On the basis of grading, two evaluating methods of timber woodland are advanced, which are standard land-value modified method and land-value model method.
在定级的基础上，提出了两种用材林林地估价方法，即基准地价修正法和地价模型法。
Using basic conception of resource and environmental economics and starting from Ricardo's land rent theory, we put forth a model to express the total economic value of farmland.
借鉴资源环境经济学价值理念分析耕地价值内涵，从李嘉图地租理论出发，立足于耕地的特殊属性，提出实现耕地总经济价值评估的理论模型。
The productive value in the waterlogged land has increased as a result of the most suitable varieties, the techniques and the new high effective agricultural model.
筛选出最适合的新品种、新技术和高效农业模式在涝渍地上示范推广，提高了涝渍地的效益。
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