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...
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]
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Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil
Soil fertility replenishment is a critical factor that many farmers in the tropical American hillsides have to cope with to increase food crop production. The effect of three planted fallow systems (Calliandra houstoniana-CAL, Indigofera zollingeriana-IND, Tithonia diversifolia-TTH) and a crop ro...
Basamba, T.A.
,
Barrios, E.
,
Singh, B.R.
,
Rao, Idupulapati M.
,
[Impact of planted fallows and a crop rotation on nitrogen mineralization and phosphorus and organic matter fractions on a Colombian volcanic-ash soil]
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Impact of planted fallows and a crop rotation on nitrogen mineralization and phosphorus and organic matter fractions on a Colombian volcanic-ash soil
Lack of synchronization between N released from prunings applied to the soil as green manures and crop uptake as well as optimization of protein digestibility for ruminants, remain major research objectives for the selection of multipurpose tree and shrub legumes (MPT) for mixed smallholder syste...
Tscherning, K
,
Lascano, Carlos E.
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Barrios, E.
,
Schultze-Kraft, Rainer
,
Peters, Michael
,
[The effect of mixing prunings of two tropical shrub legumes (Calliandra houstoniana and Indigofera zollingeriana) with contrasting quality on N release in the soil and apparent N degradation in the rumen]
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The effect of mixing prunings of two tropical shrub legumes (Calliandra houstoniana and Indigofera zollingeriana) with contrasting quality on N release in the soil and apparent N degradation in the rumen