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我县于1976年冬季开始试验利用冷泉水串灌保红萍越冬获得成功。于1977年春在关山大泉洞建立县办红萍保种繁种基地14亩,当年越夏全部成功,繁种2万多斤。一、好处 (一) 冷泉水常年水温在17—19℃,这样的水温有利于红萍越夏越冬,每亩节省保种田塑料薄膜投资200元左右,并缓和了与早稻育秧争薄膜的矛盾。 (二) 春繁提前,有利放养。2月底至3月初即可供种,可解决萍种不足的问题。 (三) 因地制宜,变害为利。用冷泉水灌溉早稻,
My county in the winter of 1976 to test the use of cold spring water stringing red duck wintering success. In Spring of 1977, 14 mu of Hongping species breeding base was established in Daquan Cave, Guanshan, and the latter part of the year was all successful with more than 20,000 kilos of species. First, the benefits (A) cold spring perennial water temperature at 17-19 ℃, so the water temperature is conducive to Hongping summer overwintering, saving per mu plastic sheeting farming investment of about 200 yuan, and ease the conflict with the early rice seedling film competition. (B) Spring Fan advance, favorable stocking. By the end of February to early March for the species, can solve the problem of inadequate. (C) according to local conditions, change harm to profit. Cold spring irrigation with early rice,