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根据我国土壤缺硫趋向 ,提出复混肥料须注意加入硫素。列举土壤缺硫给作物造成的危害和施硫的良好效果。推荐诊断作物缺硫症状的方法和补硫措施 ,并介绍我国硫素来源和复混肥料可选的含硫矿物和含硫化肥。
According to the trend of soil sulfur deficiency in our country, it is suggested that sulfur should be added to the compound fertilizers. List the harm caused by sulfur deficiency to crops and the good effect of applying sulfur. It is recommended to diagnose the symptoms of sulfur deficiency in crops and the measures to increase sulfur, and to introduce the sources of sulfur and the optional sulfur compounds and sulfur fertilizers in compound fertilizers.