根据第一段“Why do farmers grow crops outside in fields when we can arrange them vertically (垂直地)? The idea of vertical farming was first proposed in 1999. It was seen as a way to save space, reduce air miles and transform old and abandoned buildings, like warehouses. In 2021, ...
Why do farmers grow crops outside in fields when we can stack them these products are more expensive so could be less in demand (需求), as vertically (将它们垂直地摞起来)? Vertical farming is seen as a way to customers watch their spending more.save space and make good use of buildings...
Why Do Farmers Fail? Farm Bankruptcies 1910–78 来自 EconPapers 喜欢 0 阅读量: 56 作者: SRA Collins 摘要: Econometric analysis of aggregate time-series farm-sector data suggests that prior to World War II the farm bankruptcy rate appears to be associated with financial risk variables, while ...
With whole-farm models, it is usually hard to know how representative the models are of reality. No rigorous validation procedure seems to have been proposed. There has always been a dilemma between descriptive power and tractability. The outcome has been to resort to a confused mix of expert...
(1999) 'Explaining farmers' conservation behaviour: Why do farmers behave the way they do?' Journal of Environmental Management, vol. 57, no. 3, pp. 165-176.Beedell JDC, Rehman T. 1999. Explaining farmers' conservation behaviour: Why do farmers behave the way they do? Journal of ...
Why do farmers grow crops outside in fields when we can totally grow them vertically (垂直地)? The ide a of vertical farming was first sug-gested in 1999. It was seen as a way to save space and transform old and abandoned buildings, like stockrooms. In 2021, Fortune Business Insights...
The expansion of smallholder farms into larger farm sizes is a key strategy for growing agriculture in sub-Saharan Africa. This strategy could simultaneous... A Adelaja,J George,T Jayne,... 被引量: 0发表: 2020年 Why Do Farmers Burn Rice Residue? Examining Farmers ? Choices in Punjab, Paki...
What’s really cool to me is there are a number of different things that biotech is enabling us to change. For instance, talking about sweet corn, moths and worms are really drawn to the sweet crop (much like I am!). That means sweet corn farmers tend to do a number of things to ...
Why do farmers grow crops outside in fields when we can arrange them vertically (垂直地)? The idea of vertical farming was first proposed in 1999. It was seen as a way to save space, reduce air miles and transform old and abandoned buildings, like warehouses. In 2021, Fortune Business ...
farmers to cease farming, with a particular emphasis on understanding the roles of off-farm employment and federal farm program payments. Conventional ordinary least squares analysis using all counties suggests that off-farm employment has no statistical effect on the (net) number of farmers quitting...