Planting Techniques of Zucchini in Winter

The planting age of zucchini is reasonable. The seedling age is 25-30 days, and the seedling grows to 2 leaves and 1 heart or 3 leaves and 1 heart. The standard for strong seedlings is that the seedlings are short and strong, with thick leaves, short stalks, and well-developed roots.

When planting, the large row spacing is 60-65 cm, the small row spacing is 50-55 cm, and the plant spacing is 40 cm. When planting, first draw a shallow ditch in the shed in the north-south direction according to the row spacing, with a depth of 3-5 cm, and then arrange the melon seedlings along the shallow ditch according to the spacing of the plants. Use a pick to hook the soil on both sides to form a high ridge with a height of 20 Cm, 30 cm wide, and then covered with mulch film to facilitate heat preservation, prevent water evaporation, reduce humidity in the shed, reduce disease, and promote the healthy growth of seedlings.

During the period of environmental adjustment and planting slow seedlings, the shed should maintain a higher temperature, 25℃-30℃ during the day and 18℃-20℃ at night; after the slow seedling, the temperature should be appropriately lowered, 25℃ during the day and 12℃-15℃ at night; Properly increase the temperature, 25℃-28℃ during the day and 15℃ at night; during the severe winter, the temperature should be kept at 28℃-30℃ at noon to prevent the night temperature from being too low. After the cold winter, increase ventilation and restore the temperature management standard before the severe winter.

The adjustment of humidity and gas should be carried out in conjunction with temperature management. Measures such as ventilation and cooling, the use of non-drip film, and covering with mulching film during planting can significantly reduce the humidity in the shed. Timely discharge of harmful gases in the shed is conducive to the exchange of carbon dioxide outside the shed.

Fertilizer management After planting zucchini, water it thoroughly, and control the water to bloom and set fruits; after the first melon sits, water the first water, and the subsequent water management is carried out according to the principle of watering the flowers and not the melon; the water demand is large during the fruiting period. In the cold winter season, water should be watered as little or as little as possible to prevent lowering the ground temperature. When the growth of summer squash accelerates, top dressing should be carried out, combined with nitrogen, phosphorus, and potassium, and more potassium fertilizers should be applied. 300 kg of diammonium phosphate and 400 kg of potassium sulfate per hectare should be applied. Later, top dressing and urea should be alternated.

Pruning pollination to the middle and late stages of growth, the vines creep on the ground. In order to fully receive the sun, the vines must be suspended and the diseased, damaged, old leaves, side buds and tendrils must be removed in time to avoid diseases and consume excessive nutrients.

Pest control and prevention of downy mildew, you can use 45% chlorothalonil aerosol to burn the mist at the initial stage of onset; you can also use 75% chlorothalonil wettable powder 600 times liquid for control.

To prevent and control virus diseases, spray pesticides to kill aphids at the seedling stage, and spray 1.5% Phytophyllum 1000 times solution at the early stage of the disease, spray once every 5-7 days, and spray 2-3 times.

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