A Complete Guide to Winter Management Techniques for Zucchini
Zucchini, also called baby pumpkin, is a very popular vining vegetable, though despite the name its nutrients and flavor differ from those of pumpkin. Now that winter has arrived, zucchini growers across China are preparing for overwintering work. However, some people do not know how to manage zucchini in winter, so below we bring you winter management techniques for zucchini. Let's take a look!
1. Transplanting management
Some growers start transplanting in winter. When transplanting in winter, pay attention to planting density and do not plant too densely; the row spacing should be kept at about 55 cm. When the seedlings have grown about 3 leaves after sowing, dig a ditch around the planting greenhouse to prepare for irrigation and drainage after transplanting. After successful transplanting, cover with plastic film promptly to improve the soil's heat retention, reduce water evaporation, and promote the growth of zucchini seedlings. After transplanting, manage the seedlings well and strengthen water and fertilizer management to ensure zucchini has sufficient nutrients for growth.
2. Temperature and humidity management
Temperature and humidity are very important to zucchini growth. Zucchini prefers warmth, so after transplanting, the daytime temperature in the greenhouse should be controlled at around 27 degrees, with a day-night temperature difference maintained at around 10 degrees. Once zucchini has successfully recovered from transplanting, the temperature can be lowered appropriately by 2-3 degrees, though the nighttime temperature should not fall below 12 degrees. Once zucchini begins to set fruit, gradually raise the temperature to the range used at transplanting. Humidity in the greenhouse should not be too high; when humidity is too high, ventilate appropriately according to temperature changes to reduce humidity, as excessive humidity easily triggers various pests and diseases.
3. Water and fertilizer management
Before transplanting, apply sufficient base fertilizer, mainly fully decomposed farmyard manure. If the base fertilizer is insufficient, seedlings will lack nutrients and are prone to deficiency symptoms. After transplanting, water thoroughly, then water again before flowering. However, in winter pay attention to the amount of watering; do not water too much, and the watering frequency should not be too frequent, to prevent excessive water from causing frost damage to zucchini. Finally, during the growth period of zucchini, topdress promptly, especially during the peak growth period, to ensure all the nutrients needed for zucchini growth are met.
4. Pruning management
Zucchini is a vining crop, so during its growth period we must also do a good job of pruning and trimming. If pruning is not done properly, the vines will grow wildly, affecting the light absorption of the fruit-bearing mother branches, preventing normal growth and fruiting, and reducing zucchini yield. Therefore, we should promptly trellis the zucchini vines, then cut off overly long, overly dense, pest-damaged, and crossing or overlapping branches. This prevents excessive nutrient consumption, concentrates nutrients on the fruit-bearing mother branches, improves zucchini's light absorption, and promotes zucchini growth.
The above is a brief introduction to winter zucchini management techniques. Winter management of zucchini is very important. While doing this management work well, we must also pay attention to pest and disease control to ensure zucchini growth is not affected and to protect your own economic returns from growing. That is all for today's introduction. This article is for reference only. Thank you for reading and your support.