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Volumn 235, Issue , 2016, Pages 61-79

Productivity, profitability and partial nutrient balance in maize-based conventional and organic farming systems in Kenya

Author keywords

conventional farming systems; high inputs; low inputs; nutrient export; Organic farming systems; partial nutrient balance

Indexed keywords

AGRICULTURAL PRODUCTION; ALTERNATIVE AGRICULTURE; CROP ROTATION; CROP YIELD; DRY MATTER; FERTILIZER APPLICATION; INPUT-OUTPUT ANALYSIS; INTERCROPPING; MAIZE; MARKET SYSTEM; NUTRIENT BUDGET; NUTRIENT UPTAKE; ORGANIC FARMING; PROFITABILITY; SMALLHOLDER; SOIL FERTILITY;

EID: 84992520793     PISSN: 01678809     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.agee.2016.10.001     Document Type: Article
Times cited : (105)

References (75)
  • 1
    • 85043802508 scopus 로고    scopus 로고
    • Nitrogen enrichment of compost and co-compost in maize (Zea mays L.) production and its effects on the soil environment
    • University of Ghana, Legon Accra PhD Thesis
    • Adamtey, N., Nitrogen enrichment of compost and co-compost in maize (Zea mays L.) production and its effects on the soil environment., 2010, University of Ghana, Legon, Accra PhD Thesis.
    • (2010)
    • Adamtey, N.1
  • 2
    • 84883547624 scopus 로고    scopus 로고
    • Agriculture sector strategy 2010-2014
    • African Development Bank (ADB) Group
    • ADB, Agriculture sector strategy 2010-2014. 2010, African Development Bank (ADB) Group http://www.afdb.org/fileadmin/uploads/afdb/Docum.
    • (2010)
    • ADB1
  • 3
    • 84992485753 scopus 로고    scopus 로고
    • Effects of legumes on soil nitrogen, yield and nitrogen use efficiency of succeeding maize in Guinea savanna alfisol Nigeria
    • Adeboye, A.K.M., Iwuafor, O.N.E., Agbenin, O.J., Effects of legumes on soil nitrogen, yield and nitrogen use efficiency of succeeding maize in Guinea savanna alfisol Nigeria. Nigerian Journal of Soil and Environmental Research 6 (2005), 9–21, 10.4314/njser.v6i1.28384.
    • (2005) Nigerian Journal of Soil and Environmental Research , vol.6 , pp. 9-21
    • Adeboye, A.K.M.1    Iwuafor, O.N.E.2    Agbenin, O.J.3
  • 4
    • 77955818982 scopus 로고    scopus 로고
    • Fertiliser trees for sustainable food security in the maize-based production systems of East and Southern Africa. A review
    • Akinnifesi, K.F., Ajayi, C.O., Sileshi, G., Chirwa, W.P., Chianu, J., Fertiliser trees for sustainable food security in the maize-based production systems of East and Southern Africa. A review. Agronomy for Sustainable Development 30 (2010), 615–629.
    • (2010) Agronomy for Sustainable Development , vol.30 , pp. 615-629
    • Akinnifesi, K.F.1    Ajayi, C.O.2    Sileshi, G.3    Chirwa, W.P.4    Chianu, J.5
  • 6
    • 85007339692 scopus 로고    scopus 로고
    • Farming systems of Africa
    • K. Sebastian Harvest Choice/International Food Policy Research Institute, IFPRI Washington, DC
    • Aurich, C., Dixon, J., Boffa, J.-M., Garity, D., Farming systems of Africa. Sebastian, K., (eds.) Atlas of African Agriculture Research and Development, 2014, Harvest Choice/International Food Policy Research Institute, IFPRI, Washington, DC, 13–14.
    • (2014) Atlas of African Agriculture Research and Development , pp. 13-14
    • Aurich, C.1    Dixon, J.2    Boffa, J.-M.3    Garity, D.4
  • 8
    • 84904903340 scopus 로고    scopus 로고
    • Comparative analysis of the current and potential role of legumes in integrated soil fertility management in West and Central Africa
    • Bationo The multiple roles of legumes in integrated soil fertility management
    • Bationo, A., Kimetu, J., Vanlauwe, B., Bagayoko, M., Koala, S., Mokwunye, A.U., et al. Comparative analysis of the current and potential role of legumes in integrated soil fertility management in West and Central Africa. Bationo, (eds.) Fighting poverty in Sub-Saharan Africa, 2011, The multiple roles of legumes in integrated soil fertility management, 117–150, 10.1007/978-94-007-1536-3_6.
    • (2011) Fighting poverty in Sub-Saharan Africa , pp. 117-150
    • Bationo, A.1    Kimetu, J.2    Vanlauwe, B.3    Bagayoko, M.4    Koala, S.5    Mokwunye, A.U.6
  • 10
    • 18444408429 scopus 로고    scopus 로고
    • The effects of organic agriculture on biodiversity and abundance: a meta-analysis
    • Bengtsson, J., Ahnström, J., Weibull, A.C., The effects of organic agriculture on biodiversity and abundance: a meta-analysis. Journal of Applied Ecology 42:2 (2005), 261–269.
    • (2005) Journal of Applied Ecology , vol.42 , Issue.2 , pp. 261-269
    • Bengtsson, J.1    Ahnström, J.2    Weibull, A.C.3
  • 11
    • 0025585930 scopus 로고
    • Conventional versus alternative agriculture: The paradigmatic roots of the debate
    • Beus, C.E., Dunlap, R.E., Conventional versus alternative agriculture: The paradigmatic roots of the debate. Rural Sociology 55 (1990), 590–616.
    • (1990) Rural Sociology , vol.55 , pp. 590-616
    • Beus, C.E.1    Dunlap, R.E.2
  • 12
    • 0001009985 scopus 로고
    • Hydrometer method improved for making particle size analyses of soils
    • Bouyoucos, G.J., Hydrometer method improved for making particle size analyses of soils. Agronomy Journal 54:5 (1962), 464–465, 10.2134/agronj1962.00021962005400050028x.
    • (1962) Agronomy Journal , vol.54 , Issue.5 , pp. 464-465
    • Bouyoucos, G.J.1
  • 13
    • 0033368026 scopus 로고    scopus 로고
    • Crop yields and economic comparisons of organic, low input and conventional farming systems in California's Sacramento Valley
    • Clark, S., Klonsyky, K., Livingston, P., Temple, S., Crop yields and economic comparisons of organic, low input and conventional farming systems in California's Sacramento Valley. American Journal of Alternative Agriculture 14:3 (1999), 109–121, 10.1017/S0889189300008225.
    • (1999) American Journal of Alternative Agriculture , vol.14 , Issue.3 , pp. 109-121
    • Clark, S.1    Klonsyky, K.2    Livingston, P.3    Temple, S.4
  • 14
    • 0034982738 scopus 로고    scopus 로고
    • Assessing sustainability of low-external-input farm management systems with nutrient monitoring approach:a case study in Kenya
    • DeJager, A., Onduru, D., van Wijk, M.S., Vlaming, J., Gachini, G.N., Assessing sustainability of low-external-input farm management systems with nutrient monitoring approach:a case study in Kenya. Agricultural Systems 69 (2001), 99–118.
    • (2001) Agricultural Systems , vol.69 , pp. 99-118
    • DeJager, A.1    Onduru, D.2    van Wijk, M.S.3    Vlaming, J.4    Gachini, G.N.5
  • 15
    • 80052590981 scopus 로고    scopus 로고
    • Economic performance of long-term organic and conventional cropping systems in Minnesota
    • Delbridge, T.A., Jeffrey, A., Coulter, J.A., King, R.P., Sheaffer, C.C., Wyse, D.L., Economic performance of long-term organic and conventional cropping systems in Minnesota. Agronomy Journal 103:5 (2011), 1372–1382, 10.2134/agronj2011.0371.
    • (2011) Agronomy Journal , vol.103 , Issue.5 , pp. 1372-1382
    • Delbridge, T.A.1    Jeffrey, A.2    Coulter, J.A.3    King, R.P.4    Sheaffer, C.C.5    Wyse, D.L.6
  • 16
    • 0242460760 scopus 로고    scopus 로고
    • Farming systems and poverty: Livelihoods in a changing world
    • FAO and World Bank Rome, Italy and Washington DC
    • Dixon, J., Gulliver, A., Gibbon, D., Farming systems and poverty: Livelihoods in a changing world. 2001, FAO and World Bank, Rome, Italy and Washington DC, 410 http://www-wds.worldbank.org.
    • (2001) , pp. 410
    • Dixon, J.1    Gulliver, A.2    Gibbon, D.3
  • 19
    • 84899542133 scopus 로고    scopus 로고
    • Effects of ecological and conventional agricultural intensification practices on maize yields in sub-Saharan Africa under potential climate change
    • Folberth, C., Yang, H., Gaiser, T., Liu, J., Wang, X., Williams, J., Schulin, R., Effects of ecological and conventional agricultural intensification practices on maize yields in sub-Saharan Africa under potential climate change. Environmental Research Letters, 9(4), 2014, 044004, 10.1088/1748-9326/9/4/044004.
    • (2014) Environmental Research Letters , vol.9 , Issue.4 , pp. 044004
    • Folberth, C.1    Yang, H.2    Gaiser, T.3    Liu, J.4    Wang, X.5    Williams, J.6    Schulin, R.7
  • 20
    • 84891897304 scopus 로고    scopus 로고
    • Yield and economic performance of organic and conventional cotton-based farming systems: Results from a field trial in India
    • Forster, D., Andres, C., Verma, R., Zundel, C., Messmer, M.M., Mäder, P., Yield and economic performance of organic and conventional cotton-based farming systems: Results from a field trial in India. PLoS ONE, 8(12), 2013, e81039, 10.1371/journal.pone.0081039.
    • (2013) PLoS ONE , vol.8 , Issue.12 , pp. e81039
    • Forster, D.1    Andres, C.2    Verma, R.3    Zundel, C.4    Messmer, M.M.5    Mäder, P.6
  • 21
    • 84946731342 scopus 로고    scopus 로고
    • Performance of baby corn (Zea mays L.) as influenced by spacing, nitrogen fertilisation and plant growth regulators under sub humid condition in Rajasthan, India
    • Golada, L.S., Sharma, L.G., Jain, H.K., Performance of baby corn (Zea mays L.) as influenced by spacing, nitrogen fertilisation and plant growth regulators under sub humid condition in Rajasthan, India. African Journal of Agricultural Research 8:12 (2013), 1100–1107, 10.5897/AJAR12.1920.
    • (2013) African Journal of Agricultural Research , vol.8 , Issue.12 , pp. 1100-1107
    • Golada, L.S.1    Sharma, L.G.2    Jain, H.K.3
  • 22
    • 0009627091 scopus 로고    scopus 로고
    • Soil, plant, water and fertiliser analysis
    • 1st Edition) Publisher, Agro Botanica India), New Delhi
    • Soil, plant, water and fertiliser analysis. Gupta, P.K., (eds.), 1st Edition), 1999, Publisher, Agro Botanica, India), New Delhi, 24–75.
    • (1999) , pp. 24-75
    • Gupta, P.K.1
  • 23
    • 84871689107 scopus 로고    scopus 로고
    • Optimising water and nitrogen requirement in maize (Zea mays L.) under semi arid conditions of Pakistan
    • Hammad, M.H., Ahmad, A., Khalig, T., Wajid, A., Nasin, W., Farhad, W., Optimising water and nitrogen requirement in maize (Zea mays L.) under semi arid conditions of Pakistan. Pakistan Journal of Botany 43:6 (2011), 2919–2923.
    • (2011) Pakistan Journal of Botany , vol.43 , Issue.6 , pp. 2919-2923
    • Hammad, M.H.1    Ahmad, A.2    Khalig, T.3    Wajid, A.4    Nasin, W.5    Farhad, W.6
  • 24
    • 0012099358 scopus 로고    scopus 로고
    • Biomass production and N fixation of five Mucuna pruriens varieties and their effect on maize yields in the forest zone of Cameroon
    • Hauser, S., Nolte, C., Biomass production and N fixation of five Mucuna pruriens varieties and their effect on maize yields in the forest zone of Cameroon. J. of Plant Nutrition and Soil Science 165 (2002), 101–109.
    • (2002) J. of Plant Nutrition and Soil Science , vol.165 , pp. 101-109
    • Hauser, S.1    Nolte, C.2
  • 25
    • 36749102900 scopus 로고    scopus 로고
    • Agricultural production and soil nutrient mining in Africa: Implications for resource conservation and policy development
    • International Fertiliser Development Centre Muscle Shoals, Al. USA
    • Henao, J., Baanante, C., Agricultural production and soil nutrient mining in Africa: Implications for resource conservation and policy development. IFDC Tech. Bull., 2006, International Fertiliser Development Centre, Muscle Shoals, Al. USA.
    • (2006) IFDC Tech. Bull.
    • Henao, J.1    Baanante, C.2
  • 26
    • 84908633622 scopus 로고    scopus 로고
    • Productivity and profitability of organic farming systems in East Africa
    • IFOAM Germany
    • IFOAM, Productivity and profitability of organic farming systems in East Africa. 2013, IFOAM, Germany, 52.
    • (2013) , pp. 52
    • IFOAM1
  • 27
    • 85043807294 scopus 로고    scopus 로고
    • Ending hunger in Africa
    • International Food Policy Research (IFPRI)
    • IFPRI, Ending hunger in Africa. Prospects for the small farmer, 2004, International Food Policy Research (IFPRI) http://ifpri.org/sites/default/files/pubs/ib/.
    • (2004) Prospects for the small farmer
    • IFPRI1
  • 30
    • 0006569943 scopus 로고
    • Colorimetric determination of Aluminium (III) with chrome azurol S and the reactivity of hydrolysed Aluminium species
    • Kennedy, J.A., Powell, H.K., Colorimetric determination of Aluminium (III) with chrome azurol S and the reactivity of hydrolysed Aluminium species. Analytical Chemistry Acta 18 (1986), 329–333, 10.1016/S0003-2670(00)86501-0.
    • (1986) Analytical Chemistry Acta , vol.18 , pp. 329-333
    • Kennedy, J.A.1    Powell, H.K.2
  • 31
    • 84931472242 scopus 로고    scopus 로고
    • Strategies for maintenance and improvement of soil productivity under continuous maize and beans cropping system in the Sub-humid Highlands of Kenya: Case study of the long-term trial at Kabete
    • A. Bationo
    • Kibunja, C.N., Mwaura, F.B., Mugendi, D.N., Gicheru, P.T., Wamuongo, J.W., Bationo, A., Strategies for maintenance and improvement of soil productivity under continuous maize and beans cropping system in the Sub-humid Highlands of Kenya: Case study of the long-term trial at Kabete. Bationo, A., (eds.) Lessons Learned from a/the Long-term Soil Fertility Management Experiment in Africa, 2012, 10.1007/978-94-007-2938-4.
    • (2012) Lessons Learned from a/the Long-term Soil Fertility Management Experiment in Africa
    • Kibunja, C.N.1    Mwaura, F.B.2    Mugendi, D.N.3    Gicheru, P.T.4    Wamuongo, J.W.5    Bationo, A.6
  • 32
    • 53149111362 scopus 로고    scopus 로고
    • Economic analysis of non-conventional fertilisers in Vihiga District, Western Kenya, 37
    • A. Bationo Academy Science Publishers (ASP)/Tropical Soil Biology and Fertility Institute of CIAT pp
    • Kipsat, M.J., Maritim, H.K., Okalebo, J.R., Economic analysis of non-conventional fertilisers in Vihiga District, Western Kenya, 37. Bationo, A., (eds.) Managing nutrient cycles to sustain soil fertility in Sub-Saharan Africa, 2004, Academy Science Publishers (ASP)/Tropical Soil Biology and Fertility Institute of CIAT, pp, 535–544 http://ciat-library.ciat.cgiar.org/Articulos_CIAT/Managing_Nutrient_Cycles.pdf.
    • (2004) Managing nutrient cycles to sustain soil fertility in Sub-Saharan Africa , pp. 535-544
    • Kipsat, M.J.1    Maritim, H.K.2    Okalebo, J.R.3
  • 34
    • 0037376238 scopus 로고    scopus 로고
    • Phosphorus availability and maize response to organic and inorganic fertiliser inputs in a short term study in western Kenya
    • Kwabiah, A.B., Stoskopf, N.C., Palm, C.A., Voroney, R.P., Rao, M.R., Gacheru, E., Phosphorus availability and maize response to organic and inorganic fertiliser inputs in a short term study in western Kenya. Agriculture, Ecosystems and Environment 95:1 (2003), 49–59.
    • (2003) Agriculture, Ecosystems and Environment , vol.95 , Issue.1 , pp. 49-59
    • Kwabiah, A.B.1    Stoskopf, N.C.2    Palm, C.A.3    Voroney, R.P.4    Rao, M.R.5    Gacheru, E.6
  • 35
    • 0003819192 scopus 로고
    • An introduction to positive economics
    • 4th Edition Weidenfeld and Nicolson
    • Lipsey, R.G., An introduction to positive economics. 4th Edition, 1975, Weidenfeld and Nicolson, 214–217.
    • (1975) , pp. 214-217
    • Lipsey, R.G.1
  • 36
    • 84992487057 scopus 로고    scopus 로고
    • Growth yield and economics of baby corn (Zea mays L.) as influenced by integrated nutrient management
    • Lone, A.A., Allai, A.B., Nehvi, A.F., Growth yield and economics of baby corn (Zea mays L.) as influenced by integrated nutrient management. African Journal of Agricultural Research 8:37 (2013), 4537–4540, 10.5897/AJAR08.335.
    • (2013) African Journal of Agricultural Research , vol.8 , Issue.37 , pp. 4537-4540
    • Lone, A.A.1    Allai, A.B.2    Nehvi, A.F.3
  • 37
    • 0141451782 scopus 로고    scopus 로고
    • The performance of organic and conventional cropping systems in an extreme climate year
    • Lotter, D.W., Seidel, R., Liebhardt, W., The performance of organic and conventional cropping systems in an extreme climate year. American Journal of Alternative Agriculture 18 (2003), 146–154, 10.1079/AJAA200345.
    • (2003) American Journal of Alternative Agriculture , vol.18 , pp. 146-154
    • Lotter, D.W.1    Seidel, R.2    Liebhardt, W.3
  • 38
    • 0037205025 scopus 로고    scopus 로고
    • Soil fertility and biodiversity in organic farming
    • Mäder, P., Fliessbach, A., Dubois, D., Gunst, L., Fried, P., Niggli, U., Soil fertility and biodiversity in organic farming. Science 296:5573 (2002), 1694–1697.
    • (2002) Science , vol.296 , Issue.5573 , pp. 1694-1697
    • Mäder, P.1    Fliessbach, A.2    Dubois, D.3    Gunst, L.4    Fried, P.5    Niggli, U.6
  • 40
    • 0021560138 scopus 로고
    • Mehlich 3 soil test extractant: A modification of Melich 2 extractant
    • Mehlich, A., Mehlich 3 soil test extractant: A modification of Melich 2 extractant. Communications in Soil Science and Plant Analysis 15 (1984), 1409–1416, 10.1080/00103628409367568.
    • (1984) Communications in Soil Science and Plant Analysis , vol.15 , pp. 1409-1416
    • Mehlich, A.1
  • 41
    • 84910642734 scopus 로고    scopus 로고
    • Local and export vegetable growing manual
    • Ministry of Food and Agriculture (MOA)/Japan International Co‐operation Agency (JICA). Agriculture Information Resource Centre Waiyake Way, Nairobi‐Kenya
    • MOA/JICA, Local and export vegetable growing manual. 2000, Ministry of Food and Agriculture (MOA)/Japan International Co‐operation Agency (JICA). Agriculture Information Resource Centre, Waiyake Way, Nairobi‐Kenya.
    • (2000)
    • MOA/JICA1
  • 42
    • 84908574167 scopus 로고    scopus 로고
    • Enhancing maize productivity and profitability using organic inputs and mineral fertiliser in Central Kenya small-holder farms
    • Mucheru-Muna, M., Mugendi, D., Pypers, P., Mugwe, J., Kung'u, J., Vanlauwe, B., Merckx, R., Enhancing maize productivity and profitability using organic inputs and mineral fertiliser in Central Kenya small-holder farms. Expl. Agric. 50 (2014), 250–2691.
    • (2014) Expl. Agric. , vol.50 , pp. 250-2691
    • Mucheru-Muna, M.1    Mugendi, D.2    Pypers, P.3    Mugwe, J.4    Kung'u, J.5    Vanlauwe, B.6    Merckx, R.7
  • 45
  • 46
    • 79955902212 scopus 로고    scopus 로고
    • Growth and yield of baby corn (Zea mays L.) as influenced by plant growth regulator and different time of nitrogen application
    • Muthukumar, V.B., Velayudham, K., Thavaprakaash, N., Growth and yield of baby corn (Zea mays L.) as influenced by plant growth regulator and different time of nitrogen application. Research Journal of Agriculture and Biological Sciences 1:4 (2005), 303–307 http://www.aensiweb.com/old/rjabs/rjabs/303-307. pdf.
    • (2005) Research Journal of Agriculture and Biological Sciences , vol.1 , Issue.4 , pp. 303-307
    • Muthukumar, V.B.1    Velayudham, K.2    Thavaprakaash, N.3
  • 47
    • 84892665175 scopus 로고    scopus 로고
    • Length of growing season, rainfall temporal distribution, onset and cessation dates in the Kenya highlands
    • Ngetich, K.F., Mucheru-Muna, M., Mugwe, J.N., Shisanya, C.A., Diels, J., Mugendi, D.N., Length of growing season, rainfall temporal distribution, onset and cessation dates in the Kenya highlands. Agricultural and Forest Meteorology 188 (2014), 24–32 http://www.researchgate.net/publication/260027595.
    • (2014) Agricultural and Forest Meteorology , vol.188 , pp. 24-32
    • Ngetich, K.F.1    Mucheru-Muna, M.2    Mugwe, J.N.3    Shisanya, C.A.4    Diels, J.5    Mugendi, D.N.6
  • 48
    • 0031978770 scopus 로고    scopus 로고
    • Soil phosphorus fractions and adsorption as affected by organic and inorganic sources
    • Nziguheba, G., Palm, C.A., Buresh, R.J., Smithson, P.C., Soil phosphorus fractions and adsorption as affected by organic and inorganic sources. Plant and Soil 198:2 (1998), 159–168, 10.1023/A:1004389704235.
    • (1998) Plant and Soil , vol.198 , Issue.2 , pp. 159-168
    • Nziguheba, G.1    Palm, C.A.2    Buresh, R.J.3    Smithson, P.C.4
  • 49
    • 0003805581 scopus 로고    scopus 로고
    • Laboratory methods of soil and plant analysis
    • 2nd Edition) TSBF-CIAT and SACRED Africa Nairobi, Kenya
    • Okalebo, J.R., Guthua, K.W., Woomer, P.J., Laboratory methods of soil and plant analysis. A working manual, 2nd Edition), 2002, TSBF-CIAT and SACRED Africa, Nairobi, Kenya http://library.wur.nl/WebQuery/groenekennis/1715512.
    • (2002) A working manual
    • Okalebo, J.R.1    Guthua, K.W.2    Woomer, P.J.3
  • 50
    • 77954237590 scopus 로고    scopus 로고
    • Soil fertility restoration techniques in Sub-Saharan Africa using organic resources. Review
    • Omotayo, O.E., Chukwuka, K.S., Soil fertility restoration techniques in Sub-Saharan Africa using organic resources. Review. African journal of Agricultural Research 4:3 (2009), 144–150.
    • (2009) African journal of Agricultural Research , vol.4 , Issue.3 , pp. 144-150
    • Omotayo, O.E.1    Chukwuka, K.S.2
  • 52
    • 0002806718 scopus 로고
    • Controlling weeds and improving soil fertility through the use of cover crops: experience with Mucuna spp. in Bennin and Ghana
    • Osie-Bonsu, P., Buckles, D., Controlling weeds and improving soil fertility through the use of cover crops: experience with Mucuna spp. in Bennin and Ghana. West African Farming Systems Research Network Bulletin 14 (1993), 2–7.
    • (1993) West African Farming Systems Research Network Bulletin , vol.14 , pp. 2-7
    • Osie-Bonsu, P.1    Buckles, D.2
  • 53
    • 20544452297 scopus 로고    scopus 로고
    • Environmental and economic costs of the application of pesticides primarily in the United States
    • Pimentel, D., Environmental and economic costs of the application of pesticides primarily in the United States. Environment, Development and Sustainability 7 (2005), 229–252, 10.1007/s10668-005-7314-2.
    • (2005) Environment, Development and Sustainability , vol.7 , pp. 229-252
    • Pimentel, D.1
  • 54
    • 0033964284 scopus 로고    scopus 로고
    • Legumes for improving maize yields and income in semi-arid Kenya
    • Rao, M.R., Mathuva, M.N., Legumes for improving maize yields and income in semi-arid Kenya. Agriculture Ecosystems and Environment 78 (2000), 123–137, 10.1016/S0167-8809(99)00125-5.
    • (2000) Agriculture Ecosystems and Environment , vol.78 , pp. 123-137
    • Rao, M.R.1    Mathuva, M.N.2
  • 55
    • 84973876135 scopus 로고    scopus 로고
    • Organic agriculture in the twenty-first century. Review article
    • Reganold, J.P., Wachter, J.M., Organic agriculture in the twenty-first century. Review article. Nature plants 2 (2016), 1–8, 10.1038/NPLANT.2015.221.
    • (2016) Nature plants , vol.2 , pp. 1-8
    • Reganold, J.P.1    Wachter, J.M.2
  • 56
    • 0035077053 scopus 로고    scopus 로고
    • Organic farming and the sustainability of agricultural systems
    • Rigby, D., Càceres, D., Organic farming and the sustainability of agricultural systems. Agricultural systems 68 (2001), 21–40.
    • (2001) Agricultural systems , vol.68 , pp. 21-40
    • Rigby, D.1    Càceres, D.2
  • 58
    • 34548306798 scopus 로고    scopus 로고
    • Comparative efficiency of three organic manures at varying rates of its application to baby corn
    • Saha, S., Appireddy, K.G., Kundu, S., Gupta, S.H., Comparative efficiency of three organic manures at varying rates of its application to baby corn. Archives of Agronomy and Soil Science 53:5 (2007), 507–517, 10.1080/03650340701565183.
    • (2007) Archives of Agronomy and Soil Science , vol.53 , Issue.5 , pp. 507-517
    • Saha, S.1    Appireddy, K.G.2    Kundu, S.3    Gupta, S.H.4
  • 59
    • 0141452065 scopus 로고    scopus 로고
    • The potential of green manures to increase soil fertility and maize yield in Malawi
    • Ministry of Agriculture, Irrigation and Food Security
    • Sakala, W.D., Kumwenda, J.D.T., Saka, A.R., The potential of green manures to increase soil fertility and maize yield in Malawi. Maize Agronomy Research Report (2000-2003), 2004, Ministry of Agriculture, Irrigation and Food Security, 14–20, 10.1080/01448765.2003.9755257.
    • (2004) Maize Agronomy Research Report (2000-2003) , pp. 14-20
    • Sakala, W.D.1    Kumwenda, J.D.T.2    Saka, A.R.3
  • 60
    • 0031405659 scopus 로고    scopus 로고
    • Towards a practical approach to fertiliser recommendations for food crop production in smallholder farms in Kenya
    • Schnier, H.F., Recke, H., Muchena, F.N., Muriuki, A.W., Towards a practical approach to fertiliser recommendations for food crop production in smallholder farms in Kenya. Nutrient Cycling in Agro-ecosystems 47 (1997), 213–226, 10.1007/BF01986276.
    • (1997) Nutrient Cycling in Agro-ecosystems , vol.47 , pp. 213-226
    • Schnier, H.F.1    Recke, H.2    Muchena, F.N.3    Muriuki, A.W.4
  • 62
    • 84979516439 scopus 로고    scopus 로고
    • Profitability of organic agriculture in a transition economy: The case of organic contract rice farming in LAO PDR
    • Setboonsarng, S., Stefan, A., Leung, P.S., Cai, J., Profitability of organic agriculture in a transition economy: The case of organic contract rice farming in LAO PDR. 16th IFOAM Organic World Congress, Modena, Italy, June 2008, 2008, 16–20 http://orgprints.org/13672.
    • (2008) 16th IFOAM Organic World Congress, Modena, Italy, June 2008 , pp. 16-20
    • Setboonsarng, S.1    Stefan, A.2    Leung, P.S.3    Cai, J.4
  • 63
    • 84860705643 scopus 로고    scopus 로고
    • Comparing the yields of organic and conventional agriculture
    • Seufert, V., Ramankutty, N., Foley, J.A., Comparing the yields of organic and conventional agriculture. Nature 485 (2012), 229–232, 10.1038/nature11069.
    • (2012) Nature , vol.485 , pp. 229-232
    • Seufert, V.1    Ramankutty, N.2    Foley, J.A.3
  • 65
    • 75249093473 scopus 로고    scopus 로고
    • Variation in maize yield gaps with plant nutrient inputs, soil type and climate across Sub-Saharan Africa Field Crops
    • Sileshi, G., Akinnifesi, F.K., Debusho, L.K., Beedy, T., Ajayi, O.C., Mong'omba, S., Variation in maize yield gaps with plant nutrient inputs, soil type and climate across Sub-Saharan Africa Field Crops. Research 116 (2010), 1–13, 10.1016/j.fcr.2009.11.014.
    • (2010) Research , vol.116 , pp. 1-13
    • Sileshi, G.1    Akinnifesi, F.K.2    Debusho, L.K.3    Beedy, T.4    Ajayi, O.C.5    Mong'omba, S.6
  • 67
    • 84896713787 scopus 로고    scopus 로고
    • Productivity, nutrient balanace, soil quality, and sustainability of rice (Oryza sativa L.) under organic and conventional production systems
    • Surekha, K., Satishkumar, Y.S., Productivity, nutrient balanace, soil quality, and sustainability of rice (Oryza sativa L.) under organic and conventional production systems. Communication in soil science and plant analysis 45:4 (2014), 415–428.
    • (2014) Communication in soil science and plant analysis , vol.45 , Issue.4 , pp. 415-428
    • Surekha, K.1    Satishkumar, Y.S.2
  • 68
    • 85052361581 scopus 로고    scopus 로고
    • Concept for systems comparison trial in smallholder farms in the Lower Highlands Zone of Kenya
    • Székely, T., Concept for systems comparison trial in smallholder farms in the Lower Highlands Zone of Kenya. 2005, 121.
    • (2005) , pp. 121
    • Székely, T.1
  • 70
    • 33845400156 scopus 로고    scopus 로고
    • Within-farm soil fertility gradients affect response of maize to fertiliser application in western Kenya
    • Vanlauwe, B., Tittonell, P., Mukalama, J., Within-farm soil fertility gradients affect response of maize to fertiliser application in western Kenya. Nutrient Cycling in Agroecosystems 76:2–3 (2006), 171–182, 10.1007/s11104-008-9676-3.
    • (2006) Nutrient Cycling in Agroecosystems , vol.76 , Issue.2-3 , pp. 171-182
    • Vanlauwe, B.1    Tittonell, P.2    Mukalama, J.3
  • 71
    • 84992475167 scopus 로고    scopus 로고
    • The soil conditions of the ICIPE experimental farm at Kiereni Primary School, Chuka (Meru South District)
    • Wagate, P.N., Njoroge, C.R.K., Macharia, P.N., Chek, A.L., The soil conditions of the ICIPE experimental farm at Kiereni Primary School, Chuka (Meru South District). Kenya Soil Survey Detailed Report D85, 2010 http://www.kari.org/node/125.
    • (2010) Kenya Soil Survey Detailed Report D85
    • Wagate, P.N.1    Njoroge, C.R.K.2    Macharia, P.N.3    Chek, A.L.4
  • 72
    • 84992518003 scopus 로고    scopus 로고
    • The soil conditions of ICIPE experimental plot, Thika Horticultural Research Centre, Murang'a South District
    • Wagate, P.N., Njoroge, C.R.K., Macharia, P.N., Chek, A.L., The soil conditions of ICIPE experimental plot, Thika Horticultural Research Centre, Murang'a South District. Kenya Soil Survey Detailed Report D84, 2010 http://www.kari.org/node/125.
    • (2010) Kenya Soil Survey Detailed Report D84
    • Wagate, P.N.1    Njoroge, C.R.K.2    Macharia, P.N.3    Chek, A.L.4
  • 73
    • 0006901026 scopus 로고    scopus 로고
    • Nutrient and water use efficiency
    • M.E. Sommer CRC Pres Boca Raton, FL
    • Westerman, R., Raun, W.L., Johnson, G.V., Nutrient and water use efficiency. Sommer, M.E., (eds.) Handbook of soil science, 1999, CRC Pres, Boca Raton, FL, 175–189 http://www.jstor.org/stable/2461143.
    • (1999) Handbook of soil science , pp. 175-189
    • Westerman, R.1    Raun, W.L.2    Johnson, G.V.3
  • 74
    • 84992477451 scopus 로고    scopus 로고
    • The Economics of Organic Grain and Soybean Production in the Midwestern United States Policy Studies Report No
    • Welsh, R., 1999. The Economics of Organic Grain and Soybean Production in the Midwestern United States Policy Studies Report No. 13. Pp 64, http://ageconsearch.umn.edu/bitstream/134120/2/wallace-prog-report13. pdf.
    • (1999) , vol.13 , pp. 64
    • Welsh, R.1
  • 75
    • 0034730833 scopus 로고    scopus 로고
    • Annual soil improving legumes: Agronomic effectiveness, nutrient uptake, nitrogen fixation and water use
    • Wortmann, C.S., Mc Intyre, B.D., Kaizzi, C.K., Annual soil improving legumes: Agronomic effectiveness, nutrient uptake, nitrogen fixation and water use. Field Crop Research 68 (2000), 75–83, 10.1016/S0378-4290(00)00113-1.
    • (2000) Field Crop Research , vol.68 , pp. 75-83
    • Wortmann, C.S.1    Mc Intyre, B.D.2    Kaizzi, C.K.3


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