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| Found: 123 | Record 1-100 |  |
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 | Abuaku, E.; Frimpong, K.A.; Osei, B.A.; Verstraete, W. (2006) |
 | Bio-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. |
| Bayorbor, 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. |
| Kibe, 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. |
| Bismarck, N.H.; Jérôme, B.; Boureïma, D.; Luc, A. (2004) |
| Effects 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. |
| Nyeko, P.; Edwards-Jones, G.; Day, R.K.; Ap-Dewi, I. (2004) |
| Effects 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. |
| Senzia, 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. |
| Barik, S. (2003) |
| Role of potassium and nitrogen on sugar concentration of sugar beet |
| African Crop Science Journal. Volume 11 #4. December. p. 259-268. |
| Ichir, L.L.; Ismaili, M. (2003) |
| Recovery 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. |
| Kamau, 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. |
| Kamoni, P.T.; Mburu, M.W.K.; Gachene, C.K.K. (2003) |
| Influence 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. |
| Kihanda, F.M. (2003) |
| Effect 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. |
| Mati, G.N.; Mburu, M.W.K.; Kurji, P.N.; Shibairo, S.I. (2003) |
| Effects 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. |
| Mugendi, D.N.; Kanyi, M.; Kung'u, J.B.; Wamicha, W.; Mugwe, J.N. (2003) |
| The 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. |
| Nyamangara, J.; Piha, M.I.; Giller, K.E. (2003) |
| Effect 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. |
| Said, M.; Itulya, F.M. (2003) |
| Intercropping 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. |
| Wamuongo, J.W.; Esilaba, A.O.; Miriti, J.M.; Mwangi, J.N.; Kimani.S.K. (2003) |
| The 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. |
| Mbonigaba, 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. |
| Inambao, F.L.; Mosweu, M. (2001) |
| Oxides of nitrogen in diesel engines: formation, effects and control |
| Botswana Journal of Technology. Volume 10 #2. October. p. 41-48. |
| Kanzikwera, C.R.; Tenywa, J.S.; Osiru, D.S.O.; Adipala, E.; Bhagsari, A.S. (2001) |
| Interactive 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. |
| Kanzikwera, 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. |
| Mkhabela, M.S.; Mkhabela, M.S.; Pali-Shikhulu, J.S. (2001) |
| Response 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. |
| Mugabe, F.T.; Banga, D.J. (2001) |
| Assessment 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. |
| Munguri, M.W.; Mariga, I.K.; Chivinge, O.; Musambasi, D. (2001) |
| The 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. |
| Balesh T.; Salema, M.P. (2000) |
| Response of bread wheat to increasing mustard meal nitrogen application on pellic vertisol and eutric nitosol |
| Sinet. Volume 23 #1. June. p. 53-66. |
| Esilaba, A.O.; Reda, F.; Ransom, J.K.; Wondimu B.; Gebremehdin W.; Beyenesh Z. (2000) |
| Integrated nutrient management strategies for soil fertility improvement and striga control in northern Ethiopia |
| African Crop Science Journal. Volume 8 #4. December. p. 403-410. |
| Gathungu, G.K.; Shibairo, S.I.; Githiri, S.M.; Mburu, M.W.K.; Ojiambo, P.S.; Kidanemariam, H.M. (2000) |
| Effect 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. |
| Kanzikwera, 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. |
| Kanzikwera, C.R.; Osiru, D.S.O.; Tenywa, J.S.; Adipala, E.; Bhagsari, A.S. (2000) |
| Effect 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. |
| Lelei, J.J.; Mochoge, B.O.; Onwonga, R.N. (2000) |
| Effect 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. |
| Maman, N.; Mason, S.C.; Sirifi, S. (2000) |
| Influence 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. |
| Mvukiye, N.E.; Msumali, G.P. (2000) |
| Potential 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. |
| Negussie R.; Neilson, R.H. (2000) |
| N-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. |
| Quansah, C.; Safo, E.Y.; Ampontuah, E.O.; Amankwah, A.S. (2000) |
| Soil 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. |
| Tenaw W. (2000) |
| Effect of nitrogen fertiliser rates and plant density on grain yield of maize |
| African Crop Science Journal. Volume 8 #3. September. p. 273-282. |
| Alawa, J.P. (1999) |
| Rumen 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. |
| Kamau, 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. |
| Kamau, 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. |
| Negussie R.; Neilson, R.H. (1999) |
| Synthesis 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. |
| Ng'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. |
| Njui, N.A.; Musandu, A.A.O. (1999) |
| Response of maize to phosphorus fertilisation at selected sites in western Kenya |
| African Crop Science Journal. Volume 7 #4. December. p. 397-406. |
| Okalebo, J.R.; Palm, C.A.; Gichuru, M.; Owuor, J.O.; Othieno, C.O.; Munyampundu, A.; Muasya, R.M.; Woomer, P.L. (1999) |
| Use 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. |
| Sallah, P.Y.K.; Twumasi-Afriyie, S. (1999) |
| Studies 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. |
| Selamyihun K.; Tanner, D.G.; Tekalign M. (1999) |
| Effect 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. |
| Belewu, M.A. (1998) |
| Nitrogen 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. |
| Kamau, 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. |
| Kamau, 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. |
| Sallah, P.Y.K.; Ehlke, N.J.; Geadelmann, J.L. (1998) |
| Progress from selection in la posta maize population evaluated under three nitrogen fertilizer levels |
| African Crop Science Journal. Volume 6 #3. September. p. 241-248. |
| Wortmann, C.; Silver-Rwakaikara, M.; Lynch.J. (1998) |
| Efficiency of nitrogen acquisition and utilisation in common bean in Uganda |
| African Crop Science Journal. Volume 6 #3. September. p. 273-282. |
| Chui, 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. |
| Hikwa, D.; Mugwira, L.M. (1997) |
| Response 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. |
| Kanaventi, C.M. (1997) |
| Screening maize varieties for tolerance to low nitrogen environment | |
| African Crop Science Conference Proceedings. Volume 3 #1. October. p. 577-583. |
| Latiri-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. |
| Macharia, 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. |
| Metho, 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. |
| Musandu, 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. |
| Mwakalombe, 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. |
| Ntone, 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. |
| Owuor, P.O. (1997) |
| Fertilizer use in tea: the case of nitrogen | |
| Tea. Volume 18 #2. December. p. 132-143. |
| Singels, 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. |
| Tenywa, J.S. (1997) |
| Influence 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. |
| Vilakazi, 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. |
| Wanyoko, J.K. (1997) |
| Advances in fertilizer use in Kenyan tea industry | |
| Tea. Volume 18 #2. December. p. 123-131. |
| Wanyoko, 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. |
| Ogwang, 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. |
| Bagayoko, 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. |
| Baiyeri, 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. |
| Daniel 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. |
| Mafongoya, 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. |
| Ng 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. |
| Njoroge, 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. |
| Owuor, P.O.; Wanyoko, J.K. (1996) |
| Rationalization of nitrogen fertilizer use in tea production | |
| Tea. Volume 17 #2. December. p. 53-59. |
| Sanchez, P.; Palm, C. (1996) |
| Nitrogen and phosphorus in African soils: what role for agroforestry? | |
| Agroforestry Today. Volume 8 #5. October-December. p. 14-16. |
| Wanyoko, 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. |
| Wortmann, 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. |
| Kwakye, P.K.; Aforo, D. (1995-1996) |
| Comparative 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. |
| Okpara, D.A.; Omaliko, C.P.E. (1995-1996) |
| Effects 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. |
| Okpara, D.A.; Omaliko, C.P.E. (1995-1996) |
| Forage 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. |
| Owuor, 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. |
| Wanyoko, 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. |
| Bareeba, 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. |
| Chemining'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. |
| Dogo, 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. |
| Gholap, 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. |
| Nkambule, 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. |
| Owuor, 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. |
| Owuor, 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. |
| Ruto, 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. |
| Aganga, 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. |
| Kiazolu, 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. |
| Kiazolu, 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. |
| Kibirige-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. |
| Owuor, 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. |
| Owuor, 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. |
| Sigunga, 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. |
| Bholah, 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. |
| Idem, 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. |
| Maobe, 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. |
| Ngongola, 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. |
| Obiagwu, 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. |
| Obiagwu, 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. |
| Search: su=Nitrogen | ||||||||
| Found: 123 | Record 1-100 | |
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