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施用硫肥的试验结果表明 :在缺硫土壤上施用硫肥 ,能显著提高棉花干物质产量和棉花产量 ,促进棉花根系和花、蕾、铃的生长发育 ;在硫含量水平丰富 (处于丰富的低限 )的土壤上施用硫肥 ,也能较好地提高棉花干物质产量 ;而在硫含量水平极丰富的土壤上施用硫肥 ,则表现出不同程度的减产。试验结果还表明 ,在北疆棉田缺硫土壤上施用硫酸钙 ,其增产效果较好 ,而在南疆棉田缺硫土壤上施用硫酸钾的增产效果较好。
The results of applying sulfur fertilizer showed that applying sulfur fertilizer on sulfur-deficient soil could significantly increase the cotton dry matter yield and cotton yield, promote the growth and development of cotton roots, flowers, buds and bell rings. When sulfur content was abundant Low limit) of soil application of sulfur fertilizer, but also can better improve the cotton dry matter production; and in sulfur rich soil application of sulfur fertilizer, then showed different degrees of yield reduction. The test results also showed that the application of calcium sulfate to sulfur-deficient soil in cotton field in northern Xinjiang had a good yield-increasing effect, while the application of potassium sulphate in sulfur-deficient soil in cotton field in southern Xinjiang was more effective.