Navegando por Autor VLEK, P. L. G.

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Ano de publicaçãoTítuloAutor(es)
2000Enriquecimento de capoeira com árvores leguminosas contribuindo para o acumulo de biomassa na agricultura familiar do nordeste do Pará, Brasil.BRIENZA JUNIOR, S.; COSTA, V. de O.; SANTOS, W. E. S.; PANTOJA, R. de F. R.; SÁ, T. D. de A.; VIELHAVER, K.; DENICH, M.; VLEK, P. L. G.
2002Field estimation of biological N-fixation by five tropical tree species using two N isotope dilution methods.PAPARCIKOVA, K.; BRIENZA JUNIOR, S.; KATO, O. R.; VLEK, P. L. G.
1998Fire-free alternatives to slash-and-burn for shifting cultivation of the eastern amazon. 2. Selection of adapted cultivars.KATO, O. R.; KATO, M. do S. A.; PARRY, M. M.; DENICH, M.; VLEK, P. L. G.
2001Land-use in a mulch based farming system of small holders of the eastern Amazon.VIELHAUER, K.; DENICH, M.; SÁ, T. D. de A.; KATO, O. R.; KATO, M. do S. A.; BRIENZA JUNIOR, S.; VLEK, P. L. G.
2001Land-use in a mulch-based farming system of small holders in the eastern Amazon.VIELHAUER, K.; DENICH, M.; SÁ, T. D. de A.; KATO, O. R.; KATO, M. do S. A.; BRIENZA JUNIOR, S.; VLEK, P. L. G.
2002Litterfall and litter in enriched fallow with fast growing trees in the eastern Amazon of Brazil.BRIENZA JUNIOR, S.; DENICH, M.; FOLSTER, H.; VLEK, P. L. G.
2002Management of soil organic matter in small-scale farmers cropping systems: possibilities and limitations.KATO, O. R.; KATO, M. do S.; VIELHAUER, K.; VLEK, P. L. G.
2004Mechanized land preparation in forest-based fallow systems: the experience from eastern Amazonia.DENICH, M.; VIELHAUER, K.; KATO, M. do S. A.; BLOCK, A.; KATO, O. R.; SÁ, T. D. de A.; LÜCKE, W.; VLEK, P. L. G.
2002Phosphorus availability in a mulch system in eastern Amazonia.KATO, M. do S. A.; KATO, O. R.; DENICH, M.; VLEK, P. L. G.
2000A research concept for the development of alternatives to slash-and-burn agriculture in the Eastern Amazon region.DENICH, M.; VLEK, P. L. G.; SÁ, T. D. A.; VIELHAUER, K.; LUCKE, W.
2000Slash and mulch to reduce nutrient losses in shifting cultivation in the Eastern Amazon.SOMMER, R.; VLEK, P. L. G.; FOLSTER, H.; SÁ, T. D. de A.
1998Soil water extraction through secondary vegetation during the dry season in 1997 in eastern Amazonia.SOMMER, R.; CARVALHO, E. J. M.; VLEK, P. L. G.; FÖLSTER, H.
2000The influence of phosphorus fertilizer on maize yield under conditions of slash-and-mulch in Eastern Amazonia.KATO, O. R.; KATO, M. do S. A.; VIELHAUER, K.; VLEK, P. L. G.
2004Viability of mechanized chop-and-mulch as a soil improving alternative to manual slash-and-burn land preparation.VIELHAUER, K.; DENICH, M.; KATO, O. R.; KATO, M. do S.; SÁ, T. D. de A.; VLEK, P. L. G.
2001Water and nutrient balance under slash-and-burn agriculture in the eastern Amazon, Brasil - the role of a deep rooting fallow vegetation.SOMMER, R.; SÁ, T. D. A. de; VIELHAUER, K.; VLEK, P. L. G.; FÖLSTER, H.
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