Search Results - "Ndufa, J.K"

A short-term investigation of trace gas emissions following tillage and no-tillage of agroforestry residues in western Kenya by Baggs, E.M., Chebii, J., Ndufa, J.K.

“…Improved-fallow agroforestry systems are increasingly being adopted in the humid tropics for soil fertility management. However, there is little information on…”
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The economics of short rotation improved fallows: evidence from areas of high population density in Western Kenya by Swinkels, R.A., Franzel, S., Shepherd, K.D., Ohlsson, E., Ndufa, J.K.

“…This study assesses the economics of improved fallow in the densely-populated areas of western Kenya, where soils are nutrient-depleted. A formal survey of 71…”
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Nitrous oxide emissions following incorporation of improved-fallow residues in the humid tropics by Millar, N, Ndufa, J.K, Cadisch, G, Baggs, E.M

“…The rotation of crops with fast‐growing tree, shrub, and herbaceous N2‐fixing legume species (improved fallows) is a central agroforestry technology for soil…”
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Do Mixed-Species Legume Fallows Provide Long-Term Maize Yield Benefit Compared with Monoculture Legume Fallows by Ndufa, James K, Gathumbi, Stanley M, Kamiri, Hellen W, Giller, Ken E, Cadisch, Georg

“…The deliberate planting of fast-growing N2–fixing legume monoculture species in rotation with cereal crops can be an important source of N for soil fertility…”
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Do Species Mixtures Increase Above‐ and Belowground Resource Capture in Woody and Herbaceous Tropical Legumes? by Gathumbi, Stanley M., Ndufa, James K., Giller, Ken E., Cadisch, Georg

“…The rotation of crops with planted, N2‐fixing legumes is a promising agroforestry innovation for replenishing soil fertility in the tropics. We postulated that…”
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Vertical distribution of roots and soil nitrate: tree species and phosphorus effects by Jama, B. (Agroforestry Research Project, Kisumu, Japan.), Buresh, R.J, Ndufa, J.K, Shepherd, K.D

“…We hypothesized that trees can rapidly root into subsoil and capture NO3, which can accumulate in the subsoil of agricultural soils with high anion sorption…”
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Nutrient uptake and growth of young trees in a P-deficient soil: Tree species and phosphorus effects by Ndufa, James K, Shepherd, K.D, Buresh, R.J, Jama, Bashir

“…Phosphorus deficiency is widespread in the subhumid highlands of eastern Africa but there are few data on the effect of P deficiency on the growth of…”
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Infection potential of farm soils as mycorrhizal inocula for Leucaena leucocephala by Shepherd, K.D, Jefwa, J, Wilson, J, Ndufa, J.K, Ingleby, K, Mbuthia, K.W

“…A greenhouse experiment was conducted to assess the arbuscular mycorrhizal (AM) fungi inoculum potential for Leucaena leucocephala in a range of…”
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