Beet mulching cultivation technology

I. Main content and technical and economic indicators

Beet mulching cultivation is a new technology in sugar beet production. The mulching film covers the role of warming, protecting and inhibiting the increase of soil salinity; it can improve the ecological condition of sugar beet, help to protect seedlings, enter the rapid growth period of leaf groves early, promote the growth of roots, prolong the growth period, and obtain high yield. According to the current production level, generally increase the yield of roots by 600-1000 kilograms per mu, and increase the net income per mu by 50-100 yuan. The main technical measures are as follows:

l. Selection of land and selection: mulch beet should be flat, the soil layer is deep, the soil is fertile, the soil is loose, and the irrigation and drainage is convenient, avoiding the wetlands and low-lying land. Generally, it is selected as the wheat field, the corn field, the soybean land, and the highland land. It is not heavy, and it does not meet the cockroaches. It takes at least four years to turn the beets.

2, deep loose soil preparation, apply enough base fertilizer: sugar beet is a deep root crop, deep pine can maintain the original tillage layer, while the beet roots are tied down, the root body is easy to expand, requiring autumn deep pine 25-30 cm, and do the leveling Fine. The mulch beet has a strong growth potential. There is more nutrients needed than no film, so it is necessary to apply enough base fertilizer. 2-3 tons of sugar beet per mu, generally 2000-3000 kg of high-quality agricultural fertilizer, 25 kg of standard nitrogen fertilizer, 30-50 kg of superphosphate.

3. Sowing: The special seeds are mixed with soaking spirits (soil fungus) and dichlorvos to prevent and cure beet weevil and seedling blight. The specific method is: add 100 kg of water to 0.8 public halls of dry spirit or 0.4 kg of diclosan, add water 35-40 kg, or use methylthiophosphorus (5%) l-1.3 kg, 50 kg of water, boring Seed 100 kg for 24 hours, sow after drying. The mulching sugar beet is planted earlier than the non-filming, and it can be sown when the temperature of the local 3 cm is 5 °C. The northeast region is generally in early April, and the north China region can be planted in late March. Ground wax covered beets require equidistant on-demand. When planting, 20-30 kg of calcium phosphate per acre is used as mouth fertilizer. After covering the soil, the seeding depth is required to be uniform, and it is better to make the planting hole concave and make the surrounding protrusion. In this way, the seedlings will not immediately contact the mulch after being unearthed, and can grow to two pairs of true leaves under the membrane.

4, film: generally take the first seeding after the film, with the cover with the cover, the cover film is required to be tight, attached to the ridge surface and the ground, both sides of the film and the ground are required to use soil pressure, and to check the quality of the cover at any time, If there is a leak, it must be pressed with soil in time.

5, put seedlings, seedlings, seedlings, seedlings, uncovering film: coated beet, when unearthed to two pairs of true leaves, it is necessary to put seedlings in time, you can use a knife to draw a "ten" shaped small mouth on the seed hole, and then use fine The film is pressed around the soil along the hole for a week to prevent the wind from drilling through the hole, lifting the film, causing the wind to leak, and the film temperature is lowered, which does not mean the film. When the seedling grows to three pairs of true leaves, the seedlings are kept, and 3-5 plants are kept in each hole. When the seedlings grow to four pairs of true leaves, the seedlings are fixed, and one seed is left in each hole. Before the seedlings are checked, the seedlings should be inspected and found to be lacking. Timely transplanting with soil will be carried out, and the film will be uncovered after 70 days of film coating, which is conducive to field management and accumulation of sugar in sugar beet roots.

6. Weeding and control of pests and diseases: At present, there is no good herbicide in the cultivation of sugar beet mulch. When the film is covered, the weed growth may be accelerated, and the soil film and the weed under the film may be used to inhibit the weeds. The pests that endanger the sugar beet are mainly cabbage night thieves, and the disease is mainly brown spot disease. For the cabbage night thief to be controlled by trichlorfon, dichlorvos or enemy killing in the middle and late June, and then again in early August. For the prevention and treatment of brown spot disease, the central diseased plant was found in time and sprayed with 50% carbendazim.

Second, promote the applicable areas and areas of the northeast, northwest, and north China. (尔竹)

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