Mini courgettes in early spring greenhouse cover cultivation
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Placement sheds 10-15 days before planting to increase ground temperature. If multi-layer coverage is used, late covers should be released early to accumulate more heat. Before planting, combine tillage with 5,000 kg of high-quality organic fertilizer per acre, 50 kg of superphosphate, 30 kg of potassium sulfate, and 25 kg of ammonium bicarbonate as base fertilizer. Two-thirds of them were planted before the farmland. After fertilizing, the soil was deep-stripping and the soil was fully mixed. Then, 70-80 cm of row spacing and 50 cm of row spacing were used to ditches, and the remaining one-third of the fertilizer was applied. Ditch. Do the ridge on the cultivation line, ridge height 15-20 centimeters. After the ridge is completed, it is covered with a wide mulch film and double ridges to cover the ridges, so as to increase the temperature and maintain the temperature, while reducing the air humidity. In the middle of the big line, a small high ridge for field walking. Proper colonization early spring Zucchini colonization too early, cold waves or strong cold weather will affect the normal growth of plants, and even freeze to death; the late planting will not reach the goal of precocious, high efficiency. In the plastic greenhouse, the minimum temperature of the zucchini in the early spring should be stable at 11°C or above, and the ground temperature should be stable when the temperature is above 13°C. Different climatic conditions in different places, different methods of heat preservation, and suitable period of planting are also different, depending on the specific circumstances. Colonization should be conducted at noon on sunny days. In order to avoid drastically lowering the ground temperature, methods of watering the planting or planting ditch should be adopted. Can be planted on the colonization ridge according to the 50-60 cm spacing between the planting points, watering the hole, until the water seepage into the seedlings, seal the hole, with wet soil to seal the membrane mouth. The depth of planting should be consistent. About 2000 strains per acre are planted. In the early stage of field management, a high-yield shelf was erected. From the time of planting to fruiting, 20-25 days prior to the establishment of management, emphasis was placed on rooting, controlling grasshoppers, preventing madness, timely cultivating and weeding, and adjusting the temperature. After the young melons sat, they began applying topdressing, applying a special brand of organic fertilizer 100 kilograms, potassium sulfate 5 kilograms per acre, fertilizing once every 15 days, and applying a special vegetable special fertilizer 20 kilograms each time. 7-10 days watering once, all in the sunny morning, after the water to enhance ventilation and dehumidification, reduce the air humidity inside the shed. After the roots were harvested, the plants were lifted with ropes to make them grow upward. In the middle and late period, yellow leaves, old leaves and diseased leaves were removed in time, and lateral buds, male flowers and tendrils were removed. Sunny days are pollinated at 7-10 am; rainy days are used with Shennong II to promote sitting. Timely harvesting is generally done 7 days after flowering. The melon grows 20 cm long and 3-4 cm in diameter when it is harvested. It cannot be collected too late.