Следене
James K. Ndufa
James K. Ndufa
Researcher, Kenya Forestry Research Institute (KEFRI)
Потвърден имейл адрес: kefri.org - Начална страница
Заглавие
Позовавания
Позовавания
Година
A short-term investigation of trace gas emissions following tillage and no-tillage of agroforestry residues in western Kenya
EM Baggs, J Chebii, JK Ndufa
Soil and Tillage Research 90 (1-2), 69-76, 2006
1542006
Nitrous oxide emissions following incorporation of improved‐fallow residues in the humid tropics
N Millar, JK Ndufa, G Cadisch, EM Baggs
Global biogeochemical cycles 18 (1), 2004
1522004
Vertical distribution of roots and soil nitrate: tree species and phosphorus effects
B Jama, JK Ndufa, RJ Buresh, KD Shepherd
Soil Science Society of America Journal 62 (1), 280-286, 1998
1261998
The economics of short rotation improved fallows: evidence from areas of high population density in western Kenya
RA Swinkels, S Franzel, KD Shepherd, E Ohlsson, JK Ndufa
Agricultural systems 55 (1), 99-121, 1997
1201997
Potential impact of agroforestry on soil nutrient balances at the farm scale in the East African Highlands
KD Shepherd, E Ohlsson, JR Okalebo, JK Ndufa
Fertilizer Research 44, 87-99, 1995
1161995
Do species mixtures increase above‐and belowground resource capture in woody and herbaceous tropical legumes?
SM Gathumbi, JK Ndufa, KE Giller, G Cadisch
Agronomy Journal 94 (3), 518-526, 2002
632002
Adoption potential of hedgerow intercropping in maize-based cropping systems in the highlands of western Kenya. 1. Background and agronomic evaluation
KD Shepherd, JK Ndufa, E Ohlsson, H Sjögren, R Swinkels
Experimental Agriculture 33 (2), 197-209, 1997
431997
Infection potential of farm soils as mycorrhizal inocula for Leucaena leucocephala
KD Shepherd, J Jefwa, J Wilson, JK Ndufa, K Ingleby, KW Mbuthia
Biology and Fertility of Soils 22, 16-21, 1996
401996
N2O Emissions from Tropical Soils
EM Baggs, N Millar, JK Ndufa, G Cadisch
Sustainable management of soil organic matter, 140, 2001
292001
A static model of nutrient flow on mixed farms in the highlands of western Kenya to explore the possible impact of improved management.
KD Shepherd, E Ohlsson, JR Okalebo, JK Ndufa, S David
281995
Do Mixed‐Species Legume Fallows Provide Long‐Term Maize Yield Benefit Compared with Monoculture Legume Fallows?
JK Ndufa, SM Gathumbi, HW Kamiri, KE Giller, G Cadisch
Agronomy Journal 101 (6), 1352-1362, 2009
262009
Nutrient uptake and growth of young trees in a P-deficient soil: tree species and phosphorus effects
JK Ndufa, KD Shepherd, RJ Buresh, B Jama
Forest Ecology and Management 122 (3), 231-241, 1999
241999
Assessing the adoption potential of hedgerow intercropping for improving soil fertility, Western Kenya.
RA Swinkels, KD Shepherd, S Franzel, JK Ndufa, E Ohlsson, H Sjogren
Trees on the farm: Assessing the adoption potential of agroforestry …, 2002
212002
Effect of mucuna green manure and inorganic fertilizer urea nitrogen sources and application rates on harvest index of maize (Zea mays L.).
SN Maobe, LSM Akundabweni, MWK Mburu, JK Ndufa, JG Mureithi, ...
182010
Resource acquisition of mixed species fallows-competition or complementarity?
G Cadisch, S Gathumbi, JK Ndufa, KE Giller
Integrated plant nutrient management in Sub-Saharan Africa: From concept to …, 2001
182001
Farmer-designed agroforestry trials: farmers' experiences in Western Kenya.
S Franzel, JK Ndufa, OC Obonyo, TE Bekele, R Coe
Trees on the farm: assessing the adoption potential of agroforestry …, 2002
172002
Nitrogen and soil organic matter benefits of maize by fast-growing pure and mixed species legume fallows in western Kenya
JK Ndufa
152001
Evaluation of hedgerow intercropping on farms in Western Kenya I. Diagnosis of technology potential and farmers interest
KD Shepherd, R Swinkels, WM Muturi, E Ohlsson, JK Ndufa
On-Farm Research Project, Maseno, Kenya: Papers presented to the Zonal …, 1992
141992
Integrated soil fertility management and poverty traps in Western Kenya
JK Ndufa, G Cadisch, C Poulton, Q Noordin, B Vanlauwe
Advances in integrated soil fertility management in sub-Saharan Africa …, 2007
132007
Participatory research methods for agroforestry technology development in western Kenya
JK Ndufa, E Ohlsson, K Shepherd
12th Annual Farming Systems Symposium 1318, 1992
131992
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Статии 1–20