On the basis of overview of the study area,by analyzing the dynamic change of farmland in Ninglang County,we can find that the farmland area in this county tend
Traditionally, the transmission device for cutter adopts gear mechanism combined with planar crank-rocker mechanism. In line with this drawback, this paper pres
The status quo of resource allocation of agricultural science and technology R&D(research and development)both at home and abroad,including the amount and funct
In terms of current life style, living and production conditions and hygienic and educational condition, we select 8 indices, such as annual net income of farme
On the basis of expounding the status quo of rural residents’ residence, the thesis notes that influenced by the weak foundation of rural economy, the characte