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我省各地早稻间作田菁的经验证明:培育壮苗是间作田菁的成败和产量高低的关键问题之一。近两年来,各地区还从实践中总结出壮苗的标准为“小筷粗(茎粗约3毫米)、8寸高、叶青绿”。可是在移栽时往往达不到这个标准。为了解决这个问题,我们于1973年对田菁苗期生长特性进行了一些试验和观察,以便根据田菁幼苗期的生长特性采取相应的培育壮苗的措施。
The experience of Tian Jing from early rice in various provinces in our province proves that nurturing strong seedlings is one of the key problems in the success and failure of cropping and yield. In the past two years, all regions have also concluded from practice that the standard of strong seedlings is “small chopsticks (about 3 mm in stem diameter), 8 inches in height and leaf green”. However, this standard is often not reached during transplanting. In order to solve this problem, we conducted some experiments and observations on the growth characteristics of Tianjing seedlings in 1973 in order to take appropriate measures to cultivate seedlings according to the growth characteristics of the seedlings.