High-yielding Cultivation Techniques of Winter Maize Fresh

With the adjustment of the crop structure, fresh corn is not only favored by farmers in summer and autumn but also by farmers in winter. There are many river valleys below 800 to 1,200 meters above sea level in Qujing, such as Wangjiashan Village in Nagu Town, Xiaohebian Village in Zhichang Township, and Huanglishu Village in Dajing Town. In these areas as long as the use of plastic film covering cultivation techniques, planting fresh corn is easy to succeed. According to preliminary statistics, from 2003 to 2004, the planting area of ​​Huazhen and Jinfeng No. 5 was nearly 10,000 mu. The output value exceeds 10 million yuan. The Huazhen variety is taken as an example to introduce its cultivation techniques. Selected fine seed seeds must be purchased from the formal sector and a variety of species must be obtained in order to check the date of production, variety quality, purity, cleanliness, and test the germination rate. Finely-prepared winter and early-maize corn must have fine soil preparation because of its strong seasonality. It is required to achieve soil fineness, ditch-straight, flat-grained, and straw-free sundries so as to avoid damaging the membrane and affecting irrigation and drainage when the membrane is covered. Timely sowing of early winter and early winter maize generally lasts for 130 to 150 days. In frost-free or slightly dewy areas, it can be planted from October to December. In an area with an altitude of about 1800, the seedlings can be planted in late February of the following year. Plants can be sown at any time in winter where the temperature does not drop below 12°C. Regardless of live broadcasting or transplanting seedlings, mulching technology must be used, and high-altitude areas should be added to a small shed to increase temperature. Seedlings are soaked in warm water at 30°C to 35°C for 8 to 10 hours, germinated with vegetable garden soil, hand-kneaded into a bag, and the germinated seeds are sown in two-thirds of the nutritional bags from the bottom. Fine soil, covered with a film, when the seedlings grow to two leaves one heart can be transplanted. Attention should be paid to nursery areas where leewards are sunny and easy to move when transplanting. The specific method: the use of wide and narrow rows of cultivation, large-scale 1 meters, 0.33 meters small rows, plant spacing 0.25 to 0.3 meters, per acre to ensure that 4000 seedlings are appropriate. When the film is planted, the film should be straightened, tightened and compacted, poured enough water, and the seedlings should be sealed with fine soil to prevent the wind from blowing the film. High-altitude areas need to be built into high-sorghum noodles, and the ponds should be deepened. After the planting, the seedlings should be kept in membranes for a period of time. When the temperature stabilizes in early March, the seedlings are sealed again. Or add a small shed to protect the seedlings. When the temperature is stable above 12°C, remove the small shed. Fertilization techniques The base fertilizer is about 150-300 kg of fine organic fertilizer per acre, 15-25 kg of compound fertilizer, and 15 kg of urea mixed into the pond. Topdressing 35 to 40 kg of urea per acre, two times to recover, the first time in the leaves five to six leaf period chase 40%, the second time at ten to twelve, combined with the earth to recover the remaining 60%. Insect pests generally have less insect pests in winter, but they mature in the period from April to May. They can be used to kill insecticides with high efficiency and low toxicity during the silking period. Timely harvesting of Huazhen live stalk matures, and it can be harvested and listed 30 days after pollination. (Huize Agricultural Bureau)

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