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温江县土壤中的硫
引用本文:李扬成.温江县土壤中的硫[J].四川环境,1993,12(3):64-65.
作者姓名:李扬成
作者单位:四川省温江农业学校
摘    要:通过对温江县12年水稻土种含硫量的测定表明,除两个土种外,10个土种有效硫含量较低。对小麦、小稻和油菜茎杆及籽粒N/S测定,小麦、水稻缺硫。合理施用硫肥,增加土壤中的硫素营养,是当前农业环境中要注意的问题。

关 键 词:全硫  有效硫  氮硫比  临界值  土壤

Sulfur in Soils of Wenjian County
Li Yangcheng.Sulfur in Soils of Wenjian County[J].Sichuan Environment,1993,12(3):64-65.
Authors:Li Yangcheng
Abstract:Based on the measurements of sulfur concentration for 12 kinds of paddy soil in Wenjian County and for seeds and straw of wheat, rice and rape, the analytical results show that 10 kinds of paddy soil are lack of available sulfur and so are seeds and straw of wheat and rice. In order to increase the concentration, reasonable application of Sulfur. fertilizer is very important for agricultural environmental protection.
Keywords:Total sulfur  available sulfur  ratio of nitrogen to sulfur  threshold value
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