The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
Water stress can decrease the availability of soil nutrients.
水分亏缺可使土壤养分的有效性降低。
The plant availability of soil hot-water soluble boron (HWSB) was tested 5 different arid soils in Hubei province.
用湖北省5种旱地土壤进行了土壤热水溶性硼(HWSB)植物有效性试验。
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