The farmers who planted zucchini, cucumber, and loofah may have encountered similar situations: the melons of the plants are pointed, the colors are not correct, and the taste is bitter. Especially after the melons are opened, the hollows are severe. Such hollow melons have seriously affected the output value. Many vegetable farmers do not understand what causes it. Here, the experts of the vegetable medical network summarize the reasons for the hollow and deformed melons.
1. Root injury or dysplasia
When the root system of the plant is poorly developed, the nutrient absorption is inhibited, the plant resistance is decreased, the leaf growth is poor, the photosynthetic product and the absorbed nutrients are not well transported into the melon strip, which easily causes the melon strip to be deformed and hollow.
It is recommended that the vegetable farmers pay attention to the maintenance of the root system, especially in the winter and spring cultivation with low ground temperature, pay attention to the application of chitin, alginic acid and fulvic acid rooting and rooting. In addition, the vegetable seedlings should pay attention to the infection of soil-borne diseases. The root can be used for rooting and root protection by means of a bactericide and a rooting agent.
Second, the lack of calcium and boron fertilizer
As long as it is a result of vegetables, a large amount of calcium fertilizer is needed at the peak of the result, so if the calcium and boron fertilizer of the melon vegetables is lacking, the melon strips will be hollow and the taste will be bitter. The leaf surface can be sprayed with amino acid boron calcium foliar fertilizer, which can effectively alleviate the hollow problem of melon strip.
3. Indiscriminate application of chemical fertilizers
Indiscriminate application of fertilizer is a misunderstanding of the current many farmers' friends. If the application of nitrogen fertilizer and potassium fertilizer is excessive, it will inhibit the absorption of calcium and boron fertilizer, resulting in hollow and deformed melon.
In addition, the application of a large number of hormones and the application of hormone fertilizers is also a major cause of melon hollows. It is recommended that the vegetable farmers can choose high-grade elemental water-soluble fertilizer (Yita water soluble fertilizer 20-20-20+TE, 20-10-30+TE), and the large and medium trace elements can be balanced and efficiently supplied without causing soil compaction. It can avoid many physiological diseases caused by uneven nutrient supply.
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