Cultivation Techniques of Sunflower 363
Sunflower 363 has developed root system and strong lodging resistance. Large disk, convex disk, inclination grade 3, high pollination seed setting rate. Today, I would like to introduce to you the planting technology of sunflower 363.
I. selection and preparation of land
Select drip irrigation land with medium and high fertility and drive rake during soil preparation to achieve leveling, soil fragmentation, good soil moisture, avoid continuous cropping and realize rotation for 3-5 years.
2. Seed treatment
For sunflower hybrids, the seed coating agent is only germicidal and nutritious, and there is no insecticidal ingredient. Do not be misled by the coating agent. In order to effectively prevent underground pests such as golden needle worm, ground tiger, cricket and so on, seed dressing must be carried out before sowing.
Third, sow seeds at the right time
Avoid rainy weather when sowing, prevent hardening, and break it in time if it is caused by rain after sowing. Dig holes 2-3cm and cover soil with 2cm. During machine sowing, debug the machine in advance and observe whether the feeding cylinder is blocked at any time, so as to avoid the phenomenon of missing seedlings and broken ridges, and avoid the sowing method of dry sowing and wet sowing as far as possible.
IV. Fertilizer and water management
If you pour the first water in the middle of the bud, it must be poured thoroughly to facilitate the sunflower to take root. Watering times should be determined according to soil conditions, soil moisture and precipitation. Stop the water in time in the mature period, otherwise the grain will turn yellow. Fertilizer was applied 3-4 times during the whole growth period, urea 10 kg / mu in the first bud water, urea 10 kg / mu and potash fertilizer 5 kg / mu in the second water, urea 5 kg / mu and potash fertilizer 5 kg / mu when watering flowering water. topdressing potash fertilizer 5 kg when watering slurry water.
The above is the relevant acceptance of the planting technology of sunflower 363. I hope it will be helpful to you.
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