Summer vegetables should avoid the four misunderstandings

Misunderstanding 1: The concentration of sprayed pesticides is too high. Many farmers' friends have to increase the concentration of pesticides in order to save time and reduce the number of medications. They do not know how to increase the concentration of pesticides at will. After the liquid is sprayed on the leaves of vegetables, the moisture evaporates. Fast, can easily cause damage to vegetables. Light causes vegetables to wilt, hinder growth and development, resulting in reduced production and quality. Severe vegetables are also poisoned and cause no harvest.

Misunderstanding 2: Shade net covering all day In recent years, in order to reduce the temperature in the summer shed, to create a suitable growth environment for vegetables, vegetable farmers often use covering shade nets or spray mud on the film to avoid glare. Direct damage to vegetables. However, there are a lot of food crops to be saved. After covering the shade net in summer, they will not be withdrawn anymore. This will not only affect the photosynthesis of vegetables, but also cause plant growth and affect the normal growth of vegetables. Therefore, it should be noted that the shade net can only be used when the noon light is strong and must not be covered all day long. In addition, silver-gray shade nets should be used as far as possible.

Myth 3: Chicken droppings are stored in pits for a few days even if the chicken manure is accumulated. Covering with a plastic film for 20 to 30 days can be fully decomposed. Many vegetable farmers can plant vegetables in summer, because of the time, most of them are just a few days of boring stuff. The result is often due to chicken manure is not fully decomposed, resulting in freshly planted vegetable roots dead seedlings. Therefore, before using chicken manure, summer farmers must fully decompose chicken manure, and must not be eager to seek success, causing some unnecessary losses.

Misunderstanding 4: The greater the amount of irrigation in the summer, the better the summer temperature is, and the soil moisture and plant water evaporate quickly. The vegetable farmer often increases the amount of irrigation during irrigation, resulting in excessive humidity and poor ventilation, which leads to the roots of the newly planted vegetables. Dead seedlings. In this remind everyone that no matter what the season, irrigation must be a small number of times, should not flood irrigation. The time for irrigation should be selected in the morning, and it should not be watered after 12 noon so as to prevent the vegetable roots from encountering cold water at high temperatures and causing rooting. In addition, when the vegetables are planted, they must be ridged and cultivated. The benefits of ridge cultivation in the summer are as follows: First, the soil is likely to dissipate temperature. The second is that it is not easy to cause the roots of vegetables when irrigation, and there are few dead trees and strong growth.

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