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早稻秧苗浅插,是夺取早熟高产的技术措施之一,这是众所周知的,但其道理何在?插多深为好?对这个问题,我们做了一些试验观察,现分析如下: 浅插秧苗的作用:(1)有利于早发根早返青。根据1975年堡镇公社十大队二小队五亩矮南早一号试验,浅插0.5——1寸的比深插2寸的新根发育快,白根多五条,返青早三
Sowing early rice seedlings is one of the technical measures to seize the precocious and high yield, which is well known, but its truth? Insert more deep is better? We have done some experimental observations on this issue, the analysis is as follows: Role: (1) is conducive to early hair roots early green. According to 1975, the town of Brigade commune tenth two squad five acres of short South early test, shallow inserted 0.5--1 inch than the deep inserted 2 inch new root development fast, white root more than five,