Brazilian savannas bulk soil central Brazil Cerrados Cerrados CPAC chemical CIAT clay fraction clayey soils concentrations contents continuous cropping correlation CPAC degraded pasture dimethyl sulfoxide dynamics effects EMBRAPA Empresa Brasileira Eucalyptus extraction fertilizer Guggenberger higher increased indicate kg/ha labile land legumes lignin liming loamy Oxisols loamy soil macroaggregates maize microbial activity microbial biomass Mineirão mineralizable mineralization native savanna NCPs nitrogen nutrient oxidation Oxisols particle particle-size separates PC F2 permanganate Pesquisa Agropecuária EMBRAPA phosphatase activity phosphorus pine pintoi Planaltina plant polysaccharides ratio rotations sand fractions silt Soil Biol Biochem soil organic carbon soil organic matter soil samples Soil Sci Soc stable Stylosanthes guianensis Table Tiessen tillage tropical Typic Haplustox Uberlândia VSC-lignin WEOC Zech