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清流县机收再生稻熟期调节试验探讨 预览

Ripe Period Adjustment Test of Ratoon Rice in Qingliu Country
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摘要 以宜优673为材料,通过不同时期对未碾压区再生季增施氮肥的方法,延迟未碾压区再生稻的成熟时间,促使碾压区和未碾压区再生季熟期一致。结果表明,各时期对未碾压区增施氮肥,对熟期调节作用明显,在3个时期的施肥处理中,早施比晚施效果更好,当头季稻收割后10 d,对未碾压区增施尿素5 kg/667m2的处理,未碾压区和碾压区的再生季熟期最相近,比较稻谷成熟籽粒率,仅相差10.06个百分点,收割日期上,仅比对照推迟7 d,实收产量为339.28 kg/667m2,比对照增产17.99%,净增收143.19元/667m2。 In this paper, with Yiyou 673 as material, through different times aren,t rolling area regeneration nitrogen method, delay did not crush zone of ratoon rice mature time, prompting rolling zone and rolling zone regeneration season period. Experimental results show that for different periods did not crush zone increase nitrogen, has an obvious effect period adjustment, in the three periods of fertilizer treatments, employ earlier rather than later is better, so in the future 10 d after the rice harvest season, not crush zone on increasing the processing of urea 5 kg/667m2, not crush zone and the regeneration of the most recent quarter period of roller compaction area, more mature rice grain rate, are only 10.06%, harvest date, compared with only delay the 7 d, the amount of 339.28 kg/667m2, with a 17.99% increase in production, net income 143.19 yuan/667m2.
作者 肖步金 郑永富 李先民 XIAO Bu-jin,ZHENG Yong-fu,LI Xian-min(Qingliu Academy of Agricultural Sciences, Qingliu, FujYan 365300 )
出处 《福建稻麦科技》 2015年第2期7-10,共4页 Fujian Science and Technology of Rice and Wheat
关键词 宜优673 机收再生稻 碾压 熟期调节 Yiyou 673 ratoon rice of mechanical harvest rolling ripe period adjustment
作者简介 肖步金(1963-),男,推广研究员,研究方向:农业推广、农业区划
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