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Journal Article 2002

Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil

Autor: Cobo Borrero, Juan G. Barrios, E. Kass, DCL Thomas, Richard J.

Leaves of nine green manure (GM) species were surface applied to a tropical volcanic-ash soil at a rate of 100 kg N ha 1 in order to evaluate their N-fertilizer value in a glasshouse experiment. GM treatments were compared to urea at two rates, 50 kg N ha 1 (FN50) and 100 kg N ha 1 (FN100), and t...

Enlace original: https://cgspace.cgiar.org/handle/10568/43893

Investigación en Agricultura

GREEN MANURES

NITROGEN FERTILIZERS

ORGANIC FERTILIZERS

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Cobo Borrero, Juan G. , Barrios, E. , Kass, DCL , Thomas, Richard J. , [Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil] , Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil

Journal Article 2002

Decomposition and nutrient release by green manures in a tropical hillside agroecosystem

Autor: Cobo Borrero, Juan G. Barrios, E. Kass, DCL Thomas, Richard J.

The decomposition and nutrient release of 12 plant materials were assessed in a 20-week litterbag field study in hillsides from Cauca, Colombia. Leaves of Tithonia diversifolia (TTH) and Indigofera constricta (IND) decomposed quickly (k=0.035±0.002 d?1), while those of Cratylia argentea (CRA) and...

Enlace original: https://cgspace.cgiar.org/handle/10568/42717

Investigación en Agricultura

GREEN MANURES

DEGRADATION

NUTRIENTS

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Cobo Borrero, Juan G. , Barrios, E. , Kass, DCL , Thomas, Richard J. , [Decomposition and nutrient release by green manures in a tropical hillside agroecosystem] , Decomposition and nutrient release by green manures in a tropical hillside agroecosystem

Conference Paper 1997

Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils

Autor: Friesen, Dennis K. Rao, Idupulapati M. Thomas, Richard J. Oberson, Astrid Sanz Scovino, José Ignacio

Enlace original: https://cgspace.cgiar.org/handle/10568/77824

Investigación en Agricultura

BRACHIARIA HUMIDICOLA

ARACHIS PINTOI

STYLOSANTHES CAPITATA

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Friesen, Dennis K. , Rao, Idupulapati M. , Thomas, Richard J. , Oberson, Astrid , Sanz Scovino, José Ignacio , [Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils] , Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils

Journal Article 1999

Abonos verdes de leñosas y no leñosas como fuente de nitrógeno a cultivos anuales

Autor: Cobo Borrero, Juan G. Kass, D Muschler, R Arze Borda, JA Barrios, E. Thomas, Richard J.

The capacity of woody and non-woody species to supply N to rice (Oryza sativa) was evaluated in field and greenhouse experiments in Palmira, Colombia. N liberation rates decreased in the order: Indigofera constricta > Mucuna deerengianum > Mucuna pruriens var. Brunin > Tithonia diversifo...

Enlace original: https://cgspace.cgiar.org/handle/10568/65789

Investigación en Agricultura

ORYZA SATIVA

RICE

CANAVALIA

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Cobo Borrero, Juan G. , Kass, D , Muschler, R , Arze Borda, JA , Barrios, E. , Thomas, Richard J. , [Abonos verdes de leñosas y no leñosas como fuente de nitrógeno a cultivos anuales] , Abonos verdes de leñosas y no leñosas como fuente de nitrógeno a cultivos anuales

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Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil

Decomposition and nutrient release by green manures in a tropical hillside agroecosystem

Phosphorus acquisition and cycling in crop and pasture systems in low fertility tropical soils

Abonos verdes de leñosas y no leñosas como fuente de nitrógeno a cultivos anuales