From June 1 to 3, rainfall in Huang-Huai area affected new wheat harvest and drying.

From May 25 to 28, high temperature weather occurred in most parts of North China, northern Huang-Huai River and eastern Shaanxi, with a maximum temperature of ≥ 30 ℃ in 1 to 2 days. In most parts of central and eastern North China, the daily maximum temperature reached 32 ℃ in 1 to 2 days, and the number of high temperature days in central and southern Hebei, eastern Beijing and Tianjin reached 3 to 4 days. At 14:00 in the above areas, the air relative humidity was less than 30% for 1-3 days, and light to moderate dry-hot wind weather occurred in some areas of Hebei and Shanxi for 1-3 days. As most of the soil moisture in the northern winter wheat area is suitable, and the dry-hot wind weather mostly occurs intermittently, the dry-hot wind weather process has little effect on wheat filling in the northern winter wheat region. Only the wheat with soil moisture deviation in northwest and central Hebei and southern Shanxi suffered from dry and hot wind disaster.

It is expected that in the next 10 days, the temperature in the northern winter wheat region will gradually change from the current significantly high to close to perennial. Light to moderate rain will occur from west to east on June 1-3, which is conducive to increasing soil moisture and alleviating drought in arid areas. Water and heat conditions are generally conducive to wheat grain filling maturity. However, there was local heavy rain or rainstorm in the south of Huang-Huai on June 1-3, which was disadvantageous to the wheat harvest and drying, and the summer harvest would be temporarily hindered; around the 31st, there would be light to moderate dry-hot wind in some parts of eastern North China, which was slightly disadvantageous to wheat grain filling. The precipitation in North China will be less than that in normal years, and the lack of soil moisture in some wheat fields will continue. To this end, it is recommended that:

The main results are as follows: 1. In the winter wheat area of North China, we should pay close attention to the change of soil moisture in wheat field, timely pour grouting water in areas with deviation of soil moisture, improve field humidity and alleviate the adverse effects of dry and hot wind weather on wheat grain filling.

2. All localities should also do a good job of "one spray and three prevention" and guard against the harm of severe convective weather, so as to increase grain weight and stable yield of wheat.

3. In the mature areas of Huang-Huai wheat, attention should be paid to sunny harvest and sun harvest, and summer seeds should be planted in time after stubble.