抓好抛秧“四度” 搭好高产框架

• 作 者: 王兆荣 唐瑞年
• 机 构: 当涂县农技推广中心
• 出 处: 安徽农业
• 发表日期: 1999年05期
• 关键词: 抛植 高产群体 散度 立苗 秧苗素质 塑盘 分蘖力 叶龄 晚粳稻 常规稻

一、抛植分散度抛植分散度指抛植秧束的株数多少和株体大小的整齐情况。如果抛出的每束秧苗株数适中、大小整齐、形态匀称，则某块田抛植秧的分散度好。好的分散度有利于协调群体，利于个体的生长，有利于构成高产群体的框架。决定分散度好与差的主要因素有：１．苗床的制...

First, throwing dispersion Dispersion throwing dispersion refers to the number of seedlings planted by planting seedlings and plant size of the neat situation. If throwing each bunch of seedlings moderate number, size neat, well-proportioned, then a field throwing seedling dispersion good. Good decentralization is conducive to coordinating groups and benefiting the growth of individuals and is conducive to forming a framework for high-yielding groups. The main factors that determine the dispersion and the poor are: 1. Seedbed system ...