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当前,华北和黄淮北部冬小麦正处于拔节孕穗期,已进入需水高峰期和临界期。今年3月以来,华北、黄淮、西北地区东部气温偏高1-4℃,降水量不足25毫米,较常年同期偏少3-8成,部分地区偏少8成以上。华北、黄淮等地部分地区土壤表墒不足,旱象露头。据气象部门预计,4月中下旬华北大部、黄淮北部仍无有效降水,5月华北、黄淮高温少雨,部分地区旱情将持续发展,对冬小麦孕穗、抽穗、灌浆带来不利影响。针对小麦
At present, winter wheat in North China and northern part of Huanghuai is in the stage of jointing and booting, and has entered the peak water demand and critical period. Since March this year, temperatures in North China, Huanghuai and Northwest China have been raised by 1-4 ℃ in the east and less than 25 millimeters in precipitation, which is 3-8% less than the same period of last year and over 80% in some areas. North China, Huanghuai and other parts of the soil table inadequate soil moisture, drought outcrop. According to the meteorological department, most of the northern part of North China and the northern part of the Huanghuai Lake still have no effective precipitation in mid-April. In May, the rainfall in northern China and the Huanghuai area is high and there is no rainfall. In some areas, the drought will continue to develop, adversely affecting booting, heading and grouting of winter wheat. For wheat