The contents of soil microelement of each plot are low, which reason is the low contents of drift sand.
流沙中各微量元素含量较低是各处理土壤微量元素含量低的决定因素。
The contents and distribution of soil microelement follow certain regularity in the process of soil-forming.
在成土过程中，土壤微量元素的含量分布具有一定的规律性。
The flooding of Yellow River led to the change of soil microelement, which in turn played an invisible role in the disintegration of the civilization of Huanghuaihai Plain.
由于黄河泛滥造成的土壤的微量元素的变化是黄淮海平原文明衰变过程中一只看不见的手。
Methods To contrast the disparity of soil type, soil use, and basic characteristics, in particular microelement contents in high_mortality area and low_mortality area of esophageal cancer.
方法对比食管癌高、低死亡率区土壤类型、利用方式及土壤一般特性，尤其是在微量元素含量上的差异。
The key to fertilization technology lies in increasing investment of organic fertilizer, paying attention to microelement fertilizer's application and extending fertilizer formula after soil testing.
四川盆周山区猕猴桃施肥技术的关键在于大力增加有机肥的投入、重视微肥的有效施用、推广测土配方施肥。
The key to fertilization technology lies in increasing investment of organic fertilizer, paying attention to microelement fertilizer's application and extending fertilizer formula after soil testing.
四川盆周山区猕猴桃施肥技术的关键在于大力增加有机肥的投入、重视微肥的有效施用、推广测土配方施肥。
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