Search Results - "Cerrado"

Avaliaçao agronômica de acessos de Brachiaria spp. no Cerrado Sul-Mato-Grossense by Valle, Cacilda Borges do, Calixto, S, Amézquita, María Cristina, Curvo, J.B.E.

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Impactos técnico-económicos de Andropogon gayanus en los Cerrados de Brasil by Sáez, R.R., Andrade, R. de

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Introducción y evaluación de leguminosas forrajeras arbustivas en el Cerrado brasileño by Pizarro, Esteban A., Carvalho, Marcelo Ayres, Ramos, Allan Kardec Braga

“…Between 1991 and 1995, 10 genera and 88 accessions of shrub species were evaluated in the Brazilian Cerrados. The total cumulative DM production of these species during the first year of growth ranged between 0.5 t/ha for Cratylia argentea CIAT 18516 and 2.5 t/ha for Mimosa sp. …”
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Diversity of arbuscular mycorrhizal fungi in the Brazilian's Cerrado and in soybean under conservation and conventional tillage by Pontes, J.S., Oehl, F., Pereira, C.D., Machado, C.T., Coyne, Danny L., Silva, D.K. da, Maia, L.C.

“…The Cerrado is the largest savanna biome in the Neotropics and considered a major hotspot for world biodiversity. …”
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Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian cerrados by Westerhof, R, Buurman, P, Griethuysen, C. van, Ayarza, Miguel Angel, Vilela, Lourival, Zech, W.

“…In the Cerrados, a large savanna region in Brazil, the effects of different land use on aggregation in Oxisols were studied, using laser diffraction grain-size analyses. …”
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Land use effects on labile N extracted with permanganate and the nitrogen management index in the Cerrado region of Brazil by Westerhof, R, Vilela, Lourival, Ayarza, Miguel Angel, Zech, W.

“…Although soybeans had a dominant role in the continuous cropping systems studied, the total N contents of these systems were lower than those of the natural Cerrado. The availability of N under legume-based pastures and legume-based pasture-crop rotations was higher than under the natural Cerrado and the continuous cropping systems.…”
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Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados by Renz, TE, Neufeldt, Henry, Ayarza, Miguel Angel, Silva, J.E. da, Zech, W.

“…Plant production in the Brazilian savannas, also known as the Cerrados, is limited mainly by low P availability. …”
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Microbial biomass, microbial activity, and carbon pools under different land-use systems in the Brazilian cerrados by Renz, TE, Neufeldt, Henry, Ayarza, Miguel Angel, Resck, DVS, Zech, W.

“…In the Brazilian savannas, or Cerrados the rapid advance in agriculture and cattle ranching is affecting soils through, for example, accelerated erosion and depletion of soil organic matter (SOM). …”
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Heterogeneity in arbuscular mycorrhizal fungi and plant communities of the Brazilian Cerrado, transitional areas toward the Caatinga, and the Atlantic forest by de Pontes, J.S., Oehl, F., Pereira, C.D., de Toledo Machado, C.T., Coyne, D., da Silva, D.K.A., Maia, L.C.

“…The Cerrado is the most diverse tropical savanna worldwide and the second-largest biome in South America. …”
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Clasificación de áreas y levantamiento de mapas para la región de Cerrados del Brasil by Jones, Peter G., Rincón, M.E., Clavijo, L.A.

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A New Species of Mimosa L. ser. Bipinnatae DC. (Leguminosae) from the Cerrado: Taxonomic and Phylogenetic Insights by Morales, Matias, Fortunato, Renee Hersilia, Simon, Marcelo Fragomeni

Subjects: “…Cerrado, Brasil…”
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Problemas de fertilización en el Capo Cerrado de la parte central oriental de Brasil by Hardy, Frederick

“…The climatic conditions in the Campo Cenado of cast-central Brazil fator the grouth of Evergreen Moist Forest but the present-day regetation comprises shrub-grass savanna consequent on forest felling and burning which preceeded agricultural exploitation and the loss of surface soil by erosion. The Campo Cerrado soil is alas-sed as Red and Reddish-Brown Latosol or av a neu group, Rubrozem, having vela-tionship with Reddish-Yellou Podzolic soil The soil bas lou organic matter and nitrogen contents Its reaction value is generally belou pH 50 Exchangeable calcium is particularly low and also certain minor nutrient elements, notably sulphur, zinc and molybdenum Phosphate is the most deficient available nutrient of all Pot-tests gave results in accord with those of chemical soil analysis Fertilizes field experiments gate results in accord whith those of the pot-tests, they showed response to sulpbm and to zinc among the minos elements, but particularly to phosphate They also showed response to dolomitic limestone In order to resuscitate the Campo Cerrado soils cheaply and rapidly, minimal amounts of ground rock phosphate, dolomitic limestone, gypsum and a minor element mixture, preferably chelates, should be applied. …”
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Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados by Lilienfein, J, Wilcke, W., Neufeldt, Henry, Ayarza, Miguel Angel, Zech, W.

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Efeito de sistemas de pastejo sobre a produtividade de pastagens consorciadas nos Cerrados do Brasil by Leite, GG, Spain, James M., Vilela, Lourival, Gomide, CCC, Rocha, C.M.C. da

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Parámetros para el manejo adaptativo de zonas de amortiguamiento en parques nacionales del Cerrado, Brasil by Vilhena, Flavia

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Long-term effects of continuous direct seeding mulch-based cropping systems on soil nitrogen supply in the Cerrado region of Brazil by Maltas, A, Corbeels, Marc, Scopel, E., Oliver, R., Douzet, Jean-Marie, Silva, F.A.M. da, Wery, Jacques

“…In the Cerrado region of Brazil conventional soybean monoculture is since the 1980s being replaced by direct seeding mulch-based cropping (DMC) with two crops per year and absence of tillage practices. …”
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Sistemas agropastoriles en las sabanas de América Tropical: lecciones del desarrollo agrícola de los Cerrados de Brasil by Lopes, A., Ayarza, Miguel Angel, Thomas, Richard J.

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Soil organic carbon, carbohydrates, amino sugars, and potentially mineralizable nitrogen under different land-use systems in oxisols of the Brazilian cerrados by Fuhrmann, S, Neudelft, H, Westerhof, R, Ayarza, Miguel Angel, Silva, J.E. da, Zech, W.

Subjects: “…cerrados…”
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Impacts of Land-use Change on Carbon Stocks and Dynamics in Central-southern South American Biomes: Cerrado, Atlantic Forest and Southern Grasslands by Coutinho, Heitor L.C., Noellemeyer, E., Carvalho Balieiro, Fabiano de, Piñeiro, G., Fidalgo, Elaine C.C., Martius, C., Figueira da Silva, Cristiane

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Parámetros para la delimitación y manejo adaptativo de zonas de amortiguamiento en parques nacionales del Cerrado, Brasil by Vilhena, F., Finegan, Bryan, Velásquez, Sergio, FranMa, B.C.

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