Based on field fertilizer experiment of cotton under drip irrigation in the area, cotton nitrogen diagnosis and nitrogen fertilizer recommendation with soil inorganic nitrogen quick test was st.
在南疆滴灌条件下进行氮肥大田试验，对应用土壤无机氮测试进行棉花氮素营养诊断及氮肥推荐进行了研究。
The effects of nitrogen on cotton yield and fiber quality in purple soil have been investigated by pot and field test.
通过盆栽试验、田间试验研究了紫色土壤施氮对棉花产量品质的效应。
The above mentioned soil antagonistic strains were tested for controlling cotton fusarium wilt disease in the field. The results showed that T 03 was the best, the control effect was 76.5%.
用上述7个土壤拮抗菌进行棉花枯萎病田间小区防效试验的结果表明，T-03对棉花枯萎病的防效最高，达76．5％；
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