搜索结果: 1-7 共查到“作物学 Smallholder”相关记录7条 . 查询时间(0.046 秒)
Complementary effects of organic and mineral fertilizers on maize production in the smallholder farms of Meru South District, Kenya
Soil Fertility Organic Carbon Total Nitrogen Benefit Cost Ratio
2013/2/28
Low soil fertility is a major constraint to maize production in the small holder farms of Meru South District. This is mainly attributed to the mining of nutrients due to cropping without external add...
Contribution of savings and credit cooperatives to food crop production in Swaziland: A case study of smallholder farmers
Smallholder farmers savings and credit cooperatives contribution food crop production
2011/1/13
Using primary data collected in Ludzeludze and Bhekinkhosi/Mliba RDAs from 80 smallholder farmers in the 2008 cropping season, the study used a Cobb-Douglas production function model to analyze the co...
Socio-economic factors influencing adoption of improved fallow practices among smallholder farmers in Western Tanzania
Agroforestry leguminous trees soil fertility sustainable agriculture Tanzania
2011/1/11
Declining soil fertility is recognized as one of the major biophysical constraints affecting agricultural production in Sub-Saharan Africa. “Improved fallows” technology, a leguminous trees-based soil...
Impacts of Zimbabwe European Union micro-project programme (Zim/Eu MPP) in funding smallholder irrigation projects on food security and income levels: A case study of Mopane irrigation scheme in Zvishavane, Midlands province, Zimbabwe
Smallholder household food security income irrigators non-irrigators
2011/1/12
At least 70% of smallholders live in the semi-arid regions IV and V where rainfall is erratic and soils in these regions are derived from granite and generally shallow, light textured and of low ferti...
Technical efficiency in resource use: Evidence from smallholder Irish potato farmers in Nyandarua North District, Kenya.
Efficiency food insecurity productivity stochastic frontier function Kenya
2011/1/11
There has been a consistent decline of Irish potato production in Kenya which challenges the food security status of the country. This paper used data from a field survey using a random sample of 127 ...
Farmer participatory screening of maize seed varieties for suitability in risk prone, resource-constrained smallholder farming systems of Zimbabwe
Farmer participatory research stochastic dominance screening Sub-Saharan Africa seed
2009/3/4
The top down approach to hybrid seed production and variety selection in Sub-Saharan African countries has resulted in farmers being reduced to simple adopters of seed varieties mostly not suite...
The sustainability of a groundnut plus maize rotation over 12 years on smallholder farms in the sub-humid zone of Zimbabwe
Groundnut maize crop rotation soil infertility
2009/3/3
An experiment was conducted on four smallholder farms and on-station in the sub-humid zone of northeast Zimbabwe for 12 years to assess how the rotation of groundnut with NPK-fertilized and unfertil...