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Found: 59 | Record 1-59 |
Govere, E.M.; Chien, S.H.; Fox, R.H. (2003) | |
Agronomic effectiveness of novel phosphate fertilisers derived from an igneous Zimbabwe phosphate rock | |
African Crop Science Journal. Volume 11 #3. September. p. 235-243. |
Chalchissa, Lelissa; Demeke, Mulat (2002) | |
The Determinants of Adoption and Intensity of Fertilizer Use in Ejere District, West Shewa Zone, Ethiopia | |
Ethiopian Journal of Development Research. Volume 24 #1. April. p. 28-57. |
Berga L.; Siriri, D.; Ebanyat, P. (2001) | |
Effect of soil amendments on bacterial wilt incidence and yield of potatoes in southwestern Uganda | |
African Crop Science Journal. Volume 9 #1. March. p. 267-278. |
Cheruiyot, E.K.; Mumera, L.M.; Nakhone, L.N.; Mwonga, S.M. (2001) | |
Rotational effects of grain legumes on maize performance in the Rift Valley highlands of Kenya | |
African Crop Science Journal. Volume 9 #4. December. p. 667-676. |
Ekpe, E.O.; Chinaka, C.C. (2000) | |
An assessment of cassava mosaic disease severity in cassava-maize mixture at different NPK levels | |
African Crop Science Journal. Volume 8 #3. September. p. 311-316. |
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. |
Semalulu, O.; Butegwa, C.N. (2000) | |
Fertiliser use: one of the keys to attaining and sustaining higher crop yields | |
Uganda Journal of Agricultural Sciences. Volume 5 #1. June. p. 73-77. |
Byabagambi, S.; Kyamanywa, S.; Ogenga-Latigo, M.W. (1999) | |
Effect of fertiliser and mulching on bean infestation and damage by bean fly | |
African Crop Science Journal. Volume 7 #4. December. p. 599-604. |
Kamanga, B.C.G.; Kanyama-Phiri, G.Y.; Minae, S. (1999) | |
Intercropping perennial legumes for green manure additions to maize in southern Malawi | |
African Crop Science Journal. Volume 7 #4. December. p. 355-363. |
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. |
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. |
Kasasa, P.; Mpepereki, S.; Musiyiwa, K.; Makonese, F.; Giller, K.E. (1999) | |
Residual nitrogen benefits of promiscuous soybeans to maize under field conditions | |
African Crop Science Journal. Volume 7 #4. December. p. 375-382. |
Mwato, I.L.; Mkandawire, A.B.C.; Mughogho, S.K. (1999) | |
Combined inputs of crop residues and fertiliser for smallholder maize production in southern Malawi | |
African Crop Science Journal. Volume 7 #4. December. p. 365-373. |
Olanipekun, E.O. (1999) | |
Kinetics of dissolution of phosphorite in acid mixtures | |
Bulletin of the Chemical Society of Ethiopia. Volume 13 #1. June. p. 63-70. |
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. |
Woomer, P.L.; Karanja, N.K.; Okalebo, J.R. (1999) | |
Opportunities for improving integrated nutrient management by smallhold farmers in the central highlands of Kenya | |
African Crop Science Journal. Volume 7 #4. December. p. 441-454. |
Atachi, P.; Van den Berghe, C.; Adamon, Y.N. (1998) | |
Effets des engrais azotes, phosphates et potassiques sur la dynamique des populations de maruca testulalis (Geyer) en culture de niébé dans un agrosysteme du Sud Benin | |
Insect Science and its Application. Volume 18 #4. October-December. p. 307-317. |
Ebanyat, P.; Bekunda, M.A. (1998) | |
Short-term agronomic potential of Busumbu phosphate rock on selected acid soils of Uganda | |
MUARIK Bulletin. Volume 1. p. 73-82. |
Edje, O.T.; Krumpak, A.; Boh, B. (1998) | |
Studies with water absorbing polymers: Pt. 1. Water absorption and seedling growth | |
UNISWA Research Journal of Agriculture, Science and Technology. Volume 2 #1. June. p. 154-162. |
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. |
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. |
Owuor, P.O.; Wanyoko, J.K.; Obanda, M.; Othieno, C.O. (1998) | |
Potash and phosphorus fertilizers on black tea quality in the western Kenya highlands | |
Tea. Volume 19 #1. July. p. 43-48. |
Eneji, A.E.; Agboola, A.A.; Ubi, B.E. (1997) | |
Effect of farmyard manure and NPK fertilizers on growth and yield of maize + sweet potato intercrop in South-Western Nigeria | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 487-497. |
Ismail, A.S.; El-Haddad, M.E.; Abdel-Wahab, S.M.; Aboel-Soud, A.A. (1997) | |
Studies on N-fixation by soybean and peanut crops under various soil characteristics, inoculation and N-fertilisation | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 341-348. |
Karanja, N.K.; Mwala, A.K.; Woomer, P.L.; Haru, R.W. (1997) | |
Response of glycine max (L.) Merill and phaseolus vulgaris L. to rhizobia inoculation, nitrogen and phosphorus fertilisation in Kenya | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 323-330. |
Kumwenda, J.D.T.; Saka.A.R.; Ganunga, R.P. (1997) | |
Long-term effects of the Tundulu rock phosphate and diammonium phosphate on maize yield in Malawi | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 527-537. |
Mkandawire, A.B.C.; Mpahangwe, N.I.K.; Mangwele, A.N.; Lupwayi, N.Z. (1997) | |
Biological nitrogen fixation in African common bean (phaseolus vulgaris L.) genotypes | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 315-322. |
Mochoge, B.O.; Kanyanja, S.; Obanyi, S. (1997) | |
Response of maize, maize-cowpea intercrop and pigeonpea to N and P fertilizers, and farmyard manure | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 439-448. |
Mwange, K.N.K.; Mbaya, N.; Luyindula, N. (1997) | |
Nitrogen uptake by zea mays var. Kasai as affected by tree legume green leaves fertilisation | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 449-457. |
Ng Kee Kwong, K.F.; Paul, J.P. (1997) | |
Vinasse as a potassium fertilizer for sugar cane | |
Revue agricole et sucrière de l'île Maurice. Volume 76 #2. mai-août. p. 34-37. |
Onyango, M.A.; Kidula, N.; Makini, F.W.; Kwach, J.; Okoko, E.N.; Otieno, J.; Nzabi, A.W.; Dyck, E. (1997) | |
Participatory on-farm evaluation of organic manure and inorganic fertilizer use on maize in southwest Kenya | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 385-391. |
Owuor, P.O. (1997) | |
Fertilizer use in tea: the case of nitrogen | |
Tea. Volume 18 #2. December. p. 132-143. |
Sastry, K.P.; Kumar, D.; Saleem, S.M.; Radhakrishnan, K. (1997) | |
Effect of phosphorus on growth of pyrethrum plants (chrysanthemum cinerariaefolium) and on flower yields | |
Pyrethrum Post. Volume 19 #4. June. p. 132-138. |
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. |
Wanyoko, J.K. (1997) | |
Advances in fertilizer use in Kenyan tea industry | |
Tea. Volume 18 #2. December. p. 123-131. |
Woomer, P.L.; Karanja, N.K.; Mekki, E.I.; Mwakalombe, B.; Tembo, H.; Nyika, M.; Silver, M.; Nkwiine, C.; Ndakidemi, P.; Msumali, G. (1997) | |
Indigenous populations of rhizobia, legume response to inoculation and farmer awareness of inoculants in East and Southern Africa | |
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 297-308. |
Lupwayi, N.Z.; Mkandawire, A.B.C. (1996) | |
Phosphorus, sulphur and molybdenum effects on response of phaseolus beans to inoculation with rhizobium in Malawi | |
African Crop Science Journal. Volume 4 #3. September. p. 359-364. |
Lupwayi, N.Z.; Pelekani, C.; Mkandawire, A.B.C. (1996) | |
Phosphorus adsorption characteristics of some soils in Malawi | |
Zimbabwe Journal of Agricultural Research. Volume 34 #2. p. 153-161. |
Nyakatawa, E.Z.; Brown, M.; Maringa, D. (1996) | |
Maize and sorghum yields under tied ridges of fertilised sandy soils in semi-arid south-east lowveld of Zimbabwe | |
African Crop Science Journal. Volume 4 #2. June. p. 197-206. |
Kwakye, P.K.; Wapastda, S.J. (1995-1996) | |
Phosphorus requirement of onion (allium cepa L.) in the Sudan savanna zone of Nigeria | |
Ghana Journal of Agricultural Science. Volume 28-29. p. 53-59. |
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) | |
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. |
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. |
Owusu-Bennoah, E.; Nutsukpo, D.K.; Adu-Amankwa, P.; Ahenkorah, Y. (1995-1996) | |
Effect of different levels of N/K2O ratios on the yield and quality of pineapple in forest-savanna ecotone of Ghana | |
Ghana Journal of Agricultural Science. Volume 28-29. p. 45-51. |
Otieno, W. (1995) | |
Vesicular-arbuscular mycorrhiza (VAM) in roots of tea (camellia sinensis (L.) O. Kuntze) | |
Tea. Volume 16 #2. December. p. 115-118. |
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. |
Nyemba, Jean Ambela (1994) | |
A study of factors affecting farmers' continuous purchase and use of chemical fertilizers in the West Province of Cameroon | |
Discovery and Innovation. Volume 6 #1. March. p. 110-115. |
Chanda, M.W.; Boukharov, G.N.; Nkonde, G.N. (1993) | |
Preliminary investigations of the strength properties of the Chilembwe phosphate ore: how it can be done with a limited amount of the core material | |
Zambian Journal of Applied Earth Sciences. Volume 7 #1. March. p. 26-32. |
Simukanga, S. (1993) | |
The electrokinetics of apatite, calcite and magnetite from Kaluwe phosphate ore in aqueous solutions | |
Zambian Journal of Applied Earth Sciences. Volume 7 #1. March. p. 1-8. |
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. |
Wanyoko, J.K.; Mwakha, E. (1991) | |
Enriched organic manures versus NPKS fertilizer on seedling tea: Pt. 1. Soil chemical properties and nutrient uptake | |
Tea. Volume 12 #1. July. p. 14-24. |
Emongor, V.E.; Chweya, J.A.; Keya, S.O.; Munavu, R.M. (1989) | |
The effect of nitrogen and phosphorus on growth and flower yield of chamomile | |
East African Agricultural and Forestry Journal. Volume 55 #1-2. July-October. p. 63-67. |
Ibrahim, E.A.S.; Modawi, R.S.; Houron, A.E.O. (1989) | |
The effect of seed rate, nitrogen fertilizer, and cutting time on forage yield and quality of Phillipesara | |
East African Agricultural and Forestry Journal. Volume 55 #1-2. July-October. p. 45-51. |
Odhiambo, H. (1989) | |
Nitrogen rates and plucking frequency on tea: the effect of plucking frequency and nitrogenous fertilizer rates on yield and yield components of tea, (camellia sinesis (L.) O. Kuntze) in Kenya | |
Tea. Volume 10 #2. December. p. 90-96. |
Owuor, P. (1989) | |
High rates of nitrogen on tea: effects on productivity and plant nutritional status | |
Tea. Volume 10 #2. December. p. 103-117. |
Sudoi, V. (1989) | |
Effects of nitrogen fertilizers on yield and the incidence of mites attacking tea in Kenya: preliminary indications | |
Tea. Volume 10 #2. December. p. 187-191. |
Wanyoko, J. (1989) | |
Effects of low rates of nitrogen fertilizer on yields of tea | |
Tea. Volume 10 #2. December. p. 97-102. |
Search: su=Chemical fertilizers | ||||||||
Found: 59 | Record 1-59 |
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