Mistaken area of ​​greenhouse cucumber production and prevention measures

The current situation of greenhouse cucumber production, there are four common management misunderstandings:

First, re-treatment

In the prevention and treatment of pests and diseases, some farmers and farmers are greedy for cheap, just buy some cheap medicines and finish the work. The effect is not guaranteed. Once the disease spreads, they have to be beaten and beaten. The result is that the disease has not been completely cured, and the leaves are all given. After the coke, the melon tires also burned, and the output of the hand was running.

Second, blind fertilization

Some vegetable farmers don't reasonably choose different formulas based on their own melons and the amount of melons. Instead, they can see what fertilizers they use and what they apply. If you don’t know how to apply them, you will pay less. Point, often the effect of fertilizer is not obvious after use, the heavy will burn roots, dead cockroaches.

The third is to ignore the root-rooting measures

The root system is the "stomach" of the plant. Just like a human being, the appetite is good. The body is full of sticks, the stomach is not good, and there is no absorption capacity. Fertilization can not play much, and it can cause fat damage. Many vegetable farmers do not realize the importance of rooting. They find that the growth of melons is not good. They only know how to increase the amount of fertilizer. However, the more chemical fertilizers are used, the slower the roots are recovered, and the delays are not prosperous.

Fourth, abuse of growth regulators

Any kind of growth regulator has strict use concentration and drug interval in different growth stages of crops. If you use it blindly, it will affect the normal growth of crops, but affect the yield.

I suggest you do the following four improvements:

Change the treatment of light and light defense to prevent

The humid microclimate in the greenhouse is conducive to the occurrence of various diseases such as downy mildew, gray mold and target spot disease. On the basis of reasonable adjustment of temperature and humidity, regular drug use prevention is an important measure to control cucumber diseases. "If you don't get sick, don't fight drugs, get sick and fight drugs." "It's better to kill, not to die." These misconceptions should be reversed. In the use of drugs, qualified products produced by regular pesticide factories should be used.

Second, blindly fertilizing for formula fertilization

Studies have shown that cucumbers absorb nitrogen, phosphorus and potassium in a ratio of 5:2:6. Fertilizing cucumbers should be based on this principle to select suitable fertilizers for NPK, and also pay attention to supplementing calcium fertilizers, as well as zinc, Boron, iron and other trace element fertilizers, only a comprehensive balanced fertilization, can meet the needs of high yield of cucumber. At the same time, we must pay attention to the rational use of humic acid fertilizer and biological fertilizer.

Three reforms to apply topdressing as a combination of topdressing and rooting

The growth of the aboveground and underground parts of cucumber plants is related. When the growth of melons is bad or the topping of melons is found, the reason is actually on the underground roots, indicating that the roots are affected by various adverse factors and start to yellow, the number of new roots Reduced, in this case, increasing the amount of fertilizer is not conducive to the recovery of the root system. The correct way is to use no or less chemical fertilizer, switch to humic acid water-soluble fertilizer or microbial fertilizer, and use it with rooting agent to facilitate the use. Quickly restore the number of root groups to achieve the goal of deep roots and high yield.

Fourth, scientific use of growth regulators and foliar fertilizers

There are many kinds of foliar fertilizers. If you don't understand the characteristics of a kind of foliar fertilizer, don't analyze the growth status of your own cucumber, just buy a kind of foliar fertilizer and fight it up, often backfire. According to the growth of the melon, the size of the melon and the weather conditions, the appropriate growth regulator and foliar fertilizer should be determined to achieve high yield and high efficiency.

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