Towards the northeast of the fall, there are more rainwater, and in some areas, farmland soil is too wet, especially because of floods and floods, many farmland waters are frozen along the river. After the winter, most of the northeastern part of the country has snowfall early, heavy snowfall, and heavy snowfall. After the beginning of spring, several large-scale snowfall processes have occurred. The meteorological department predicts that the rainfall in the Northeast China will be 1-5 percent higher, and the “double-confrontation†situation in 2013 may be worse than in 2013. The Soybean Experts Guidance Team of the Ministry of Agriculture and the National Agricultural Technology Center jointly proposed the following technical opinions:
Reasonable rotation
In the four concentrated soybean producing areas with low effective temperature accumulation in the four northeastern provinces, soybean and corn, wheat, and potato should be vigorously promoted. In the central and southern regions, soybeans and corn should be planted alternately every year or one year of soybean and two years of corn. The combination of land use and maintenance will be implemented to promote the balanced production increase of various crops and the sustainable use of cultivated land.
Timely site preparation
Timely extermination and spread of pods. Wait until the situation is suitable for ridging, repression and sowing. It is recommended to use large-horsepower wide-range locomotives in order to avoid excessive compaction of arable land.
Selecting sowing methods according to local conditions
When the ground temperature stabilizes through 5°C, it can be sown. It should be done continuously to prevent the loss of soil water. When the soil moisture is poor, it should be accompanied by pressure; when the soil moisture is suitable, the soil should be repressed 2-3 hours after sowing; the soil moisture (water content>25%) or the land after raining should wait for the land surface to appear 2 When the soil is dry in centimeters, it is re-pressed. Severely arid plots can be planted between rows. In the spring, the temperature rises rapidly and the soil loss is serious. Prepare for drought in advance. Generally used 110 cm large ridge, ridge on the three rows of sowing better.
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