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水稻移植后出现的囘青现象,是水稻早插不能早熟增产的重要原因之一。现将囘青的原因及克服的办法介绍如下,以供参考。 一、不插老秧和瘦秧。试验证明壮秧没有囘青期或囘青快2—3天。晚稻浙场9号秧龄同是60天,每亩播量80斤以内的,此80斤以上的囘青快2—3天,分蘖,抽穗也早2—3天,增产6—11%;同是松场261,播量相同,秧龄40天的比50天以上的囘
The phenomenon of greening back after rice transplanting is one of the important reasons why rice can not be prematurely increased when inserted early. Now the reasons for the green back and ways to overcome the following, for reference. First, do not insert the old seedling and seedling. Test proved strong seedlings did not return to youth or back to youth fast 2-3 days. Late rice Zhejiang field No. 9 seedling age is the same 60 days, sowing no more than 80 pounds per mu, more than 80 pounds back to green fast 2-3 days, tillers, heading 2-3 days earlier, an increase of 6-11%; with Is the pine field 261, the same amount of sowing, seedling age 40 days back more than 50 days