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Conference Paper 1995

Autor: Rao, Idupulapati M. Borrero, V. Ayarza, Miguel Angel García, Ramiro
Enlace original: https://cgspace.cgiar.org/handle/10568/77823

Investigación en Agricultura
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Rao, Idupulapati M. ,  Borrero, V. ,  Ayarza, Miguel Angel ,  García, Ramiro ,  [Adaptation of tropical forage species to acid soils : the influence of varying phosphorus supply and soil type on plant growth] ,  Adaptation of tropical forage species to acid soils : the influence of varying phosphorus supply and soil type on plant growth
Book Chapter 1999

Autor: Lilienfein, J Wilcke, W. Neufeldt, Henry Ayarza, Miguel Angel Zech, W.

This study assessed the influence of land use (continuous cropping, CC; tree plantations, F; pasture, PG; and native savanna, NS) on P concentrations and partitioning in bulk soil and two aggregate size fractions of two Oxisols, one loamy and one clayey. The quantity and quality of physically pro...

Enlace original: https://cgspace.cgiar.org/handle/10568/55136

Investigación en Agricultura
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Lilienfein, J ,  Wilcke, W. ,  Neufeldt, Henry ,  Ayarza, Miguel Angel ,  Zech, W. ,  [Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados] ,  Phosphorus pools in bulk soil and aggregates of differently textured oxisols under different land-use systems in the Brazilian cerrados
Journal Article 1997

Autor: Rao, Idupulapati M. Borrero, V. Ricaurte Oyola, José Jaumer García, Ramiro Ayarza, Miguel Angel

Low phosphorus (P) supply is a major limitation of forage production in acid soils of the tropics. A glasshouse experiment was conducted to determine the differences in P acquisition and utilization among three legumes (Arachis pintoi, Stylosanthes capitata and Centrosema acutifolium) and one gra...

Enlace original: https://cgspace.cgiar.org/handle/10568/77760

Investigación en Agricultura
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Rao, Idupulapati M. ,  Borrero, V. ,  Ricaurte Oyola, José Jaumer ,  García, Ramiro ,  Ayarza, Miguel Angel ,  [Adaptive attributes of tropical forage species to acid soils. III. Differences in phosphorus acquisition and utilization as influenced by varying phosphorus supply and soil type] ,  Adaptive attributes of tropical forage species to acid soils. III. Differences in phosphorus acquisition and utilization as influenced by varying phosphorus supply and soil type
Brief 2001

Autor: Rao, Idupulapati M. Barrios, E. Oberson, Astrid Ayarza, Miguel Angel Friesen, Dennis K.
Enlace original: https://cgspace.cgiar.org/handle/10568/70560

Investigación en Agricultura
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Rao, Idupulapati M. ,  Barrios, E. ,  Oberson, Astrid ,  Ayarza, Miguel Angel ,  Friesen, Dennis K. ,  [Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems] ,  Opportunities for increasing the efficiency of phosphorus use in tropical agroecosystems
Journal Article 2000

Autor: Neufeldt, Henry Silva, J.E. da Ayarza, Miguel Angel Zech, W.

Differently managed oxisols from Central Brazil were studied using a sequential P fractionation procedure because the effects of land use on the distribution of P forms in these soils are barely known. Therefore levels of labile and recalcitrant P forms in the natural Cerrado savanna were compare...

Enlace original: https://cgspace.cgiar.org/handle/10568/43630

Investigación en Agricultura
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Neufeldt, Henry ,  Silva, J.E. da ,  Ayarza, Miguel Angel ,  Zech, W. ,  [Land-use effects on phosphorus fractions in cerrado oxisols] ,  Land-use effects on phosphorus fractions in cerrado oxisols
Book Chapter 1999

Autor: 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. In tropical soils, rich in sesquioxides, P supply of plants depends heavily on the transformation of organic P by phosphatase enzymes into HPO 4 2- and H 2 PO 4-. We examined two Oxiso...

Enlace original: https://cgspace.cgiar.org/handle/10568/55137

Investigación en Agricultura
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Renz, TE ,  Neufeldt, Henry ,  Ayarza, Miguel Angel ,  Silva, J.E. da ,  Zech, W. ,  [Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados] ,  Acid monophosphatase: an indicator of phosphorus mineralization or of microbial activity? A case study from the Brazilian cerrados
Book Chapter 1999

Autor: Westerhof, R Silva, J.E. da Ayarza, Miguel Angel Zech, W.

We examined whole-soil samples and particle-size fractions to study the distribution of different phosphorus (P) fractions after land-use change from native savanna to crops, pasture, and reforestation on clayey and loamy Oxisols of the Brazilian savannas. Phosphorus was extracted sequentially, a...

Enlace original: https://cgspace.cgiar.org/handle/10568/55135

Investigación en Agricultura
Enlace permanente
Westerhof, R ,  Silva, J.E. da ,  Ayarza, Miguel Angel ,  Zech, W. ,  [Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados] ,  Phosphorus fractions under different land-use systems in oxisols of the Brazilian cerrados

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