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Journal Article 2016-01-21

Autor: Powlson, David S. Stirling, Clare M. Thierfelder, Christian White, Rodger P. Jat, Mangi Lal

Conservation agriculture (CA), comprising minimum soil disturbance, retention of crop residues and crop diversification, is widely promoted for reducing soil degradation and improving agricultural sustainability. It is also claimed to mitigate climate change through soil carbon sequestration: we ...

Enlace original: https://cgspace.cgiar.org/handle/10568/70256

Investigación en Agricultura
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Powlson, David S. ,  Stirling, Clare M. ,  Thierfelder, Christian ,  White, Rodger P. ,  Jat, Mangi Lal ,  [Does conservation agriculture deliver climate change mitigation through soil carbon sequestration in tropical agro-ecosystems?] ,  Does conservation agriculture deliver climate change mitigation through soil carbon sequestration in tropical agro-ecosystems?
Journal Article 1999

Autor: Oikeh, S. Kling, J. Horst, W. Chude, V. Carsky, R.

To improve efficiency of soil N and water use in the savanna, maize (Zea mays L.) cultivars with improved root systems are required. Two rainfed field experiments were conducted in Samaru, Nigeria in the 1993 and 1994 growing seasons with five maize cultivars under various rates of nitrogen ferti...

Enlace original: https://cgspace.cgiar.org/handle/10568/92590

Investigación en Agricultura
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Oikeh, S. ,  Kling, J. ,  Horst, W. ,  Chude, V. ,  Carsky, R. ,  [Growth and distribution of maize roots under nitrogen fertilization in plinthite soil] ,  Growth and distribution of maize roots under nitrogen fertilization in plinthite soil
Journal Article 2000

Autor: Nyaata, O. Dorward, P. Keatinge, J.D.H. O'neill, M.

A cross-sectional survey on 41 farms followed by six weeks monitoring of dairy cattle feeding on ten smallholder dairy farms in central Kenya was conducted to investigate the use, availability and quality of dry season feed resources. Fodder production was largely from Napier grass (Pennisetum pu...

Enlace original: https://cgspace.cgiar.org/handle/10568/92628

Investigación en Agricultura
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Nyaata, O. ,  Dorward, P. ,  Keatinge, J.D.H. ,  O'neill, M. ,  [Availability and use of dry season feed resources on smallholder dairy farms in central Kenya] ,  Availability and use of dry season feed resources on smallholder dairy farms in central Kenya
Journal Article 1997

Autor: Kim, S.K. Adetimirin, V.O.

urple witchweed [Striga hermonthica (Del.) Benth.], here called just striga, parasitizes cereal crops in the savanna zone of sub-Saharan Africa. The objectives of this study were to investigate the expressions of a tolerant and a susceptible cultivar of maize (Zea mays L.) to striga as affected b...

Enlace original: https://cgspace.cgiar.org/handle/10568/103861

Investigación en Agricultura
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Kim, S.K. ,  Adetimirin, V.O. ,  [Responses of tolerant and susceptible maize varieties to timimg and rate of nitrogen under Striga hermonthica infestation] ,  Responses of tolerant and susceptible maize varieties to timimg and rate of nitrogen under Striga hermonthica infestation
Journal Article 2002

Autor: Hindrichsen, I.K. Osuji, P.O. Odenyo, A.A. Madsen, J. Hvelplund, T.

The experiment was carried out using a replicated (3x3) Latin square design with six sheep, to assess, the effect of supplementing maize stover fed ad libitum at three levels (100, 150 or 200 g) of Leucaena diversifolia. The sheep had an initial live weight of 26.4 kg (+ or -) 1.78 kg. In each pe...

Enlace original: https://cgspace.cgiar.org/handle/10568/30042

Investigación en Agricultura
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Hindrichsen, I.K. ,  Osuji, P.O. ,  Odenyo, A.A. ,  Madsen, J. ,  Hvelplund, T. ,  [Effects of supplementation of a basal diet of maize stover with different amounts of Leucaena diversifolia on intake, digestibility, nitrogen metabolism and rumen parameters in sheep] ,  Effects of supplementation of a basal diet of maize stover with different amounts of Leucaena diversifolia on intake, digestibility, nitrogen metabolism and rumen parameters in sheep
Journal Article 2012-08-01

Autor: Shrestha, S. Brueck H Asch, F.

Rapid and non-destructive diagnosis of plant N status is highly required in order to optimise N fertilizer management and use-efficiency. Additionally to handheld devices for measurements of chlorophyll indices (e.g., SPAD meter) parameters of canopy reflectance via remote sensing approaches are ...

Enlace original: https://cgspace.cgiar.org/handle/10568/42078

Investigación en Agricultura
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Shrestha, S. ,  Brueck H ,  Asch, F. ,  [Chlorophyll index, photochemical reflectance index and chlorophyll fluorescence measurements of rice leaves supplied with different N levels] ,  Chlorophyll index, photochemical reflectance index and chlorophyll fluorescence measurements of rice leaves supplied with different N levels
Journal Article 2001-09

Autor: Tian, G. Salako, F. Ishida, F.

The capacity of vegetation fallow to replenish carbon and nutrients in degraded soil is related largely to the nature of the fallow vegetation, particularly the chemical composition. Therefore, a study was conducted at Ibadan, southwestern Nigeria (humid tropics), to look into these relationships...

Enlace original: https://cgspace.cgiar.org/handle/10568/97189

Investigación en Agricultura
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Tian, G. ,  Salako, F. ,  Ishida, F. ,  [Replenishment of C, N, and P in a degraded alfisol under humid tropical conditions; effect of fallow species and litter polyphenols] ,  Replenishment of C, N, and P in a degraded alfisol under humid tropical conditions; effect of fallow species and litter polyphenols
Journal Article 1999

Autor: Qamar, I.A. Keatinge, J.D.H. Mohammad, N. Ali, A. Khan, M.A.

The residual effects of winter-sown forage mixtures grown in the northern rainfed parts of Punjab province and south-eastern North West Frontier Province in Pakistan were examined. Studies were carried out during 1994–97 primarily at the National Agricultural Research Centre (NARC), Islamabad, wh...

Enlace original: https://cgspace.cgiar.org/handle/10568/96044

Investigación en Agricultura
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Qamar, I.A. ,  Keatinge, J.D.H. ,  Mohammad, N. ,  Ali, A. ,  Khan, M.A. ,  [Introduction and management of vetch/barley forage mixtures in the rainfed areas of Pakistan 3. Residual effects on following cereal crops] ,  Introduction and management of vetch/barley forage mixtures in the rainfed areas of Pakistan 3. Residual effects on following cereal crops
Journal Article 2014

Autor: Leip, A. Leach, A. Musinguzi, P. Tumwesigye, T. Olupot, G. Tenywa, J.S. Mudiope, J. Hutton, O. Cordovil, C.M. Bekunda, Mateete A. Galloway, J.

We propose a novel indicator measuring one dimension of the sustainability of an entity in modern societies: Nitrogen-neutrality. N-neutrality strives to offset Nr releases an entity exerts on the environment from the release of reactive nitrogen (Nr) to the environment by reducing it and by offs...

Enlace original: https://cgspace.cgiar.org/handle/10568/76105

Investigación en Agricultura
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Leip, A. ,  Leach, A. ,  Musinguzi, P. ,  Tumwesigye, T. ,  Olupot, G. ,  Tenywa, J.S. ,  Mudiope, J. ,  Hutton, O. ,  Cordovil, C.M. ,  Bekunda, Mateete A. ,  Galloway, J. ,  [Nitrogenneutrality: a step towards sustainability] ,  Nitrogenneutrality: a step towards sustainability
Journal Article 1999

Autor: Qamar, I.A. Keatinge, J.D.H. Mohammad, N. Ali, A. Khan, M.A.

The effects of a range of harvesting times and vetch/barley mixture ratios on forage quality were investigated in Mediterranean-type environments at the National Agricultural Research Centre (NARC), Islamabad, which has an annual rainfall of around 1000 mm, and at a much drier site at the Arid Zo...

Enlace original: https://cgspace.cgiar.org/handle/10568/96045

Investigación en Agricultura
Enlace permanente
Qamar, I.A. ,  Keatinge, J.D.H. ,  Mohammad, N. ,  Ali, A. ,  Khan, M.A. ,  [Introduction and management of vetch/barley forage mixtures in the rainfed areas of Pakistan 2. Forage quality] ,  Introduction and management of vetch/barley forage mixtures in the rainfed areas of Pakistan 2. Forage quality

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