Zucchini, also known as white melon and winter squash, is a very delicious vegetable. Zucchini planting belongs to melon vegetables, which is more cold-tolerant, but not resistant to high temperature. The optimal growth temperature is 20-25 degrees. The flowering result period requires higher temperature and generally needs to be maintained at 22-25 degrees. As can be seen from the temperature, zucchini is best planted in spring or autumn, usually in spring. The cultivation method of zucchini can be divided into open field, ground cover, greenhouse cultivation in greenhouse, etc. The cultivation of zucchini is divided into seedling and planting. Generally, the seedlings of zucchini can be planted in the heart of 3 leaves and 1 heart.
When is the zucchini listed?
The sowing period is suitable for mid-August, planting in mid-September, beginning in mid-October, and drawing up in mid-February in February. The harvesting period is more than 120 days, which can obtain higher yield and benefit.
Growth habits of zucchini
- Temperature: The optimum temperature for the growth of the zucchini is 20-25 °C. The growth is slow below 15 °C and stops below 8 °C. It grows slowly above 30 °C and is highly prone to disease. The suitable temperature for seed germination is 25 ~ 30 ° C, 13 ° C can germination, but very slow, 30 ~ 35 ° C germination is the fastest, but easy to cause long. The flowering result period requires a higher temperature, and is generally maintained at 22 to 25 ° C. The minimum temperature for root growth is 6 °C, and the minimum temperature at which root hairs occur is 12 °C. The fertilized fruit can develop normally at a night temperature of 8 to 10 °C.
- Illumination: The light intensity of the zucchini is moderate, and it is more resistant to low light, but it is easy to cause long when the light is insufficient. It is a short-day plant in terms of photoperiod. The long-day condition is conducive to the growth of stems and leaves, and the period of melons is earlier in short-day conditions.
- Humidity: Zucchini is moist, not resistant to drought, and is prone to viral diseases under high temperature and drought conditions, but high temperature and high humidity are also likely to cause powdery mildew.
- Soil: Zucchini is not strict with soil requirements. Sand, loam and clay can be cultivated. The loam with deep soil is easy to produce high yield.
Cultivation techniques of zucchini
- Site preparation: The soil fertilization is mainly based on organic fertilizer. Generally, 2000 kg of organic fertilizer is applied per mu, 75 kg of cake fertilizer, 40 kg of compound fertilizer, and 80 kg of grass ash. Spread the fertilizer evenly on the ground, turn it 30 cm deep, and level the ground.
- Ditching and mulching: using deep ditch sorghum, mulching and cultivation. Generally, the width is 100 cm, the height is 20 cm, and the width is 25 to 30 cm. The surface of the dough should be leveled again before the film is covered, and the herbicide should be sprayed. When covering the film, it must be tightened and flattened so that the mulch film and the enamel cover are closely attached, and the periphery of the film is compacted with soil. After soil preparation and fertilization as a cover film, use 45% of the bacteriostatic agent for 1 kg of smoke per acre before planting, and close the greenhouse for 7 days.
- Timely colonization: generally planted in mid-March, when the seedlings are in the 3rd leaf 1 heart or 4 leaves just unfolded, the seedling age is fixed in about 30 days. Small varieties are planted in rows of 40×40 cm, with about 1800 plants per mu. Large-scale varieties are planted in rows of 50×50 cm, with about 1600 plants per mu. 1 day before planting, the seedbed is watered, the seedlings and seedlings are selected, and the roots are transplanted as much as possible. When the planting is done, the roots should be stretched normally. After planting, the root water should be poured, and the planting holes should be tightly covered with fine soil. After that, water is poured once a day until the seedlings survive.
- Temperature management: no ventilation during the slow seedling stage, increase the temperature of the shed, and promote rooting. The shed temperature should be maintained at 25-28 °C during the day and 18-20 °C during the night. When the shed temperature exceeds 30 °C at noon on sunny days, it can be properly ventilated. After the slow seedling, the shed temperature is controlled at 20~25°C and 12-15°C at night, which is beneficial to the differentiation of female flowers and early sitting. After sitting on the melon, keep the temperature to 22 ~ 26 ° C during the day, 15 ~ 18 ° C at night, the minimum is not lower than 10 ° C, increase the temperature difference between day and night, is conducive to nutrient accumulation and melon expansion.
- Pollination and fruit preservation: When the temperature is low in the early spring, artificial pollination must be taken. Generally, before 9:00 am, the male flowers opened on the same day are taken, the corolla is removed, and the female flower stigma is gently applied. Or use phytohormone such as anti-fallin and Cycloheximide according to the instructions for use.
- Fertilizer management: According to the soil moisture, timely watering. In the later period of lack of fertilizer, it is possible to apply 10 to 15 kg of compound fertilizer or spray foliar fertilizer per mu.
- Harvesting at the right time: The zucchini is mainly based on edible melons. When it meets the requirements of commercial melons, it is harvested. The plants that grow vigorously should be kept more melons and melons, and the plants with long lengths should be harvested at night. Plants with weak growth should have less melons and early melons. Do not damage the main vines when picking, and keep the stalks on the main vines as much as possible.
As mentioned above, the planting time of zucchini is generally around August, but in some places, the time of planting will vary, depending on the local climate. Zucchini is a very large-volume vegetable that grows easily and is one of the most well-grown vegetables! Conditional friends can grow at home and have delicious nutrition!
This article URL: Zucchini planting technology? Cultivation time and fertilizer management measures [Figure]
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