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Search: su=Nitrogen
Found: 123 Record 1-100 Next Last

Periodical articleAbuaku, E.; Frimpong, K.A.; Osei, B.A.; Verstraete, W. (2006)
See this publicationBio-recovery of N and P from an anaerobic digester effluent: the potential of duckweed (Lemna minor)
West African Journal of Applied Ecology. Volume 10. p. 153-162.

Periodical articleBayorbor, T.B.; Addai, I.K.; Lawson, I.Y.D.; Dogbe, W.; Djagbletey, D. (2006)
Evaluation of nodulating and nitrogen fixing potentials of some herbaceous legumes in inland valley soils
Journal of the Ghana Science Association. Volume 8 #1. p. 8-14.

Periodical articleKibe, A.M.; Singh, S.; Titus, S. (2006)
Effect of irrigation, nitrogen and zinc on nitrogen and zinc content and uptake in late sown wheat biomass
Egerton Journal of Humanities, Social Sciences and Education. Volume 6 #1. p. 157-173.

Periodical articleBismarck, N.H.; Jérôme, B.; Boureïma, D.; Luc, A. (2004)
See this publicationEffects of cultivation on organic matter and nitrogen distribution within soil particle sizes in a humid tropical savanna in Burkina Faso
Discovery and Innovation. Volume 16 #1-2. June. p. 71-75.

Periodical articleNyeko, P.; Edwards-Jones, G.; Day, R.K.; Ap-Dewi, I. (2004)
See this publicationEffects of defoliation on growth characteristics and N, P, K content in an alder/maize agroforestry system
African Crop Science Journal. Volume 12 #4. December. p. 369-381.

Periodical articleSenzia, A.M.; Mashauri, D.A.; Mayo, A.W. (2004)
Modeling nitrogen transformation in horizontal subsurface flow constructed wetlands planted with Phragmites mauritianus
Journal of Civil Engineering Research and Practice. Volume 1 #2. October. p. 1-15.

Periodical articleBarik, S. (2003)
See this publicationRole of potassium and nitrogen on sugar concentration of sugar beet
African Crop Science Journal. Volume 11 #4. December. p. 259-268.

Periodical articleIchir, L.L.; Ismaili, M. (2003)
See this publicationRecovery of wheat residue nitrogen and residual effects of N fertilisation in a wheat-wheat cropping system under Mediterranean conditions
African Crop Science Journal. Volume 11 #1. March. p. 27-34.

Periodical articleKamau, D.M.; Owuor, P.; Wanyoko, J.K. (2003)
Long term effects of rates and types of nitrogenous fertilizers on high yielding clone AHP S15/10 tea. Pt. 1. Yields and nutrient uptake
Tea. Volume 24 #1. July. p. 14-20.

Periodical articleKamoni, P.T.; Mburu, M.W.K.; Gachene, C.K.K. (2003)
See this publicationInfluence of irrigation and nitrogen fertilisers on maize growth, nitrogen uptake and yield in a semi-arid Kenyan environment
East African Agricultural and Forestry Journal. Volume 69 #1-2. July-October. p. 99-108.

Periodical articleKihanda, F.M. (2003)
See this publicationEffect of manures composted with high quality organic residues on dry matter accumulation, nitrogen uptake and maize grain yield
East African Agricultural and Forestry Journal. Volume 69 #1-2. July-October. p. 63-68.

Periodical articleMati, G.N.; Mburu, M.W.K.; Kurji, P.N.; Shibairo, S.I. (2003)
See this publicationEffects of nitrogen and phosphorus fertiliser on growth and yield of ironweed (Vernonia galamesis)
East African Agricultural and Forestry Journal. Volume 69 #1-2. July-October. p. 109-118.

Periodical articleMugendi, D.N.; Kanyi, M.; Kung'u, J.B.; Wamicha, W.; Mugwe, J.N. (2003)
See this publicationThe role of agroforestry trees in intercepting leached nitrogen in the agricultural systems of the central highlands of Kenya
East African Agricultural and Forestry Journal. Volume 69 #1-2. July-October. p. 69-79.

Periodical articleNyamangara, J.; Piha, M.I.; Giller, K.E. (2003)
See this publicationEffect of combined cattle manure and mineral nitrogen on maize N uptake and grain yield
African Crop Science Journal. Volume 11 #4. December. p. 289-300.

Periodical articleSaid, M.; Itulya, F.M. (2003)
See this publicationIntercropping and nitrogen management effects on diamondback moth damage and yield of collards in the highlands of Kenya
African Crop Science Journal. Volume 11 #1. March. p. 35-42.

Periodical articleWamuongo, J.W.; Esilaba, A.O.; Miriti, J.M.; Mwangi, J.N.; Kimani.S.K. (2003)
See this publicationThe organic matter and nitrogen status of manure on smallholder farms in Central Kenya
East African Agricultural and Forestry Journal. Volume 68 #3-4. January-April. p. 135-142.

Periodical articleMbonigaba, J.J.; Maniraguha, J.D.; Culot, M. (2002)
Comparison de différents types de compostages de matières organiques diverses non valorisées par les paysans au Rwanda
Etudes rwandaises. Volume 5. September. p. 40-55.

Periodical articleInambao, F.L.; Mosweu, M. (2001)
See this publicationOxides of nitrogen in diesel engines: formation, effects and control
Botswana Journal of Technology. Volume 10 #2. October. p. 41-48.

Periodical articleKanzikwera, C.R.; Tenywa, J.S.; Osiru, D.S.O.; Adipala, E.; Bhagsari, A.S. (2001)
See this publicationInteractive effect of nitrogen and potassium on dry matter and nutrient partitioning in true potato seed mother plants
African Crop Science Journal. Volume 9 #1. March. p. 127-146.

Periodical articleKanzikwera, C.R.; Tenywa, J.S.; Osiru, D.S.O.; Adipala, E.; Bhagsari, A.S. (2001)
Interactive effect of nitrogen and potassium on flowering and berry set in true potato seed mother plants
African Crop Science Journal. Volume 9 #1. March. p. 109-125.

Periodical articleMkhabela, M.S.; Mkhabela, M.S.; Pali-Shikhulu, J.S. (2001)
See this publicationResponse of maize (Zea mays L.) cultivars to different levels of nitrogen application in Swaziland during the 1994 cropping season
UNISWA Journal of Agriculture. Volume 10. p. 12-21.

Periodical articleMugabe, F.T.; Banga, D.J. (2001)
See this publicationAssessment of the nitrogen requirements of planted maize (Zea mays L.) in the semi-arid areas of Zimbabwe
UNISWA Journal of Agriculture. Volume 10. p. 5-11.

Periodical articleMunguri, M.W.; Mariga, I.K.; Chivinge, O.; Musambasi, D. (2001)
See this publicationThe effect of rate and time of application of nitrogen on maize yield in Chinyika resettlement area, Zimbabwe
UNISWA Research Journal of Agriculture, Science and Technology. Volume 5 #2. December. p. 159-164.

Periodical articleBalesh T.; Salema, M.P. (2000)
See this publicationResponse of bread wheat to increasing mustard meal nitrogen application on pellic vertisol and eutric nitosol
Sinet. Volume 23 #1. June. p. 53-66.

Periodical articleEsilaba, A.O.; Reda, F.; Ransom, J.K.; Wondimu B.; Gebremehdin W.; Beyenesh Z. (2000)
See this publicationIntegrated nutrient management strategies for soil fertility improvement and striga control in northern Ethiopia
African Crop Science Journal. Volume 8 #4. December. p. 403-410.

Periodical articleGathungu, G.K.; Shibairo, S.I.; Githiri, S.M.; Mburu, M.W.K.; Ojiambo, P.S.; Kidanemariam, H.M. (2000)
See this publicationEffect of source, time and method of nitrogen application on growth and yield components of potato in Kenya
African Crop Science Journal. Volume 8 #4. December. p. 387-402.

Periodical articleKanzikwera, C.R.; Tenywa, J.S.; Osiru, D.S.O.; Adipala, E.; Bhagsari, A.S. (2000)
Effect of mother plant applied nitrogen and potassium on the sowing value of true potato seed
Uganda Journal of Agricultural Sciences. Volume 5 #2. June. p. 30-34.

Periodical articleKanzikwera, C.R.; Osiru, D.S.O.; Tenywa, J.S.; Adipala, E.; Bhagsari, A.S. (2000)
See this publicationEffect of mother plant-applied nitrogen and potassium on seed weight and seedling emergence of true potato seed
African Crop Science Journal. Volume 8 #4. December. p. 375-385.

Periodical articleLelei, J.J.; Mochoge, B.O.; Onwonga, R.N. (2000)
See this publicationEffect of lime, urea and triple super phosphate on nitrogen and phosphorus mineralisation in an acid soil during incubation
African Crop Science Journal. Volume 8 #3. September. p. 327-336.

Periodical articleMaman, N.; Mason, S.C.; Sirifi, S. (2000)
See this publicationInfluence of variety and management level on pearl millet production in Niger. Pt. 2. N and P concentration and accumulation
African Crop Science Journal. Volume 8 #1. March. p. 35-47.

Periodical articleMvukiye, N.E.; Msumali, G.P. (2000)
See this publicationPotential of azolla as a nitrogen biofertiliser for irrigated rice at the lower Moshi Irrigation Project, Tanzania
UNISWA Research Journal of Agriculture, Science and Technology. Volume 4 #2. December. p. 190-198.

Periodical articleNegussie R.; Neilson, R.H. (2000)
See this publicationN-phosphyl derivatives of 2-t-butyl-1,3,2-diazaboracycloalkane ring system
Bulletin of the Chemical Society of Ethiopia. Volume 14 #2. December. p. 123-128.

Periodical articleQuansah, C.; Safo, E.Y.; Ampontuah, E.O.; Amankwah, A.S. (2000)
See this publicationSoil fertility erosion and the associated cost of NPK removed under different soil and residue management in Ghana
Ghana Journal of Agricultural Science. Volume 33. p. 33-42.

Periodical articleTenaw W. (2000)
See this publicationEffect of nitrogen fertiliser rates and plant density on grain yield of maize
African Crop Science Journal. Volume 8 #3. September. p. 273-282.

Periodical articleAlawa, J.P. (1999)
See this publicationRumen protein degradation and nitrogen cycling on the nutritive value of low quality roughage diets: a review
Discovery and Innovation. Volume 11 #3-4. December. p. 131-136.

Periodical articleKamau, D.M.; Owuor, P.O.; Wanyoko, J.K. (1999)
Effects of rates and ratios of nitrogen and potash fertilisers on seedling tea at Kericho. Pt. 3. Leaf nitrogen and potassium contents
Tea. Volume 20 #1. July. p. 37-47.

Periodical articleKamau, D.M.; Owuor, P.O.; Wanyoko, J.K. (1999)
Effects of rates and ratios of nitrogen and potash fertilisers on seedling tea at Kericho. Pt. 2. Yields
Tea. Volume 20 #1. July. p. 30-36.

Periodical articleNegussie R.; Neilson, R.H. (1999)
See this publicationSynthesis and characterization of some derivatives of 2-t-butyl-1,3,2-diazaboracyclopentane ring system
Bulletin of the Chemical Society of Ethiopia. Volume 13 #2. December. p. 121-125.

Periodical articleNg'etich, W.K. (1999)
Effects of different applied nitrogen rates on yield and plant survival during periods of water stress
Tea. Volume 20 #2. December. p. 61-65.

Periodical articleNjui, N.A.; Musandu, A.A.O. (1999)
See this publicationResponse of maize to phosphorus fertilisation at selected sites in western Kenya
African Crop Science Journal. Volume 7 #4. December. p. 397-406.

Periodical articleOkalebo, J.R.; Palm, C.A.; Gichuru, M.; Owuor, J.O.; Othieno, C.O.; Munyampundu, A.; Muasya, R.M.; Woomer, P.L. (1999)
See this publicationUse of wheat straw, soybean trash and nitrogen fertilizer for maize production in the Kenyan highlands
African Crop Science Journal. Volume 7 #4. December. p. 423-431.

Periodical articleSallah, P.Y.K.; Twumasi-Afriyie, S. (1999)
See this publicationStudies on performance of some open-pollinated maize cultivars in the Guinea savanna. Pt. 3. Nitrogen use efficiencies of four cultivars
Ghana Journal of Agricultural Science. Volume 32. p. 19-25.

Periodical articleSelamyihun K.; Tanner, D.G.; Tekalign M. (1999)
See this publicationEffect of nitrogen fertiliser applied to tef on the yield and N response of succeeding tef and durum wheat on a highland vertisol
African Crop Science Journal. Volume 7 #1. March. p. 35-46.

Periodical articleBelewu, M.A. (1998)
See this publicationNitrogen distribution in the milk and blood of Bunaji (White Fulani) cattle fed broiler-litter-based concentrate diets as supplement to Panicum Maximun (jacq) hay
Ghana Journal of Agricultural Science. Volume 31. p. 15-20.

Periodical articleKamau, D.M.; Owuor, P.O.; Wanyoko, J.K. (1998)
Effects of rates and ratios of nitrogen and potash fertilizers on seedling tea at Kericho: Pt. 1. Soil pH, soil available calcium, magnesium and extractable manganese
Tea. Volume 19 #2. December. p. 84-91.

Periodical articleKamau, D.M.; Owuor, P.O.; Wanyoko, J.K. (1998)
Economic analysis of nitrogen fertilizers in different tea cultivars east and west of the Rift Valley
Tea. Volume 19 #1. July. p. 27-37.

Periodical articleSallah, P.Y.K.; Ehlke, N.J.; Geadelmann, J.L. (1998)
See this publicationProgress from selection in la posta maize population evaluated under three nitrogen fertilizer levels
African Crop Science Journal. Volume 6 #3. September. p. 241-248.

Periodical articleWortmann, C.; Silver-Rwakaikara, M.; Lynch.J. (1998)
See this publicationEfficiency of nitrogen acquisition and utilisation in common bean in Uganda
African Crop Science Journal. Volume 6 #3. September. p. 273-282.

Periodical articleChui, J.N.; Keter, J.K. (1997)
Effects of N fertilisation, bean spatial arrangements and residue on maize performance in a semi-arid area of Kenya
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 499-508.

Periodical articleHikwa, D.; Mugwira, L.M. (1997)
See this publicationResponse of castor cultivar 'Hale' to rate and method of nitrogen fertilizer application in different environments of Zimbabwe
African Crop Science Journal. Volume 5 #2. June. p. 175-188.

Periodical articleKanaventi, C.M. (1997)
Screening maize varieties for tolerance to low nitrogen environment
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 577-583.

Periodical articleLatiri-Souki, K.; Lawlor, D. (1997)
Analysis of the effects of water and nitrogen supply on the yield and growth of durum wheat under semi-arid conditions in Tunisia
African Crop Science Conference Proceedings. Volume 3 #pt. 2. October. p. 707-724.

Periodical articleMacharia, C.N.; Shiluli, M.C.; Kamau, A.W.; Wangari, N.; Ogendo, J.O. (1997)
The effect of tillage system, inorganic nitrogen and mulch on the grain yield of maize
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 483-485.

Periodical articleMetho, A.L.; Hammes, P.S.; De Beer, J.M. (1997)
Effect of cultivar and soil fertility on grain yield, yield components and grain nitrogen content of wheat
African Crop Science Conference Proceedings. Volume 3 #pt. 2. October. p. 695-706.

Periodical articleMusandu, A.A.O. (1997)
Effect of temperature and light intensity on absorption and transport of potassium and nitrate nitrogen in maize seedlings
African Crop Science Conference Proceedings. Volume 3 #pt. 2. October. p. 627-635.

Periodical articleMwakalombe, B.; Mapiki, A. (1997)
Nitrogen mineralisation potential of organic residues in a sandy clay loam at Misamfu, northern Zambia
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 477-481.

Periodical articleNtone, K.; Mbewe, D.M.N.; Chishala, B.H. (1997)
Determination of nitrogen fertilizer requirement in bambara groundnut (vigna subterranea (L.) Verdc.)
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 509-514.

Periodical articleOwuor, P.O. (1997)
Fertilizer use in tea: the case of nitrogen
Tea. Volume 18 #2. December. p. 132-143.

Periodical articleSingels, A. (1997)
Identifying optimal fertilizer schedules for wheat grain yield and quality using the Putu model
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 263-269.

Periodical articleTenywa, J.S. (1997)
See this publicationInfluence of molybdenum and cobalt fertilisation on symbiotic nitrogen fixation indicators in an oxisol in Uganda
African Crop Science Journal. Volume 5 #1. March. p. 87-92.

Periodical articleVilakazi, P.N.; Ocen, G.W. (1997)
The effect of source of supplemental nitrogen on intake and digestibility in sheep fed maize sheaths
UNISWA Journal of Agriculture. Volume 6. p. 71-76.

Periodical articleWanyoko, J.K. (1997)
Advances in fertilizer use in Kenyan tea industry
Tea. Volume 18 #2. December. p. 123-131.

Periodical articleWanyoko, J.K.; Othieno, C.O.; Mwakha, E.; Cheruiyot, D.K. (1997)
Effects of types and rates of nitrogen fertilizer on leaf nutrients contents of seedling tea in Nandi Hills, Kenya
Tea. Volume 18 #1. July. p. 21-31.

Periodical articleOgwang, B.H.; Vilakati, M.L. (1996?)
Productivity, chemical composition and decomposition rates of three cultivars of lucerne at Luyengo
UNISWA Research Journal of Agriculture, Science and Technology. Volume 1 #1. p. 13-18.

Periodical articleBagayoko, M.; Mason, S.C.; Traoré, S.; Eskridge, K.M. (1996)
Pearl millet/cowpea cropping system yields and soil nutrient levels
African Crop Science Journal. Volume 4 #4. December. p. 453-462.

Periodical articleBaiyeri, K.P. (1996)
Water stress effects on plantain (Musa sp. AAB) suckers grown under varying nitrogen and watering regimes
African Crop Science Journal. Volume 4 #2. June. p. 159-166.

Periodical articleDaniel K. (1996)
Effects of nitrogen application and stage of development on yield and nutritional value of Rhodes grass (chloris gayana)
Ethiopian Journal of Agricultural Sciences. Volume 15 #1-2. December. p. 86-101.

Periodical articleMafongoya, P.L.; Mugendi, D.N.; Pedreira, C.G.S. (1996)
Evaluation of leucaena leucocephala leaf prunings as a source of nitrogen for maize
African Crop Science Journal. Volume 4 #2. June. p. 249-255.

Periodical articleNg Kee Kwong, K.F.; Paul, J.P.; Deville, J. (1996)
Effect of a supplementary nitrogen dressing on growth and yield of ratoon cane in Mauritius
Revue agricole et sucrière de l'île Maurice. Volume 75 #2. mai-août. p. 33-37.

Periodical articleNjoroge, J.M.; Kimemia, J.K. (1996)
Yield and leaf nutrient concentrations of arabica coffee during the second production cycle after establishment as influenced by nitrogen rates and plant density
Discovery and Innovation. Volume 8 #3. September. p. 233-240.

Periodical articleOwuor, P.O.; Wanyoko, J.K. (1996)
Rationalization of nitrogen fertilizer use in tea production
Tea. Volume 17 #2. December. p. 53-59.

Periodical articleSanchez, P.; Palm, C. (1996)
Nitrogen and phosphorus in African soils: what role for agroforestry?
Agroforestry Today. Volume 8 #5. October-December. p. 14-16.

Periodical articleWanyoko, J.K.; Othieno, C.O.; Mwakha, E.; Cheruiyot, D. (1996)
Effects of types and rates of nitrogen fertilizer on soil. Pt. 2. Extractable phosphorous, and potassium contents under seedling tea field in Nandi Hills, Kenya
Tea. Volume 17 #1. July. p. 12-19.

Periodical articleWortmann, C.S.; Schnier, H.F.; Muriuki, A.W. (1996)
Estimation of the fertiliser response of maize and bean intercropping using sole crop response equations
African Crop Science Journal. Volume 4 #1. March. p. 51-55.

Periodical articleKwakye, P.K.; Aforo, D. (1995-1996)
See this publicationComparative effectiveness of nitrogen applied as straight and in compound fertilizers on maize on a coastal savanna ultisol
Ghana Journal of Agricultural Science. Volume 28-29. p. 17-21.

Periodical articleOkpara, D.A.; Omaliko, C.P.E. (1995-1996)
See this publicationForage millet response to irrigation and nitrogen fertilization in the derived savanna zone of Nigeria
Ghana Journal of Agricultural Science. Volume 28-29. p. 37-43.

Periodical articleOkpara, D.A.; Omaliko, C.P.E. (1995-1996)
See this publicationEffects of staking, nitrogen and phosphorus fertilizer rates on yield and yield components of African yambean (sphenostylis stenocarpa)
Ghana Journal of Agricultural Science. Volume 28-29. p. 23-28.

Periodical articleOwuor, P.O.; Obanda, M.; Wanyoko, J.K. (1995)
Quality response of low yielding tea to rates and splitting nitrogen fertilizer application in the eastern and western Kenya Highlands
Tea. Volume 16 #2. December. p. 124-128.

Periodical articleWanyoko, J.K.; Othieno, C.O.; Mwakha, E.; Cheruiyot, D.K. (1995)
Effects of types and rates of nitrogen fertilizer on soil: Pt. 1. pH, exchangeable calcium, magnesium and extractable manganese contents of seedling tea field in Nandi Hills, Kenya
Tea. Volume 16 #2. December. p. 106-114.

Periodical articleBareeba, F.B.; McClure, K.E. (1994)
Effect of ensiling maize stover with alfalfa or urea on intake, digestibility and nitrogen balance by growing lambs
East African Agricultural and Forestry Journal. Volume 59 #4. April. p. 281-286.

Periodical articleChemining'wa, G.N.; Nyabundi, J.O. (1994)
Effect of proximity between intercropped maize and beans on growth and yield of maize under varying nitrogen levels
East African Agricultural and Forestry Journal. Volume 59 #4. April. p. 269-279.

Periodical articleDogo, Y.W.; Owuor, P.O.; Wanyoko, J.K.; Othieno, C.O. (1994)
High rates of nitrogen on tea at high altitudes: Pt. 7. The effects of rates and frequency of applications on soil chemical properties in Mount Kenya area
Tea. Volume 15 #1. July. p. 17-26.

Periodical articleGholap, A.B.; Mathuthu, M.; Warmate, A.G. (1994)
Characterization of locally made nitrogen gas laser
Discovery and Innovation. Volume 6 #3. September. p. 281-286.

Periodical articleNkambule, S.V.; Mkhabela, T.S. (1994)
Characterization of organic soil nitrogen in a Malkerns series soil from Luyengo
UNISWA Journal of Agriculture. Volume 3. p. 43-53.

Periodical articleOwuor, P.O.; Obanda, M.; Othieno, C.O. (1994)
Effects of rates and ratios of nitrogenous and potash fertilizers on tea in the eastern highlands of Kenya: Pt. 3. Quality and value
Tea. Volume 15 #1. July. p. 42-49.

Periodical articleOwuor, P.O.; Wanyoko, J.K.; Othieno, C.O.; M'Imwere, Z.K. (1994)
High rates of nitrogen on tea at high altitudes: Pt. 6. Yield response to rates and splitting application of NPKS 25:5:5:5 fertilizer and economic analysis of the application to clonal tea in eastern Kenya highlands
Tea. Volume 15 #1. July. p. 8-16.

Periodical articleRuto, J.K.; Wanyoko, J.K.; Othieno, C.O. (1994)
Economic analysis of seedling tea response to nitrogen fertilizers in west of rift region, Nandi District
Tea. Volume 15 #2. December. p. 94-98.

Periodical articleAganga, A.A.; Umunna, N.N. (1993)
Nitrogen requirement of Maradi goats in the Savanna Zone of Nigeria
Zambian Journal of Agricultural Science. #[1]. February. p. 45-49.

Periodical articleKiazolu, J.S.; Donkor, S.M.K.; Bitsang, M.; Ramolemana, G. (1993)
Effect of soil moisture tension on the availability of nitrogen and phosphorus to maize in two soil types of Botswana
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 11-14. p. 468-478.

Periodical articleKiazolu, J.S.; Komane, N.; Ramolemana, G. (1993)
Nodulation of legume cultivars grown in Sebele sandy loam soil
UNISWA Journal of Agriculture. Volume 2. p. 11-19.

Periodical articleKibirige-Ssebunya, I.; Nabasirye, M.; Matovu, J.; Musoli, P. (1993)
A comparison among various robusta coffee (coffea canephora Pierre) clonal materials and their seedling progenies at different levels of nitrogen
Uganda Journal of Agricultural Sciences. Volume 1 #1. December. p. 5-12.

Periodical articleOwuor, P.O.; Wanyoko, J.K.; Othieno, C.O. (1993)
Effects of rates and ratios of nitrogenous and potash fertilizers on tea in the eastern highlands of Kenya: Pt. 2. Leaf nutrient contents
Tea. Volume 14 #2. December. p. 78-88.

Periodical articleOwuor, P.O.; Wanyoko, J.K.; Othieno, C.O.; Sudoi, V. (1993)
Effects of rates and ratios of nitrogenous and potash fertilizers on tea in the Eastern Highlands of Kenya: Pt. 1. Yields
Tea. Volume 14 #2. December. p. 73-77.

Periodical articleSigunga, D.O. (1993)
Effects of nitrogen sources on growth and nutrient uptake by wheat, agropyron, and their hybrid grown in variable- and constant-pH culture solutions
Discovery and Innovation. Volume 5 #2. June. p. 167-173.

Periodical articleBholah, M.A.; Ng Kee Kwong, K.F.; Deville, J. (1992)
Field experimentation to set up fertilizer nitrogen recommendations for sugar cane in Mauritus
Revue agricole et sucrière de l'île Maurice. Volume 71 #2-3. mai-décembre. p. 286-289.

Periodical articleIdem, N.U.A.; Onyibe, J.E. (1992)
Influence of variety, applied nitrogen, and plant density on yield and yield components of sorghum, Sorghum bicolor (L.) Moench
Discovery and Innovation. Volume 4 #3. September. p. 79-87.

Periodical articleMaobe, S.N.; Chweya, J.A. (1992)
Influence of seedling age and nitrogen application method on dry and matter production and nitrogen uptake of lowland rice cultivated on an alfisol
East African Agricultural and Forestry Journal. Volume 57 #3 & 4. January-April. p. 163-171.

Periodical articleNgongola, D.H. (1992)
Optimum nitrogen demand models for improved maize varieties in central Malawi: the case of Lilongwe Rural Development Project
Malawi Journal of Science & Technology. Volume 1 #1. July. p. 39-48.

Periodical articleObiagwu, C.J. (1992)
Greenhouse evaluation of transformation of 15N-enriched urea under varying management systems. Pt. 2. Determination of the rates of reactions
East African Agricultural and Forestry Journal. Volume 57 #3 & 4. January-April. p. 231-237.

Periodical articleObiagwu, C.J. (1992)
Greenhouse evaluation of transformation of 15N-enriched urea under varying management systems. Pt. 1. Thermodynamic relationship and the stable products of ureolyis
East African Agricultural and Forestry Journal. Volume 57 #3 & 4. January-April. p. 217-229.

Search: su=Nitrogen
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