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随着耕作制度的变革,早造育秧不能等危险天气过去再播种。每年春播,常遇到烂秧天气。近六年,曲江县每年因烂秧损失稻种达238万斤。此外,良种死后补劣种,劳力和肥料的浪费等更无法估计。因此,预防烂秧便成为十分重要的问题。引致烂秧的原因目前,对导致烂秧原因的认识,还不一致。有的认为是低温,或汉水缺氧引起,有的认为是施肥不当引起,也有的认为是病原微生物引起。一般把低温当成是主要原因。
As the farming system changes, early planting of seedlings can not wait for dangerous weather in the past sowing. Spring broadcast every year, often encounter rotten seedling weather. The past six years, Qujiang County, due to rotten seedlings each year up to 2.38 million kilograms of rice. In addition, after the thoroughbreds make up for inferior species, labor and fertilizer waste more unpredictable. Therefore, the prevention of rotting seedlings has become a very important issue. Causes of rotten seedlings At present, the understanding of the causes of rotten seedlings is not the same. Some think it is hypothermia, or water caused by hypoxia, and some think it is caused by inappropriate fertilization, and some think it is caused by pathogenic microorganisms. The general low temperature as the main reason.