Jiudao 23 (formerly known as Jiu9423)
Breeding unit: Jilin Academy of Agricultural Sciences, Jilin Province
Variety source: Qingzi 96 / rattan 138
The opinion approved by the National quality Review Committee: this variety belongs to the conventional variety of japonica rice, and the whole growth period is 147 days, which is 4 days later than that of Jiyujing, the control variety. The yield is high and stable, the resistance to rice blast is weak, and the rice quality is medium. It is suitable to be planted in Jilin, Liaoning, Heilongjiang and the areas where the effective active accumulated temperature is more than 2850 ℃ and the incidence of rice blast is light. After examination, the variety conforms to the national variety approval standard and is approved.
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Lumai 15
Breeding unit: Department of Agronomy, Shandong Agricultural University. Approval: approved by Shandong crop Variety approval Committee, Jiangsu crop Variety approval Committee in 1996, and the National crop Variety approval Committee in 1998. Variety approval number: national examination and approval wheat 980010. Variety source: (Tal Yangmai 1 BI/757318) FI//104-14. Characteristics: semi-winter spring. The plant height is 80-85 cm and the spike is similar.
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The most important thing is to sow a small amount of wheat.
The implementation of mechanical fine sowing in a small amount of wheat can save 5 kg of seeds per mu, save 10 yuan in cost and increase production by 50 kg compared with conventional machine. However, in order to really achieve this effect, we must pay attention to the word "fine" when sowing. (1) fine ground preparation. It is required that the soil in the wheat field is "deep, flat, fine and clean", the depth of the mature soil is more than 8 cm, the surface is flat and without concave ponds, the soil is so fine that there is no "egg clover", and there are no sundries such as stubble and waste film on the surface. Farm manure should be applied at one time before sowing.
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