Cultivation techniques of wax gourd in greenhouse in early spring
First, seedlings early spring production of wax gourd should be selected short-crane early maturing varieties, in the middle of the 12 seedlings. The temperature during the nursery is 25-28°C during the day and 13-15°C during the night. If this temperature is not reached, you can use the geothermal line or stove to warm it up. To ensure the complete root colonization, use 9-cm plastic nutrients or 10?0 Centimeters of nutrition clods. Planting reached the age of 50 days, 5 leaves, stem diameter more than 5 mm, plant height 18 cm.
Second, planting and planting time for the middle and late February, before planting land preparation. For high-yield cultivation with a yield of over 5,000 kg, 4,000 kg of high-quality organic fertilizer or 2000 kg of chicken manure should be applied per mu. In addition, 100 kg of cake fertilizer, 50 kg of superphosphate and 25 kg of potassium sulfate were added. After plowing with 80% of the total amount, pour 30 cm deep into the lotus root, remove the ditch with a 70 cm line spacing, and apply the remaining 20% ​​of the fertilizer along the ditch. Prepare the planting with a mortar and stir well. Choose sunny weather, put the seedlings in the ditch and water them. After the water seepage, seal into a single ridge, ridge height 15 cm, width 25 cm, suitable for planting density of about 2500 per mu.
Third, after the planting management Solar greenhouse wax gourd must be scaffolding cultivation. A frame is required for the trip. A bamboo or wooden stick is used to form a “door†shaped flat rack with a height of about 80 cm. The rack is pulled down with a wooden pole or a small bamboo pole. The lychee other than the main vine was destroyed in time, leaving one main vine. When the vine is on the shelf, let the vine spread on the ground and put it on the shelf. That is, the first row of melons climbs to the second row on the ground to introduce the vines, and the second row climbs to the first row when the floor climbs. On the opposite side, the cultivation is relatively tidy and easy to manage. Always pruning to prevent bullying and keeping the main advantage. The pre-japanese temperature management should be suitable during the day at 28 to 30°C and 13 to 15°C at night.
Solar greenhouse greenhouse winter melon production in the early spring, in order to mention the market and strive for higher yields, generally choose to stay in the second melon, at the 10th-12 leaves. During normal growth, the open position of the female flower is just above the culture pod. After flowering, hormone and artificial-assisted pollination should be used to ensure stable fruit setting, rapid growth after fruit setting, and early listing. The humidity in the greenhouse is high and the temperature is high. After the flowers are opened, the anthers are loose. Therefore, after the female flowers of the second melon are opened, the flowers are treated with a concentration of 100?0-6 at 2,4?d and at 8?9 in the morning. Handle, after 10 o'clock, anther cracking began to loosen powder, and artificial pollination was conducted immediately before and after 11 o'clock. Only one fruit was pollinated per tree, and the others were promptly removed. After fruit set, the temperature is 30-32°C during the day and 15-18°C in the evening.
After melon melons, water and fertilizer if timely, 25-28 days to market. About 50 grams of young melons (such as large eggs) must be timely watering fertilizer, topdressing 25 kg of urea per acre topdressing, every 8 to 10 days, select the fine weather and then watering topdressing 1 times. Prevent flooding and flooding, so as to avoid flooding the baby to cause melon. Increase the air volume after watering to prevent the air temperature from being too high and cause diseases. The temperature during the expansion period is 30-35°C during the day and 15-18°C during the night. In order to reduce the consumption of nutrients, the lower old leaves are promptly destroyed.
When the first melons are harvested in late April, further water management can promote continuous fruiting. The scaffolding cultivation should be carried out smoothly, and 50 kg of three-element compound fertilizer or 100 kg of cake fertilizer should be applied per mu. Watering in time after fertilization, the temperature during the day 28? 32 ° C, 17 ° C at night, 4? 7 days after the opening of the female flowers, artificial pollination methods can be used to sit melon. During this period of time, temperature management is focused on preventing high temperature hazards. When the temperature is higher than 35°C, the ventilation volume must be increased. After the ventilation, the excess melons should be removed in time, and 1 melon per plant should be kept. About 25 days, the second day can be listed one after another. Due to the large plant size, sufficient light, and appropriate temperature, the single fruit weight and yield were higher than the first one. Continuing to strengthen management can also be fruitful again.
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