Zobrazeno 1 - 10
of 28
pro vyhledávání: '"D.D. Onduru"'
Publikováno v:
International Journal of Development and Sustainability, Vol 1, Iss 3, Pp 714-742 (2012)
A study to determine the impacts of farmers field schools (FFS) on smallholders’ adoption of good agricultural practices in tea and to assess sustainability of smallholder tea production was conducted in the highlands of Kenya. Input-output data on
Externí odkaz:
https://doaj.org/article/1f999434a0604ab29ac9c8ebeb1dd6eb
Autor:
Johannes E. Hunink, Fred Muchena, Boniface Mwaniki, Johan Bouma, Rudolph Cleveringa, Sjef Kauffman, Patrick Gicheru, Peter Droogers, Prem Bindraban, D.D. Onduru
Publikováno v:
International Journal of Biodiversity Science, Ecosystem Services & Management 10 (2014) 2
International Journal of Biodiversity Science, Ecosystem Services & Management, 10(2), 133-143
International Journal of Biodiversity Science, Ecosystem Services & Management, 10(2), 133-143
Food production, water availability and energy production are important ecosystem services of the Upper Tana basin (Kenya) and they decline due to upstream erosion affecting downstream water users. The effect of 11 soil conservation measures on soil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f3991db473700bcce531ef248fa482e
https://doi.org/10.1080/21513732.2014.890670
https://doi.org/10.1080/21513732.2014.890670
Publikováno v:
Nutrient Cycling in Agroecosystems, 83(1), 63-72
Nutrient Cycling in Agroecosystems 83 (2009) 1
Nutrient Cycling in Agroecosystems 83 (2009) 1
Re-use of nutrients within farming systems contributes to sustainable food production in nutrient limited production systems. Re-use is established when nutrients pass through several farm compartments before they leave the farm via marketable produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1214f40d75fb2de5a57d1e1b764fdc6b
https://doi.org/10.1007/s10705-008-9199-6
https://doi.org/10.1007/s10705-008-9199-6
Publikováno v:
International Journal of Agricultural Research. 3:166-187
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9da7fa4292ab98ba590e6d7fca60ea83
https://doi.org/10.3923/ijar.2008.166.187
https://doi.org/10.3923/ijar.2008.166.187
Autor:
Chris C. Du Preez, D.D. Onduru
Publikováno v:
International Journal of Sustainable Development & World Ecology. 15:145-152
SUMMARY Sustainability is socially constructed, and striving for a sustainable agricultural system requires addressing ecological, social and economic dimensions simultaneously. The objective of this study was to assess the sustainability of dryland
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b861324eb79067535732fb2bd52faa9
https://doi.org/10.1080/13504500809469779
https://doi.org/10.1080/13504500809469779
Publikováno v:
Journal of Crop Improvement. 21:79-100
A study was carried out to investigate soil quality of dryland farming systems of Mbeere District, Eastern Kenya and its implications on agricultural sustainability. Soil sampling was done in years 2002 and 2004 from 30 study farms and same sampling
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4b9efe1a4a950dbe65c14e9fd8ed06a
https://doi.org/10.1300/j411v21n01_06
https://doi.org/10.1300/j411v21n01_06
Autor:
D.D. Onduru, Chris C. Du Preez
Publikováno v:
Tropical Science. 47:134-148
A study was conducted in the semi-arid Mbeere district, Eastern Kenya, to determine spatial and temporal variability of crop yields and climatic factors and their impacts on sustainability of semi-arid agriculture. Spatial aspects were assessed by co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1298499f8d08e9721024ab161dfa935a
https://doi.org/10.1002/ts.207
https://doi.org/10.1002/ts.207
Publikováno v:
International journal of agricultural research, 2(5), 426-439
International journal of agricultural research 2 (2007) 5
International journal of agricultural research 2 (2007) 5
A study was carried out in Kiambu District, central highlands of Kenya to explore the effects of household socio-economic factors on farm nutrient balances and agro-economic performance and to determine nutrient depleting and conserving cropping prac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87ffe529723cb1112f931e3d79c20c47
https://doi.org/10.3923/ijar.2007.426.439
https://doi.org/10.3923/ijar.2007.426.439
Publikováno v:
International Journal of Agricultural Sustainability 3 (2005)
International Journal of Agricultural Sustainability, 3, 167-176
International Journal of Agricultural Sustainability, 3, 167-176
Soil nutrient budget studies are increasingly becoming important in determining the magnitude of nutrient mining in sub-Saharan Africa and its impacts on food production. A study of farms practicing low external input agriculture (LEIA) and conventio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d7d76222b67cfe87dc8422156dcc511
https://doi.org/10.1080/14735903.2005.9684754
https://doi.org/10.1080/14735903.2005.9684754
Participatory On-Farm Comparative Assessment of Organic and Conventional Farmers' Practices in Kenya
Publikováno v:
Biological Agriculture & Horticulture. 19:295-314
On-farm participatory research was carried out in low and high potential areas of Kenya to assess agronomic and socioeconomic viability of organic and conventional practices and their prospects at farm level. At each site, 20 farms participated in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83871bf65dd2c8422ea75bc664366161
https://doi.org/10.1080/01448765.2002.9754935
https://doi.org/10.1080/01448765.2002.9754935