High-yield Cultivation Techniques of Maize Variety of Salt and Ink 23
Salt and Ink 23 was selected from the seed production company of Yanjin County. The variety has a growing period of about 130 days. The plant is tall, with good fertilizer, white grains, and a half-dental shape. It has good quality and high potential for yield increase. Suitable for soil cultivation with good fertilizer and water conditions. In the sense of Rhizoctonia solani, jointing, booting, heading stage is vulnerable to aphids, seedling growth is weak. Its cultivation techniques are as follows:
1. Selection of land, fine soil preparation selection of deep, medium and high fertility plots. The fall of the land is 20-30cm deep, so that no ploughing can be achieved.
2, timely sowing seed sowing before drying 2 days, soaking seed soaking with warm soup. The ground temperature can be sown when it is stable at 10°C. The time is generally from late March to early April. Dung group or square seedlings transplanted. The best time for transplanting is at the 2-3 leaf stage.
3. The planting of 2900-3250 plants per acre is planted in a close-packed way and planted in equal rows or in narrow and narrow rows. Rows were planted at a row spacing of 90cm with a spacing of 24cm; width and width were planted with a width of 110cm, a narrow row of 60cm, and a spacing of 24cm.
4. Rational fertilization and strengthening of field management
4.1 Applying basal fertilizer: Applying 1500-2000 kg of farmyard fertilizer per mu to 15-20 kg of Kapu Calcium or 8 kg of ternary compound fertilizer. Applying a layer of fine soil to the bottom of the pond for transplanting when planting.
4.2 Check the seedlings to fill the gaps and ensure that the whole seedlings are planted: Field inspections should be conducted 5-7 days after transplanting, and it is found that the lack of seedlings and weak seedlings must be planted in time.
4.3 Top-dressing: The principle of lightly applying Miaofei, skillfully applying joint-fertilizer, heavy panicle-fertilizer and later-stage seedling fertilization shall be carried out with 5 kg of urea to 1000-1500 kg of defecation water per acre for 10-15 days after transplanting. Seedlings; about 1 foot high seedlings per acre with 10 kg of urea, phosphate fertilizer 8 kg, potassium fertilizer 3 kg applied fertilizer; in the 7-10 days before heading (big bell mouth) Mushi urea 20 kg. The combination of the first and second cultivators is used to cover the seedlings and jointing fertilizers, and the panicle fertilizers are covered by the method of hole application. This can increase fertilizer efficiency and reduce losses.
4.4 cultivating soil: Usually two times of cultivating soil. During the second cultivating soil, we must carry out a pocket to improve the resistance of the plant.
4.5 Pest control: First, the control of the ground tiger, mu 20% phoxim 50-75 ml or 2.5% enemy killed 15-30 ml watered 50-100 kg applied in the evening, before the larvae 3 is better The second is the prevention and control of corn borer, with 25% synergistic insecticidal double water agent 1 kg water 5 kg plus fine sand 25 kg formulated into granules, 10 kg per mu applied to the control of the heart; or 90% crystal enemy 100 Insect 150 grams watered 50-60 kg spray; Third, control of corn borer, 50% anti-influx 3000 times, or 2.5% enemy killed 3000 times evenly sprayed, can also be used to fill the heart. Can also be used 40% dimethoate 50 ~ 100 times liquid smear. Fifth, prevention and control of corn sheath blight: at the beginning of the disease, the diseased leaves were stripped and cleaned, and the lime sulcus was brushed on the stalks from which the leaf sheaths and leaves were removed, and the detached leaves were deeply buried away from the corn field. Or mu 40% sclerotin net wettable powder 800-1000 times liquid or fast kering wettable powder 1000-1500 times liquid or 50% eutectic wettable powder 800-1000 times liquid spray, continuous 2-3 times, Once every 7-10 days, focus on spraying the plant base.
5, timely receipt. Nine yellow and ten close.
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