指耕地的质量内容包括耕地用于一定的农作物栽培时,耕地对农作物的适宜性、生物生产力的大小(耕地地力)、耕地利用后经济效益的多少和耕地环境是否被污染四个方面。
... 1耕地质量cultivated land quality 2土地整理land exploiture 3中低产田改造reconstruction for low productivity land ...
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...省县级数据的实证分析 关键词:耕地质量;农业劳动生产率;Blinder-Oaxaca分解 [gap=4485]Keywords: the quality of arable land, agricultural labor productivity, Blinder-Oaxaca decomposition ..
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In whole,the cultivated land quality of Sanyuan County is high.
总体来说,三原县耕地质量水平总体较高。
参考来源 - 三原县耕地分等研究Therefore, we must carry on the cultivated land quality early-warning research.
所以,必须进行耕地质量的预警研究。
参考来源 - 基于生态经济系统的耕地质量预警分析Farmland quality is one of the hot issues in the field of grain and economy security. In the present paper,the case of farmland in Longchuan County of Guangdong Province was studied.
耕地质量是关系到我国粮食安全和经济安全的热点问题。
参考来源 - 耕地评价中几个关键问题的探讨Unreasonable cultivation, the small four-wheel tractor tillage system, and unscientific fertilization system, as well as the negative effects result from population growth and economic and social development were all led the degradation of soil quality.
在人为因素中,不合理的垦荒种植,难以改变的小型四轮拖拉机表土翻耕方式,不科学的肥料使用、管理方式,以及人口增长和经济社会发展的负面影响,都促使耕地质量在演变中逐步形成退化。
参考来源 - 大兴安岭东麓旱作丘陵区耕地质量演变与可持续利用·2,447,543篇论文数据,部分数据来源于NoteExpress
标准样地是今后实现耕地质量动态监测管理的重要依据。
Standard farmland is the basis of the implementation of land quality monitoring in the future.
研究得出结论,评价模型有效实现了重庆市跨区域耕地质量评价指数的可比性。
Drawn is Conclusion: the evaluation Model effectively realizes the comparability of Index of cultivated land quality evaluation among inner regions in Chongqing.
区域产业结构的变化对土地利用结构有决定性作用,从而对耕地质量保护形成决定性影响。
The industrial structure upgrading has great affections on cultivated land quality protection by changing mode and degree of regional land use.
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