Strong summer management of cucumber is not deformed
At this stage, cucumbers in greenhouses have reached the mid-to-late growing season. Farmers often neglect the management of middle and late-stage cucumbers during this period, resulting in the appearance of cucumber malformations, which not only affect the yield, but also seriously reduce the quality of the products and bring them to growers. Serious loss. A few days ago, the reporter interviewed Professor Yang Zhongan, a professor at the Agriculture College of Northwest Agriculture and Forestry University and a vegetable expert. He introduced that it is necessary to strengthen boron supplementation to avoid overheating of greenhouses and malformation of cucumbers.
Timely supplement of boron fertilizer
Now is an important time to do a good job in cucumber management. There are many reasons for producing malformed melons. Among them, management mainly focuses on imbalanced fertilization, water shortages, high temperatures, and diseases and insect pests. However, the internal cause is mainly the lack of boron in the cucumber, and the uneven distribution of boron. Yang Zhong'an stressed that the lack of boron in the soil is generally lacking in the subconscious minds of planters. Therefore, when fertilizing, no special boron fertilizer is applied, and only N, P, and K fertilizers are added. How to prevent cucumber deformity?
Yang Zhong'an introduced that in order to properly supplement cucumbers with a large amount of water-soluble fertilizers, he recommended vegetable farmers to select a large number of water-soluble fertilizers for the production of Tianji. “Farmers can add water-soluble fertilizers when spraying, add one or two water-soluble fertilizers to 50 pounds of water as a standard, spray on the foliage, you can add boron fertilizer to the cucumber in time to solve the problem of malformed melon,†Yang Zhongan said.
Avoid excessive greenhouse temperature
The reasons for the different types of malformed melons are not the same. The lack of light during the growing period of the cucumber, the high temperature at night, the small temperature difference between day and night, irrigation water suddenly more and less frequent, but also prone to bee waist melon. Therefore, in the cucumber after the melon period to give the appropriate temperature, day and night temperature requirements larger, the night temperature not lower than 10 °C ~ 12 °C, so as not to form a deformed ovary grow into a melon.
The temperature difference between day and night of the cucumber melon period is also larger. The daytime temperature during the melon period should not exceed 30°C. The night temperature requirement is: 16°C~18°C in the middle of the night and 13°C~15°C in the middle of the night. It is necessary to strengthen the ventilation management to prevent More than 30 °C high temperature, to ensure normal fertilization and fertilization, so that the thickness of melon strip growth evenly.
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