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在小麦生产中,由于品种选用或栽培措施不当,越冬期常造成小麦受冻死苗,轻者减产30%~50%,重者几乎绝收,给农民造成很大损失。为此,本文就如何预防小麦冻害提出以下几点建议。1因地制宜选用对路品种依据发育特性小麦品种可分为冬性、半冬性和春性3种。冬性品种通过春化阶段要求?
In wheat production, due to improper selection of cultivars or cultivation measures, the winter is often caused by frozen cold and dead wheat seedlings, the light yield reduction of 30% to 50%, almost in serious cases of income, resulting in great losses to farmers. To this end, this article on how to prevent wheat frost damage made the following suggestions. 1 according to local conditions on the road to choose varieties based on the developmental characteristics of wheat varieties can be divided into winter, semi-winter and spring 3 species. Winter varieties through the vernalization stage requirements?