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裂区试验的结果表明：不同追肥配比、不同密度对特优559产量的影响均达极显著差异，两者互作对产量的影响达极显著差异；明确了分蘖肥与穗肥配比为1：1、密度为30万穴／hm2是获得特优559高产的最佳组合模式；分析了取得高产的原因。
The results of the split zone test showed that the effects of different top dressing rates and different densities on the yield of Teyou 559 reached extremely significant differences, and the interaction between them had a significant difference on the yield. The ratio of tillering fertilizer to panicle fertilizer was 1 : 1, the density of 300000 points / hm2 is the best combination model to obtain high yield of Teyou 559; The reason of high yield was analyzed.