The shortage of precipitation soil in Northeast China is expected to improve


From April 24th to 25th, there was an obvious rainfall process in the northeast. It is calculated that the average precipitation in the northeastern region during the precipitation process is about 21 mm, and the total water resources are about 13.6 billion cubic meters. The precipitation coverage area above 25 mm is nearly 160,000 square kilometers, which is the strongest rainfall in the northeast spring sowing area this year. process.

The precipitation process effectively increased soil moisture, and the soil shortage in the northwestern part of Liaoning, northeastern Jilin, and southeastern Heilongjiang was relieved, which was beneficial to spring maize, soybean and other crops, but in eastern Liaoning, southeastern Jilin and northeastern Heilongjiang. Soil is too wet in centimeters of soil and 20 cm, and spring sowing will be affected. As the precipitation in southeastern Inner Mongolia, western Heilongjiang and northwestern Jilin is less than 5 mm, soil depletion continues.

The northeast region enters the peak period of spring sowing. It is estimated that in the next 10 days, the average daily temperature in most parts of Northeast China will be between 8 and 13 °C. There will be small to moderate rains around April 27 to 28 and May 2, respectively. The cumulative precipitation in the west is above 10 mm, and the rainfall in western Jilin is 5 to 15 mm. The precipitation process will effectively replenish soil moisture. The situation of soil moisture deviation in western Heilongjiang and western Jilin is expected to improve. All localities should seize the opportunity of precipitation to sow spring corn. In the wetland areas of the eastern soil, the precipitation should be seized and the ploughing and digging should be carried out in time to ensure that the spring sowing is carried out in a timely manner.

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