去年秋播期间,小麦主产区土壤墒情较好,小麦播期集中,出苗整齐,冬前苗情较好。但目前小麦生产存在一些不利因素。一是旱情持续发展;二是冻害频繁发生;三是病虫早发重发。 During the autumn seasons last year, soil moisture was better in the main wheat producing areas, and the sowing date was concentrated and the seedlings were tidy. The seedling condition before winter was better. However, there are some unfavorable factors in wheat production. First, the continuous development of drought; Second, frequent occurrence of frost damage; Third, early recurrence of pests.