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Search: su=Agricultural systems
Found: 100 Record 1-100

Periodical articleHabtemariam K.; Mulugeta A. (2010)
Will the specialization or involution thesis hold for smallholder mixed farming systems for Harar Highlands? rethinking research direction and intervention options for sustainable smallholder agriculture development in Ethiopia
Journal of Agriculture and Development. Volume 2010 #1 (1). February. p. 14-42.

Periodical articleOwusu-Sekyere, E.; Nakashima, K.; Wakatsuki, T. (2010)
Extending cocoa agroforestry into sawah ecosystem in Ghanaian inland valleys
Ghana Journal of Agricultural Science. Volume 43. p. 37-44.

Periodical articleBanful, B.; Ofori, K.; Kumaga, F.; Hauser, S.; Ndango, R. (2008)
See this publicationDecomposition and nutrient release patterns of pueraria phaseoloides, flemingia macrophylla and chromolaena odorata leaf residues in tropical land use systems
Ghana Journal of Agricultural Science. Volume 41 #1. p. 11-22.

Periodical articleEzeaku, P.I.; Mbah, C.N. (2008)
Integrating land evaluation and farming systems analysis into a database for land use planning and management in Nigerian Guinea Savanna agroecology
East African Agricultural and Forestry Journal. Volume 74 #3. July. p. 159-168.

Periodical articleBolfrey-Arku, G.E.-K.; Onokpise, O.U.; Carson, A.G.; Shilling, D.G.; Coultas, C.C. (2006)
See this publicationThe speargrass (Imperata cylindrica (L) beauv.) menace in Ghana: incidence, farmer perceptions and control practices in the forest and forest- savanna transition agro-ecological zones of Ghana
West African Journal of Applied Ecology. Volume 10. p. 177-188.

Periodical articleKombiok, J.M.; Safo, E.Y.; Quansah, C. (2006)
See this publicationEffects of tillage and cropping systems on yield and nitrogen fixation of cowpea intercropped with maize in Northern Guinea savanna zone of Ghana
Ghana Journal of Agricultural Science. Volume 39 #1. p. 61-75.

Periodical articleKabuli, A.; Phiri, M.A.R; Khalil, E.A. (2005)
Economic assessment of the benefits of soybeans incorporation in smallholder maize-based farming systems and the factors affecting its adoption in Malawi
African Crop Science Conference Proceedings. Volume 7 #pt. 2 of 3. 5-9 Dec.. p. 881-885.

Periodical articleKalungi, E.; Kanzikwera, R.; Birungi, P.; Mukalazi, J. (2005)
Farming systems and livelihood sources of communities in the Lake Albert Crescent agro-ecological zone
African Crop Science Conference Proceedings. Volume 7 #pt. 2 of 3. 5-9 Dec.. p. 753-757.

Periodical articleMloza-Banda, H.R. (2005)
Integrating new trends in farming systems approaches in Malawi
African Crop Science Conference Proceedings. Volume 7 #pt. 2 of 3. 5-9 Dec.. p. 961-966.

Periodical articleMtatifikolo, F.; Comoro, C. (2005)
Population dynamics, poverty, and farming systems: case study of intensive tomato growing in Iringa, Tanzania
Utafiti. Volume 6 #2. December. p. 25-49.

Periodical articleObuo, J.P.; Barton, D.; Agobe, F.; O'Neill, D. (2005)
the impact of ox-weeding on the livelihoods of poor smallholder farmers in the Teso farming system
African Crop Science Conference Proceedings. Volume 7 #pt. 03 of 03. December. p. 1437-1441.

Periodical articleBrummett, R.; Jamu, D.; Jere, J.; Pouomogne, V. (2004)
A farmer-participatory approach to aquaculture technology development & dissemination
Uganda Journal of Agricultural Sciences. Volume 9 #1, pt. 2. September. p. 530-536.

Periodical articleDjang-Fordjour, K.T.; Oppong-Anane, K.; Annor, S.Y. (2004)
See this publicationHerd/flock structure and culling patterns in rural livestock farming systems in Northern Ghana
Discovery and Innovation. Volume 16 #1-2. June. p. 64-70.

Periodical articleEledu, C.A.; Karamura, E.; Tushemereirwe, W.K. (2004)
See this publicationAgroecological distribution of banana systems in the Great Lakes Region
African Crop Science Journal. Volume 12 #1. March. p. 33-42.

Periodical articleFerede, Setotaw; Ayel, Gezahegn; Teklewold, Hailemariam (2004)
Technological Change and Farm Household Food Security in Moretna Jiru District of the Central Highlands of Ethiopia
Ethiopian Journal of Development Research. Volume 26 #1. April. p. 117-139.

Periodical articleKaramura, D.; Mgenzi, B. (2004)
See this publicationOn farm conservation of Musa diversity in the Great Lakes Region of East Africa
African Crop Science Journal. Volume 12 #1. March. p. 75-83.

Periodical articleObuo, J.E.P.; Omadi, J.R.; Okwang, D.; Okurut-Akol, H. (2004)
Pigeon pea seed production and delivery system: experience from the Lango farming system
Uganda Journal of Agricultural Sciences. Volume 9 #1, pt. 2. September. p. 645-650.

Periodical articleOkech, S.H.; Gold, C.S.; Abele, S.; Nankinga, C.; Wetala, P.M.; Van Asten, P.; Nambuye, A.; Ragama, P.E. (2004)
Agronomic, pests and economic factors influencing sustainability of banana-coffee systems of Western Uganda and potentials for improvement
Uganda Journal of Agricultural Sciences. Volume 9 #1, pt. 2. September. p. 432-444.

Periodical articleSseguya, H.; Mangheni, M.N.; Semana, A.R.; Oumo, F.I. (2004)
Factors affecting effective performance of rural producers' organizations in the Teso farming system, Uganda
Uganda Journal of Agricultural Sciences. Volume 9 #1, pt. 1. September. p. 38-44.

Periodical articleSsewannyana, E.; Mukasa, B. (2004)
Assessment of the potential productivity of pigs in the Teso and Lango farming systems, Uganda: a case study
Uganda Journal of Agricultural Sciences. Volume 9 #1, pt. 2. September. p. 549-553.

Periodical articleMulhall, A.; Turrall, A.; Okwadi, J.; Emurut, J.; Ocan, J.; Omadi, R. (2003)
Communication strategies for improved uptake of agricultural research outputs: the agricultural information context in Teso and Lango farming systems
Uganda Journal of Agricultural Sciences. Volume 8 #1. January. p. 415-426.

Periodical articleOkullo, J.B.L.; Obua, J.; Kaboggoza, J.R.S.; Aluma, J. (2003)
Traditional agroforestry systems, tree uses and management in Northern Uganda
Uganda Journal of Agricultural Sciences. Volume 8 #3. November. p. 5-12.

Periodical articleAdu-Dapaah, H.K.; Oppong-Konadu, E.Y. (2002)
See this publicationTomato production in four major tomato-growing districts in Ghana: farming practices and production constraints
Ghana Journal of Agricultural Science. Volume 35. p. 11-22.

Periodical articleJones, Richard (2002)
Emergency Seed: Life Saviour or Empty Chalice?
Kenya Past and Present. #33. p. 47-54.

Periodical articleKusina, N.T.; Kusina, J.F. (2002)
A survey on goat production in a semi-arid smallholder farming area situated in the north of Zimbabwe
Journal of Applied Science in Southern Africa. Volume 8 #1. p. 16-24.

Periodical articleLegesse, Belaineh (2002)
Rural Livelihoods: Heterogeneous Perspectives, Objectives and Constraints (Cases from Kersa and Babile Woredas, Eastern Highlands of Ethiopia)
Ethiopian Journal of Development Research. Volume 24 #2. October. p. 40-72.

Periodical articleMiiro, R.; Esilaba, A.; Soniia, D. (2002)
Integration and dissemination of green manure cover crops in small scale farmings systems: successes and constraints in Eastern Uganda
MUARIK Bulletin. Volume 5. p. 59-68.

Periodical articleMine, O.M.; Madibela, O.R.; Motlhanka, D.M.T. (2002)
See this publicationA potential strategy for research to improve small stock nutrition under the traditional farming system in Botswana
Botswana Notes and Records. Volume 34. p. 55-65.

Periodical articleUgbomeh, G.M.M. (2002)
See this publicationSocio-economic characteristics of duck farmers in Ughelli North and South local government areas of Delta State of Nigeria: implications for food security
Ghana Journal of Science. Volume 42. p. 49-60.

Periodical articleAlimi, T. (2001)
Economic rationale of integration in poultry production system
Lesotho Social Sciences Review. Volume 7 #2. November. p. 138-156.

Periodical articleMpofu, D.B. (2001)
AGOA, agricultural practice and trade
Southern Africa Political & Economic Monthly. Volume 14 #6. p. 13-14.

Periodical articleOdhiambo, T.R. (2001)
See this publicationPositioning African agriculture for food for the first decade of the twenty-first century
African Journal of Food and Nutritional Security. Volume 1 #1. January. p. 3-11.

Periodical articleBeyene T.; Assefa A.; Croppenstedt, A. (2000)
The impact of agricultural extension on farm productivity
Ethiopian Journal of Agricultural Economics. Volume 4 #1-2. February. p. 23-50.

Periodical articleDube, M.A.; Bhembe, V.L. (2000)
See this publicationExtension workers' opinions regarding the influence of the national maize competition on farmers practices in the Manzini Region, Swaziland
UNISWA Journal of Agriculture. Volume 9. p. 104-108.

Periodical articleMogaka, H.R.; Emerton, L. (2000)
Tharaka's hidden harvest
Ecoforum. Volume 24 #4. short rains. p. 42-44.

Periodical articleYankson, P.W.K. (2000)
Open space farming within urban areas in Ghana: the case of Accra
Bulletin of the Ghana Geographical Association. #22. July. p. 41-54.

Periodical articleAutrey, L.J.-C. (1999)
Sustainable agricultural practices: with special reference to the sugar industry in Mauritius
Prosi. Volume 31 #364. mai. p. 44-48.

Periodical articleChivasa, W.; Chiduza, C.; Munamati, L. (1999)
See this publicationImpact of participatory research on assessment of farming systems on overall adoption of new cropping technology by smallholder farmers in semi-arid area of Zimbabwe
Journal of Applied Science in Southern Africa. Volume 5 #2. p. 123-140.

Periodical articleKarbo, N.; Bruce, J.; Langyintuo, A.; Dittoh, S.; Yidana, J. (1999)
See this publicationIndigenous knowledge on 'siella' and its role in the farming systems of Northern Ghana
Ghana Journal of Agricultural Science. Volume 32. p. 59-67.

Periodical articleMugisa, T.K.; Ngategize, P.K.; Sabiiti, E.N. (1999)
See this publicationDeterminants and impact of integration of forage legumes in crop/livestock systems in peri-urban areas of central Uganda
African Crop Science Journal. Volume 7 #4. December. p. 591-598.

Periodical articleNekesa, P.; Maritim, H.K.; Okalebo, J.R.; Woomer, P.L. (1999)
See this publicationEconomic analysis of maize-bean production using a soil fertility replenishment product (PREP-PAC) in western Kenya
African Crop Science Journal. Volume 7 #4. December. p. 585-590.

Periodical articleOyediran, I.O.; Heinrichs, E.A. (1999)
See this publicationSeasonal abundance of rice-feeding insects and spiders in continuously cropped lowland rice in West Africa
Insect Science and its Application. Volume 19 #2-3. April-Sept.. p. 121-129.

Periodical articleShisanya, C.A. (1999)
Farming systems characteristics in semi-arid southeast Kenya: resource base, production dynamics and the way forward
Chemchemi. Volume 1. December. p. 56-74.

Periodical articleSseguya, H.; Semana, A.R.; Bekunda, M.A. (1999)
See this publicationSoil fertility management in the banana-based agriculture of central Uganda: farmers' constraints and opinions
African Crop Science Journal. Volume 7 #4. December. p. 559-567.

Periodical articleTenywa, M.M.; Isabirye, M.I.; Lal, R.; Lufafa, A.; Achan, P. (1999)
See this publicationCultural practices and production constraints in smallholder banana-based cropping systems of Uganda's Lake Victoria basin
African Crop Science Journal. Volume 7 #4. December. p. 613-623.

Periodical articleTete-Mensah, I.; Dowuona, G.N.; Adiku, S.G.K.; Bonsu, M. (1999)
See this publicationEvaluation of the effects of some agroforestry practices on selected properties of soils in a subhumid zone of Ghana
Ghana Journal of Agricultural Science. Volume 32. p. 153-158.

Periodical articleAnonymous (1998)
Large scale possibilities for integrated farming, deer and ostrich farming, as well as plant, fruit, flower and honey production
Prosi. Volume 30 #359. déc.. p. 50-51.

Periodical articleBanda, J.W.; Mtukuso, A.P.; Jere, J.A. (1998)
Small ruminants in smallholder crop/livestock systems in Malawi: identification and prioritisation of constraints
UNISWA Research Journal of Agriculture, Science and Technology. Volume 2 #1. June. p. 180-183.

Periodical articleKadohira, M.; Mweene, A.S.; Samui, K.L. (1998)
Prevalence and risk factors of bovine viral diarrhea and infectious bovine rhinotracheitis in traditional cattle in Lusaka Province, Zambia
Zambian Journal of Veterinary Science. Volume 2. December. p. 1-9.

Periodical articleKambarage, D.M.; Chilongola, J.O.; Kusiluka, L.J.M.; Mtambo, M.M.A.; Kazwala, R.R. (1998)
Coccidiosis in agro-pastoral goats in Morogoro District, Tanzania
Tanzania Veterinary Journal. Volume 18 #1. March. p. 30-36.

Periodical articleKarbo, N.; Bruce, J.; Nyamekye, A.L.; Fianu, F.K. (1998)
See this publicationEffective management of pigeon pea (Cajanus cajan) in a crop/livestock integrated farming system in Northern Ghana
Ghana Journal of Agricultural Science. Volume 31. p. 161-167.

Periodical articleKunzi, Erwin; Droz, Yvan; Maina, Francisca; Wiesmann, Urs (1998)
Patterns of Peasant Livelihood Strategies: Local Actors and Sustainable resource Use
Eastern and Southern Africa Geographical Journal. Volume 8. September. p. 55-65.

Periodical articleNyathi, P. (1998)
See this publicationThe value of trees in low input agriculture systems in Zimbabwe
Transactions of the Zimbabwe Scientific Association. Volume 72 #Supplement. p. 55-59.

Periodical articleAppiah, M.R.; Sackey, S.T.; Ofori-Frimpong, K.; Afrifa, A.A. (1997)
See this publicationThe consequences of cocoa production on soil fertility in Ghana: a review
Ghana Journal of Agricultural Science. Volume 30 #2. p. 183-190.

Periodical articleEsilaba, A.O.; Reda, F.; Mulatu, T.; Ransom, J.K.; Woldewahid, G.; Tesfaye, A.; Fitwy, I.; Abate, G. (1997)
Participatory rural appraisal on striga in the northern Ethiopian highlands
African Crop Science Conference Proceedings. Volume 3 #pt. 2. October. p. 895-902.

Periodical articleOkantah, S.A.; Oddoye, E.O.K.; Obese, F.Y.; Gyawu, P.; Asante, Y. (1997)
See this publicationCharacterization of peri-urban dairy production system in Ghana. Pt. 1. Social attributes and characteristics of the production environment
Ghana Journal of Agricultural Science. Volume 30 #2. p. 87-94.

Periodical articleOkigbo, B.N. (1997)
Peculiarities of traditional African agriculture and their potential use in designing sustainable agricultural systems
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 23-40.

Periodical articleSama, J.N. (1997)
Raising income level of farmers on Swazi nation land: a farm planning and extension approach
UNISWA Journal of Agriculture. Volume 6. p. 5-14.

Periodical articleWortmann, C.S.; Kaizzi, C.K. (1997)
Nutrient balances for farming systems of eastern and central Uganda: current status and expected effects of alternative practices
African Crop Science Conference Proceedings. Volume 3 #1. October. p. 255-262.

Periodical articleBerthelot, P.B; Mundil, K.; Rajkomar, B.; Govinden, N. (1996)
Agriculture in Rodrigues. Pt. 6. A case study in the use of farming systems research methodology
Revue agricole et sucrière de l'île Maurice. Volume 75 #3. septembre-décembre. p. 38-43.

Periodical articleBerthelot, P.B.; Mundil, K.; Rajkomar, B.; Govinden, N. (1996)
Agriculture in Rodrigues. Pt. 4. Farming systems and their dynamics
Revue agricole et sucrière de l'île Maurice. Volume 75 #3. septembre-décembre. p. 22-28.

Periodical articleFleischer, J.E.; Allotey, A.J.; Heathcote, I. (1996)
See this publicationHerbage productivity of the Winneba plains of Ghana
Ghana Journal of Agricultural Science. Volume 29 #2. p. 9-14.

Periodical articleOsei-Bonsu, K.; Appiah, M.R.; Amoah, F.M.; Oppong, F.K. (1996)
See this publicationShea (vitellaria paradoxa) intercropping systems in northern Ghana: effect of cultural practices and crop combinations on the performance of shea seedlings
Ghana Journal of Agricultural Science. Volume 29 #2. p. 3-8.

Periodical articlePanin, A.; Mahabile, M. (1996)
The performance of animal traction technology in developing African economies: a case study of Botswana
UNISWA Journal of Agriculture. Volume 5. p. 45-52.

Periodical articleReynolds, N. (1996)
Changing gear: but who will drive
Zimbabwean Review. Volume 2 #1. January-March. p. 3-8.

Periodical articleSoper, Robert (1996)
See this publicationThe Nyanga Terrace Complex of Eastern Zimbabwe: New Investigations
Abstract presentAzania: Archaeological Research in Africa. Volume 31. p. 1-35.

Periodical articleA-AS-Saqui, M.; André, H. (1995)
Breve olhar sobre a investigaçao agrícola em Moçambique: o passado, o presente e sugestoes para o futuro
Extra (Maputo, Mozambique). #16. January-April. p. 2-8.

Periodical articleAlghali, A.M.; Pratt, D.E. (1995)
Utilisation of farmers' practices and perceptions in the formulation of pest management strategies for cowpea production in southern Sierra Leone
Insect Science and its Application. Volume 16 #1. January-March. p. 103-108.

Periodical articleAhmed, Abdel G.M. (1994)
The Relevance of Indigenous Systems of Production to Food Policies: A Horn of Africa Perspective
Eastern Africa Social Science Research Review. Volume 10 #2. June. p. 55-65.

Periodical articleGrierson, I.T.; Oades, J.M. (1993)
Conservation farming in Southern Australia
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 11-14. p. 39-55.

Periodical articleMsham, H.S. (1993)
Integrating conservation into the farming system
Splash. Volume 9 #1. January-April. p. 9-10, 17-18.

Periodical articlePaulo, B.S. (1993)
Etapas de desenvolvimento da posse comunal da terra
Extra (Maputo, Mozambique). #12. January-April. p. 14-18.

Periodical articleShumba, E.M.; Waddington, S.R. (1993)
Zimbabwe's experience with agricultural research for smallholder farmers
Zimbabwe Science News. Volume 27 #10-12. October-December. p. 75-79.

Periodical articleAnonymous (1992)
Chris' crocs
Zimbabwe Tobacco Association Magazine. Volume 1 #8. August. p. 24-26.

Periodical articleAnonymous (1992)
Towards sustainable agricultural production by Africa's small-scale farmers
Rural Progress. Volume 11 #1. p. 1-30.

Periodical articleBarnett, Tony; Blaikie, Piers (1992)
A Methodology for Assessing the Potential Impact of AIDS upon Farming Systems in Kenya
Abstract presentAfrican Urban Quarterly. Volume 7 #3-4. August-November. p. 274-283.

Periodical articleBittegeko, S.B.P.; Alibhai, H.I.K.; Kessy, B.M. (1992)
Agroforestry: an alternative farming system which requires serious veterinary attention in order to enhance environmental rehabilitation and protection
Tanzania Veterinary Journal. Volume 12 #1. p. 12-18.

Periodical articleCarr, M. (1992)
The changing character of Japanese agriculture
Geographical Education Magazine. Volume 15 #2. September. p. 31-45.

Periodical articleFall, A.S.; Mbodji, A. (1992)
Traditional community agriculture and participative educational practice in Senegal
Journal of the African Association for Literacy and Adult Education (AALAE). Volume 6 #2. p. 3-11.

Periodical articleKent, J. (1992)
Tobacco production on Oribi Park
Zimbabwe Tobacco Association Magazine. Volume 1 #4. April. p. 18-19.

Periodical articleLaird, J. (1992)
Eco-farming in China brings green profits
Our Planet. Volume 4 #1. p. 12-13.

Periodical articleMulenga, N.C.; Stoop, W.A. (1992)
Soil fertility constraints and sustained land use in the farming systems of Western Province, Zambia (a soil fertility mission)
Proceedings of the Annual Scientific Conference of the SADCC-Land and Water Management Research Programme. October 5-7. p. 111-126.

Periodical articleWoomer, P.L.; Seward, P.D. (1992)
Linking soil and farming systems research: the next challenge of the TSBF programme
Bulletin of the UNESCO Regional Office for Science and Technology in Africa. Volume 27 #2. December. p. 27-29.

Periodical articleElwell, H.A. (1991)
Low-input sustainable farming systems
Zimbabwe Science News. Volume 25 #4-6. April-June. p. 31-36.

Periodical articleHewapathirane, Daya U. (1991)
The Use of Swamplands for Rice Farming in Sierra Leone
Abstract presentEastern and Southern Africa Geographical Journal. Volume 2 #1. April. p. 111-127.

Periodical articleMosha, A.C. (1991)
Urban farming practices in Tanzania
Abstract presentReview of Rural and Urban Planning in Southern and Eastern Africa. #1. p. 83-92.

Periodical articleMutisya, D.N.; Lado, Cleophas (1991)
Some Socio-Economic Factors behind Roadside Farming in Kiambu District, Kenya
Abstract presentJournal of Eastern African Research and Development. Volume 21. p. 107-127.

Periodical articleWestley, S.B.; Kaudia, A. (1991)
For a determined farmer, agroforestry brings an unexpected reward
Agroforestry Today. Volume 3 #3. July-September. p. 4-5.

Periodical articleZucula, P. (1991)
A consociaçGo agrícola, porquê?
Extra (Maputo, Mozambique). #8. set.-dez.. p. 8-11.

Periodical articleBowen, M.L. (1990)
Agricultura camponesa em Moçambique: o caso do Chokwé, na provéncia de Gaza
Arquivo: Boletim do Arquivo Histórico de Moçambique. #7. abril. p. 5-44.

Periodical articleFashina, A.B. (1990)
Agricultural mechanization as a nucleus of a developing country's agricultural industrial take off: a case study of Nigeria
African Journal of Science and Technology. Series C, General. Volume 1 #1. June. p. 22-27.

Periodical articleFernandes, R. (1990)
Conservation farming in Kenya
Kenya Farmer. #22. May. p. 34, 37.

Periodical articleMtei, B.J. (1990)
An epilogue on agriculture and rural development in Tanzania
Tanzania Agricultural Research & Training Newsletter. Volume 5 #4. December. p. 24-26.

Periodical articleNankumba, J.S. (1990)
Resource-use efficiency in selected farming systems in Malwai: implications for Agricultural Development Division (ADDs)
Bunda Journal of Agricultural Research. Volume 2. p. 125-145.

Periodical articleRao, M.R.; Kamara, C.S.; Kwesiga, F.; Duguma, B. (1990)
Methodological issues for research on improved fallows
Agroforestry Today. Volume 2 #4. October-December. p. 8-12.

Periodical articleWainaina, S. (1990)
Organic farming
Resources (Nairobi, Kenya). Volume 1 #3. September. p. 4-5.

Periodical articleAnandajayasekeram, P.; Rukuni, M. (1989)
Institutionalisation of on-farm research with farming systems perspectives (OFR)/FSP) in eastern and southern African region: achievements and future direction
Zimbabwe Journal of Agricultural Research. Volume 27 #2. p. 67-81.

Periodical articleShumba, E.M.; Waddington, S.R.; Rukuni, M. (1989)
Delayed maize plantings in a smallholder farming area of Zimbabwe, problem diagnosis
Zimbabwe Journal of Agricultural Research. Volume 27 #2. p. 103-112.

Periodical articleTawonezvi, H.P.R.; Dhliwayo, H.H.; Sibanda, D.; Dube, I.A. (1987)
Makoholi Experiment Station: a perspective
Zimbabwe Agricultural Journal. Volume 84 #2. March-April. p. 73-83.

Periodical articleCousins, B. (1986)
Developing appropriate technical messages in agricultural extension: a farming systems approach
Zimbabwe Agricultural Journal. Volume 83 #4. July-August. p. 131-136.

Search: su=Agricultural systems
Found: 100 Record 1-100

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