Tetian No. 1 is the latest generation hybrid of Zhejiang Province Seed Co., Ltd. with a plant height of 197 cm, a total of 18 leaves per plant, a 70 cm ear height, 5 leaves of the ear, a 20 cm spike length, and a fresh spike weight of 220- 250g, high resistance to large, small leaf spot, fresh fruit ear thin skin, golden yellow, raw and sweet and crisp, cooking and eating sweet and delicious, and suitable for fasting wholesaling or vacuum packaging after cooking, become instant fast food super sweet corn , Has a special flavor, such as threshing processed into quick-frozen granulated sweet corn or canned sweet corn, the quality can reach Class A, can be completely comparable to imported frozen sweet corn and sweet corn canned. Under standardized cultivation conditions, fresh corn is grown for 85 days in the spring and only 70 days in the autumn. The yield can reach 700 kg. Cultivation Techniques: Super-sweet corn is mainly used for the production of fresh fruit spikes or fruit spikes. The commercial requirements of the ear are extremely high. Standardized cultivation is to make each corn produce a good product ear. 1. Isolation planting: In order to ensure super-sweet corn sweet preparation, it must be planted with other corns in isolation, and super sweet corn can be used for planting on the production. It can be separated from other corn by more than 500 meters, or the flowering period can differ by more than 10 days. 2, fine seedlings: super-sweet corn seed wrinkles, germination, seedlings difficult than other corn seeds, to choose a good soil, fine soil preparation, soil moisture, suitable nursery seedlings, Hangzhou spring sowing is generally in late March, the best The use of mulch film cover and nylon small arch nursery to ensure the required temperature for germination. Seven days before transplanting, small nylon tents should be uncovered and kneaded, so that spring seedlings will be strong, which will help them survive after transplanting. Autumn sowing is generally in mid-July. After seeding with seedbeds, shade nets are covered with nylon small sheds. This can prevent rain (nylon) and prevent excessive temperature in the shed (shade net); or directly after seedbed sowing. Grass hedges can also play a role in preventing both rain and suitable soil temperature, so as to avoid poor soil compaction and facilitate germination and emergence. Regardless of the method used, until the seeds germinate and the seedlings are uncovered, about 3 days after sowing, all the cover must be removed to allow the seedlings to grow completely in open fields, ensuring that the seedlings grow robustly. About 90% of the super-sweet corn seed germination rate, 0.8 kilograms of seedlings can be transplanted to grow an acre. 3, transplanting seedlings with soil: Apply 15 kg compound fertilizer per acre before transplanting (N:P:K=15:15:15) Use two-leaf and one-heart seedlings to transplant with soil, immediately after transplanting (day) Once clear water feces, if the weather is fine the next day, but also a high temperature, but also watered once to prevent the dehydration of seedlings, in order to facilitate survival and promote early-onset. ? 4, the rational close planting: In order to achieve a good commercial corn growth, not too dense, with 3500 per mu is appropriate. The average weight of fresh sowing ear in spring is 250 grams, and the average weight of fresh ear in autumn sowing is 220 grams. 5. Early application of topdressing: Applying basic fertilizer, timely top dressing, early application of panicle fertilizer, ensuring that super-sweet corn grows all the way green, this is the key to the success or failure of a super-sweet corn. Early application of Miaofei, applying 10 kg of urea per acre as seedling fertilizer. If it is dry in the autumn, it can be added with water. After it reaches the bell, approximately 9-10 pieces can be seen. Early application and replanting of panicle fertilizer will be applied per mu. 8 kg of urea and 16 kg of compound fertilizer are mixed and used as a sub-fertilizer. Combined with clean ditches, it can both preserve fertilizer and grazing grass, prevent flooding, and achieve super-sweet corn growth, high yield, and good quality. . ? 6, pest control: spring sowing mainly control of aphids and corn borers, autumn sowing mainly control aphids, corn borer, cabbage caterpillar, etc., sowing heavy corn in autumn. High-efficiency, low-toxicity pesticides should be used to control pests, and the use of chemical pesticides should be stopped after corn is spun to ensure the absolute safety of fresh corn. 7. Timely Harvest: The best harvest time for fresh super sweet corn is 20-30 days after pollination, generally no more than 25 days. When harvesting, it is appropriate to take a few leaves, cut the filaments, and timely supply the market with fresh produce on the day of harvest. Or processing to ensure freshness and quality, fresh super sweet corn, eat raw or steamed, eat crispy flavor.
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