搜索结果: 1-2 共查到“植物保护学 Farmers”相关记录2条 . 查询时间(0.078 秒)
Labor-Saving Weed Technologies for Lowland Rice Farmers in sub-Saharan Africa
Chemical weed control hand weeding irrigated lowland mechanical weed contro
2015/12/23
Time requirements, weed control efficacy, and yield effects of three labor-saving weed technologies
were tested against hand weeding during three seasons in 2012 and 2013. The technologies incl...
Economics of Pesticides Use among Maize Farmers in Edo State, Nigeria
Maize farmers pesticides efficiency elasticity
2010/11/9
This paper estimated the degree of price responsiveness as well as the efficiency of pesticides use on maize farms in Edo state of Nigeria. The results indicated that the demand for pesticides was neg...