受去年冬季雨雪较多,今春气温反复多变等因素影响,小麦苗期多种病虫及杂草开始发生发展,并呈逐渐加速态势。在小麦生育期普遍延迟的情况下,大部分病虫发生都早于往年。杂草由于小麦播种偏晚,降温较早,冬前化学除草面积较小,全省杂草数量总体偏多,重于常年。滨州全市平均15.53株/㎡,较上年同 Affected by more rain and snow in winter last year and repeated changes in temperature in spring, many pests and weeds in wheat seedling began to develop and gradually accelerated. In the general delay in the growth of wheat, most pests occur earlier than in previous years. Weeds due to late sowing of wheat, cooling earlier, pre-winter chemical weeding smaller, the overall number of weeds in the province is more than normal. Binzhou average of 15.53 plants / square meters, the same as the previous year