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浙江省自1962年开展满江红(简称萍)北移的试验以来,两三年间,由试验而示范而推广,发展极快。但在推广的同时,有一些技术措施尚须进一步加以解决,保护种萍越冬就是其中之一。温州养萍老区向用温泉灌田养萍越冬,此法虽是经济有效,但北移后很多地方没有温泉可以利用。为寻求种萍安全越冬的方法,我们曾多方面加以探索。从所得结果看来,大田复盖越冬对保证迅速发展稻田养萍有着积极的意义。兹将在这方面所得到的初步结果,整理于后。
Zhejiang Province since 1962 to carry out Azolla (referred to as Ping) northward shift since the experiment, two to three years, to test and demonstrate the promotion and rapid development. However, at the same time of promotion, some technical measures still need to be further resolved. Wenzhou Yangping old area to use hot spring irrigation Pingping winter, although this method is cost-effective, but there are many places in the north after the transfer can not use hot springs. We have explored many ways to find ways to ensure safe winter. From the results obtained, it seems that the over-wintering of the field cover has a positive meaning to ensure the rapid development of rice paddies. The preliminary results that we have obtained in this regard have been compiled.