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我县地处浙南沿海,早稻播种育秧时节,气温尚低,且未稳定,遇倒春寒年份会发生严重烂秧。据我县1960～1982年气象资料统计,在播种育秧期间遇倒春寒发生严重烂秧有7年,出现的概率为32％。就是在一般年景也因育秧前期受低温影响。出苗率低,生长缓慢,秧苗素质差。1983年我县推广了早稻地膜育秧,通过试验调查,表明地
My county is located in the southern coast of Zhejiang Province, early rice sowing season, the temperature is still low, and not stable, in late spring will occur in serious rotten seedlings. According to the meteorological data from 1960 to 1982 in our county, there were 7 years of severe rotten seedlings during the spring planting seasons and the probability of occurrence was 32%. It is in the general year because of early seedlings affected by low temperature. Low emergence rate, slow growth, poor quality seedlings. In 1983 my county to promote the early rice film seedlings, through the test investigation, that land