Zucchini is one of the vegetables that are often seen on the table. The sales of zucchini are also on the market, so there are more plants. Many people find that the zucchini often has large and small heads. Today, Xiaobian will share with you the size of zucchini. The reason for the head? How to prevent the size of the zucchini?
Reasons for the size of the zucchini head:
The size of zucchini is a common phenomenon in the cultivation of zucchini. The size of the head of zucchini is due to insufficient supply of photosynthetic products. During the development of the young melon, it is not possible to get enough nutrients in time, which causes the swelling of the head of the melon to be affected. The "tip" phenomenon is a physiological disease.
There are many reasons for this disease, mainly due to unreasonable management of fertilizer and water, excessive fruit setting, and unsuitable temperature and humidity. To solve this problem, we must take measures to prevent it in advance. Once the "tip" shape of melons appears, it will be difficult to improve in later development. The best way is to remove the pointed melons in time to avoid wasting nutrients. .
How to prevent the size of the zucchini head:
1. It is necessary to properly retain the melons according to the growth of the plants. For the robust plants, generally take 4 to 5 melons per plant, and avoid one leaf and one melon, so as to avoid the appearance of pointed melons due to insufficient supply of nutrients.
2. Pay attention to the rational use of the sunshade net and increase the ventilation of the greenhouse. Zucchini does not like high temperatures, especially the high leaf temperature, which causes the respiration to strengthen. Most of the photosynthetic nutrients are consumed, resulting in insufficient nutrient supply of melons, and the appearance of melons and slow growth. During the seasoning period, it is best not to exceed 23 °C during the daytime, and the nighttime temperature should be controlled at around 13 °C. At the same time, we must also pay attention to the removal of the old leaves in the lower part of the plant (to retain the leaves to keep the handle) to enhance ventilation, discharge moisture, avoid disease, affect the photosynthetic efficiency of the leaves.
3. Strengthen the management of fertilizer and water and increase the amount of fertilizer. Because zucchini is a high-yield crop, it also breeds new melons while expanding and growing. Therefore, it needs big water and big fertilizer. In addition to using foot-based fertilizer, it is necessary to pay attention to the application of fertilizer to supplement nutrients. During the melon period, about 30 kilograms of high-potassium fertilizer can be applied per acre. At the same time, in the period of zucchini melon, can not be watered a lot, not to dry and wet, so as to avoid root injury after watering, affecting the absorption of fertilizer by roots.
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