The phosphorus nutrition of plants of eucalyptus is affected by the content of available phosphorus in soil and by the interaction of various elements of soil nutritious system.
桉树植株的磷营养受土壤有效磷含量和土壤营养体系中多种元素相互作用的影响。
The preliminary studies suggests that the values of the optimum ranges of trace elements in the soil of citrus orchards in south Fujian may provide the parameters of nutrition diagnosis for the soil.
本文初步提出闽南柑桔园土壤微量元素含量的适宜指标，可供土壤营养诊断之参考。
In the world wide, most of maize was planted in poor soil, and nitrogen is one of most important nutrition elements for maize growing, especially for maize yield.
世界范围内，相当一部分玉米种植在十分瘠薄的土壤上，氮素缺乏成为玉米生产最重要的限制因子之一。
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