The factors affecting soil fertility are: river harnessing, fertilizer application, and the changes in cropping system and land utilization after the adoption of high yield hybrid verities.

影响肥力变化的因子包括河流治理、施肥、高产品种使用后种植制度和土地利用程度的变化等等。

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Construction of the mass rapid transit system is of great importance both to rational utilization of the economical resource and optimization of overall arrangement of urban land use.

大运量快速交通系统建设对于合理利用城市经济资源、优化城市土地利用布局具有深远意义。

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Its mandatory to reinforce the special fund management in national land and resources survey, to ensure the reform of national fiscal budget system, effective fund supply and utilization, etc.

加强国土资源调查专项资金管理是实现国家财政预算体制改革、国土资源调查专项资金的有效供给以及提高国家专项资金使用效果等几个方面的必然需要。

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