Garlic diterpene (double season) cultivation techniques

First, what is the second crop (double season) garlic. The so-called diterpene (double-season) garlic is grown in the season with a season of early garlic and a season of mulch garlic (also known as garlic, alfalfa and garlic). Benefits of the second and second crops of garlic 1. Effectively improve the land utilization rate and realize the "three-three-income" or "four-four-income" planting system in a year, namely "maize â†’ leek â†’ garlic" or "maize â†’ watermelon Or wax gourd â†’ green garlic â†’ garlic." Every year 4-5 days before the "Ching Ming" Festival, two lines of corn are planted on the side of garlic (best for planting fresh corn), corn stalks are left for covering garlic, and early water melons or melons are interplanted in a large line of garlic (garlic). (Watermelon or wax gourd seedling transplanting method), in the watermelon or wax gourd growth harvest garlic; in mid-July before planting garlic, from the end of September - early October from the garlic market; in late October planting film mulching garlic. 2. The growth of garlic in the second crop was significant. According to a survey conducted by growers in Yuhua Town, Dafeng City, the per mu output value of the second crop of garlic was 3,800-4,400 yuan, which was 52-46.6% and 111.1% higher than the single-season garlic of 2,500-3,000 yuan and the garlic harvest of 1,800 yuan per season. The net income of Mu is 2,300-2,900 yuan, which is 1,500-2,000 yuan higher than that of single-season garlic, and the income is 53.3-45% and 76.9% higher than that of 1300 yuan. Third, the second point of garlic cultivation technology points 1, to select high-quality and strong spring varieties. The Dafeng area generally chooses "Dingshui early" as its head of garlic. 2, do a good job in seed processing, and strive to broadcast in the early days. This is a key technology for the success of garlic cultivation. Yuhua garlic farmers generally adopt the method of refrigerating garlic to treat garlic seeds. Will soon be peeled garlic garlic, 10-15 days before sowing will be put into a constant temperature storage, storage at 0 Â°C temperature for 10-15 days (maximum not exceeding 20 days), breaking the species garlic dormancy period. Different garlic varieties have different cold processing times, and production must pay attention to this. If the time is too short, it will not break the dormant effect of the kind of garlic; if the time is too long, the growth of the garlic will accelerate after the emergence of the seedlings, and the vegetative growth will be inhibited, which will not be conducive to the high yield of the garlic. Garlic should strive for early sowing, generally should be sown before and after the "big heat". If you have any time, you can sow in advance until mid-July. 3, increase the amount of broadcast, increase the density. Early garlic growth period is short, the individual growth is small, to increase the amount of seed to increase the density. General spacing 12-15 cm, spacing 1.5-3 cm, 1.2-1.5 million garlic per acre seeding. 4, timely harvest, Teng Yu sowing garlic. Early garlic growth period is generally 70-80 days, from the end of September can be listed on the garlic. However, in September and October, the light conditions such as sunshine and temperature are good. It is the period of growth of green garlic. The length of growth is one day in the field and the yield is not the same. Therefore, garlic should be used in accordance with the principle of â€œkeeping the seasons and striving for benefitsâ€, but it should be harvested by October 25 at the latest. Harvest garlic (mulching film) is mainly to receive garlic sprouts and garlic. Because the sowing time is 15-30 days later than that of conventional cultivation, the time for garlic picking is also 7-10 days later. Therefore, late mature varieties should be selected. The main cultivation techniques for harvesting garlic are as follows: One must apply enough base fertilizer to promote growth. To "three fats" with the application, that is, Mushi organic fertilizer (goat, pig, poultry, human feces) 1000-1500 kilograms, garlic compound fertilizer about 50 kilograms, the former cover surface fertilizer (corn stalks, straw) 1500 kilograms Left and right for basal fat; Second, when sowing, timely sowing. It is necessary to make sure that the garlic is separated from the field, a piece of land is prepared, a piece of seed is sown, and the gap between the sowing date of conventional garlic is minimized, with particular emphasis on the latest sowing date at the end of October. The third is to increase the temperature of the film and strive for early seedlings. Usually after sowing, before the seedlings cover the ultra-thin film, the amount of 2-2.5 kilograms per acre, which can be directly broken by garlic buds, without artificial rupture. Warm winter can not cover the film, fertilizer and water can be used to regulate the growth of garlic; four should pay attention to increase the application of green manure, heavy application of manure. Urea 12-15 kg can be applied per acre. Four, two wolfberry garlic cultivation should pay attention to several issues, one is to prevent the secondary growth of plastic film garlic (birth). The reason for the secondary growth of garlic is that the accumulated temperature before winter is too high. It is necessary to decide whether to cover the plastic film according to weather forecast. Second, it is to prevent garlic diseases. The common diseases of garlic are leaf blight and heart rot. The crux of the disease is many years of heavy rickets. Therefore, the second crop of garlic should be planted in new plots, and try to avoid replanting.

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