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1. We can cultivate sweet and waxy corn in fields, hills, and slopes that can grow ordinary crops and isolate ordinary corn. We can also intercrop with wheat and rapeseed. It is required that the soil in the plot should be fertile, and drainage and irrigation be convenient. In particular, there must be good isolation conditions and no other varieties of corn should be planted within a range of 500 meters to prevent flyflowers from affecting their quality.
2. Timely sowing, reasonable close planting of common spring corn sowing at the beginning of March, autumn corn sowing at the end of July to the beginning of August.
Before planting, sufficient base fertilizer should be applied, and 667 square meters of farmyard manure (chicken and pig manure) should be applied for 1500-2000 kg, superphosphate 50 kg, carbon adjuvant or urea 20 kg. Wide and narrow rows were cultivated, with a width of 73 cm, a narrow row of 37 cm, a plant spacing of 22-28 cm, and 667 m2 of 3200-3600 plants.
3. Strengthen the management of fertilizer and water The sweet corn needs a large amount of fertilizer. In order to ensure the yield, it is necessary to apply fertilizer in sufficient amounts in time on the basis of sufficient base fertilizer. When the big bell is used, 667 square meters of urea will be 14-18 kg. Potassium 5 to 10 kg of potash was discarded; at the earliest stage, 667 m2 was sprayed with foliar monobasic potassium phosphate (200 g) plus 250 g urea (50 kg water) to increase the weight and quality.
4. Control 667 m2 of pests and seedlings with furandan 3 kg to prevent underground pests; from late April to mid-to-late May, 667 m2 of Dimethoate 0.2 kg water 60 kg to control locusts; late May - In early June, 667 square meters with 0.2 kg of trichlorfon against 60 kg of water to control corn borer or 2.5% of the enemy's killing of EC, 20 to 28 ml of water per 667 square meters of 60 kg of water, spraying during the big bell mouth period; In the first half of June, 667 square meters was sprayed with 0.2 kg of 5% Jinggangmycin and 60 kg of water to control corn sheath blight.
5. Other management measures to go. In order to prevent the spikelets from reducing yields and yields, only 1 to 2 per plant were left, and the surplus panicles were promptly removed.
Artificial assisted play. Artificial pollination during pollination can increase the number of grains and reduce baldness. In case of rainy weather, artificial pollination should be strengthened.
Detached. In order to reduce nutrient consumption and increase grain weight, all tassels were cut after pollination was completed.
6. Timely picking up the corn stubble is about 20 days. Just after the grain filling period, the white pulp can be picked up by hand and it can be harvested. When harvesting, it must be noted that there must be 4 leaves wrapped in order to maintain its tenderness. Harvested tassels should be listed on the market or kept fresh.
With the continuous improvement of people's living standards, diversified and multi-level requirements have been imposed on the dietary structure. The development of sweet waxy corn with high nutritional value, processing and utilization value, and economic value has become a hot spot for consumerism and production. Planting high-quality glutinous corn and sweet corn, generally 667 square meters of fresh corn 800 to 1000 kilograms, more than 400 kilograms more than normal corn, 667 square meters to increase income 600 to 700 yuan, if the use of advanced cultivation techniques, early or anti-season The listing is more effective. Therefore, the selection and cultivation of high-quality sweet corn and waxy corn is one of the effective ways to adjust the crop structure, develop specialty products, meet market demand, increase economic efficiency, and increase farmers' income. To grow high-yield sweet and waxy corn, we must grasp the following key technical links.