Integrated Cultivation Techniques for fresh corn are closely study and research about the quality of fresh corn resistant, high-yield cultivation of key technologies, integrated high-yield corn population structure control technology, seedling seedling technology, excellent water fertilizer coupling technology, research proposed The technical model of 4,500 high-quality fresh ears (length greater than 16 cm) can provide technical support for large-area super high-yield production in Huanghuai seafood corn planting area. The main points of high-yield and high-efficiency cultivation techniques are as follows
1. Isolation and cultivation with ordinary corn to prevent the quality of the powder. It is necessary to maintain a spatial distance of more than 500 meters, or use the staged seeding method for time isolation, but the staged sowing time should not be less than 20 to 25 days.
2. Finishing the land, testing the soil, and applying the base fertilizer. Fresh corn has a short growth period. According to the formula, the fertilizer can be applied at all, mainly organic fertilizer, with phosphorus, potassium fertilizer and quick-acting nitrogen fertilizer. The application rate of organic fertilizer should be no less than 1500-2000 kg per mu.
3. Planting density. The suitable planting density is 3,500 to 5,000 plants per mu.
4. Fine sowing at the appropriate time. The temperature of 5 cm is stable through 12 °C, and the summer sowing can be determined according to the growth period and the local effective accumulated temperature.
5. Planting methods. Suitable for wide and narrow row sowing, that is, wide line 80 cm, narrow line 40 cm. It is suitable for early sowing in the form of a double-row cultivation with a small arch shed.
6. And time seedlings, fixed seedlings. When planting seedlings, it is necessary to leave large seedlings to seedlings to ensure that Miaoqi, Miaoquan, Miaowang, and tillers appear to be removed in time.
7. Control pests. Do a good job in the prevention and control of seedling pests and corn borers in the middle and late stages. In order to prevent food poisoning, pesticides should be used with caution in the middle and late stages . After pollination, biological control pests should be used, chemical pesticides should be used as little as possible, and highly toxic pesticides with long residual period should be banned. Control underground pests with 5 kg of 3% Mole granules per acre, mixed fine sand in the planting ditch; control corn borer can inoculate Trichogramma eggs in the big trumpet period, use Acaricidal bacteria, Beauveria bassiana powder, etc. Fill the heart. Chemical control before the tasseling, when the rate of flowering leaves reaches 10%, it is suitable for prevention and treatment. It can be used with 80% dichlorvos EC 2500-3000 times liquid, 10-15 ml per plant, the control effect is more than 85%, and the corn carp can be treated concurrently. horse.
8. Regular topdressing. Generally, two top dressing methods should be used, and each one is applied once during jointing and filling.
9. Harvest at the right time. Generally, about 20 to 25 days after pollination (milk ripening - late milking stage), fresh ears can be harvested. Sweet corn ears have the highest sugar content 22 to 25 days after silking, and the skin is the thinnest, which is most suitable for harvesting.
10. Appropriate promotion area: Corn production area in Shandong Province.
The electric tool is a kind of small electric motor or electromagnet as the power. A small tool that drives the working head through a transmission mechanism. There are a wide variety of electric tools, complete functions, easy to carry, and simple to use. They have been widely used in various industries and have entered the family. Electric tools are divided into handheld and movable There are two types. Hand-held power tools are more flexible, convenient and widely used. Many varieties have become necessary tools for production and life. There are many brands of power tools. According to the functions and uses of power tools, they are divided into nine categories. . Mainly are the following nine categories:
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