Thus, the research on spatial and temporal variability of soil properties and crop yields is the key topic which has being attracted the attention of scholars in the world.
因此，对土壤特性及作物产量的时空变异研究，是近期国内外学者共同关注的热点。
参考来源 - 田间土壤养分与作物产量的时空变异及其相关性研究In the same external environmental condition,slope and cropping are important influence factors of the spatio-temporal variation of soil moisture.
外界环境一定的条件下,种植模式和坡度是黄壤水分时空变异的重要影响因素。
参考来源 - 贵州坡地黄壤水分时空变异特征研究This paper took Huimin county for example analysis soil nutrient balance and spatial-temporal variability for more understanding spatial-temporal variability of soil nutrient on the grain crop region of county.
为了进一步了解县级区域粮田土壤养分的时空变异特征,以山东省惠民县为例,研究了20年来惠民县农业土壤养分循环、平衡与时空变异特征的关系。
参考来源 - 县级区域粮田土壤养分空间变异特征评价研究·2,447,543篇论文数据，部分数据来源于NoteExpress
森林冠层叶片被取食水平具有高度的时空变异性。
There is a great spatiotemporal variability in the feeding level of folivorous insects in forest canopy.
由于自然植物的生存、进化、生长受环境影响，表现为区域性和时空变异性。
As the environment have an impact on the survival, evolution and growth of the natural plant, it perform regional and spatial variability.
水文系统的有组织复杂性、时空变异性和数据不足是当前水文研究的难点所在。
The difficulty of hydrologic scaling mainly comes from the organized complexity of hydrologic systems, the heterogeneity and variability in space and time, and the insufficiency of data.
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