Technology 1: Variety selection
First, high-quality strong gluten wheat growing areas. First of all, we must do a good job in order production, followed by Shiyou No. 20, Yuyou 2018, Yuyou 5218 and other strong gluten varieties; second, water-saving wheat planting areas. Low-sensitive varieties with low moisture content should be selected, especially for medium-low-sensitive varieties in the groundwater comprehensive management project area; third, seeds with seed quality that meets national quality standards and labels and instructions for use should be selected.
Technique 2: Straw maturity and returning to the field
Returning corn stalks to the field not only improves soil structure, but also increases soil organic matter content and soil fertility. However, once the measures for returning to the field are not in place, the problem of nitrogen stalks in the seedling stage and wheat is slightly encountered, and problems such as uneven emergence, weak seedlings, and lack of seedlings are found. Therefore, the straw must be used to return the field directly to the field, and then the decomposing agent is applied.
Technique 3: Base fertilizer application
Generally, the ground floor is applied with 6-8 kg of pure nitrogen, 7~9 kg of phosphorus pentoxide, and 5-7 kg of potassium oxide in the potassium-deficient wheat field. If the straw is not returned to the field, organic fertilizer should be added. At the same time, it is necessary to actively test and demonstrate biological fertilizer, seed fertilizer and sowing technology and water and fertilizer integration technology according to local actual conditions.
Technique 4: Fine land preparation
For plots with mature crops before the crops, watering can be done 10 to 15 days before planting, so as to shorten the time of jointing, strive for agricultural time, and increase the depth of rotary tillage. The depth of rotary tillage should reach 15 cm or more, and it can be rotated 2 to 3 times, and then it should be deep and loose. For plots that have been ploughed for more than three consecutive years, they must be ploughed 20 to 25 cm or 30 to 35 cm deep. After deep tillage or deep loosening and rotary tillage, it is necessary to suppress and suppress, so that the ploughing layer is virtual and solid, the soil surface is flat and flat, and there is no clear and dark.
Technique 5: Wheat sowing
First, determine the appropriate sowing date. Sowing in suitable sowing period can reduce the pre-winter seedlings, cultivate the strong seedlings before winter, reduce the water transpiration before winter, achieve water-saving and drought-resistant cultivation, and enhance the cold resistance. Second, determine the reasonable amount of seeding. Appropriate sowing is the key to achieving a reasonable group structure before winter and striving for the final ideal number of ears per mu.
Third, fine sowing. The seeding depth is generally 3 to 5 cm. When the wheat is harvested during rain and the germination is weak, it should be noted that the seeding should not be too deep to avoid emergence or weak seedlings. The width of the rowing machine is separated by a line spacing to ensure the consistency of the depth and the line spacing, no leakage, no replay, and ensure the seedlings.
Technique 6: Post-broadcast protection
First of all, it must be strongly suppressed. The suppression after sowing can enhance the degree of adhesion between the soil and the seed, the seed is easy to absorb water, and the emergence rate and uniformity are improved. If it is planted at noon and the sensation is slightly worse, it must be suppressed immediately. Sowing in the morning, evening or cloudy, the good feelings can be suppressed later. Second, check the seedlings and make up the seedlings For plots where there is a lack of seedlings and ridges, it is necessary to check the seedlings in time.
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