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通过在本地使用的9种叶面肥的小区对比试验表明，博力398在本地对棉花的增产和抗逆效果明显，增产率16．8％。同时认为叶面肥的应用一定要遵循试验──示范──推广的原则，筛选出适合本地的品种，也不可一次使用两种以上叶肥。
Through the local comparison of the 9 kinds of foliar fertilizer used in the field, it showed that the yield and anti-converse effect of Boli 398 in cotton were obvious, with a yield increase rate of 16.8%. At the same time, we believe that the application of foliar fertilizer must follow the principle of testing ─ ─ demonstration ─ ─ promotion, screening suitable for local varieties, nor can more than two kinds of leaf fertilizer at a time.