How to do after the tomato seedlings are planted frequently?

Recently, many vegetable farmers have reflected the situation of tomato seedlings that have not been planted for a long time. In response to this problem, the author analyzes the tricks as follows:

Etiology analysis

First, the roots cause dead trees. The summer temperature is high, and the vegetable farmers are generally more watering, but excessive watering is very unfavorable for the growth of tomato seedlings. On the one hand, excessive watering will result in shallow root layer of tomato, low yield in the late weak root system; excessive watering will lead to a decrease in oxygen in the soil, causing dead roots, especially for greenhouses with poor soil moisture and poor water seepage. obvious.

Second, high temperature burns cause dead trees. The tomato seedlings that have just been planted are generally tender before the seedlings are slowed down, and the summer temperature is high. Especially when the soil is dry, it is easy to cause burns on the stems of the plants and cause dead trees.

The third is to cause the dead tree, such as tripping, blight, stem rot, etc. The high temperature and high humidity shed environment in summer is conducive to the occurrence of diseases such as tomato tripping, standing and stem rot, causing the epidermis of the plant stem to rot, which is what the vegetable farmers call "bad neck".

Fourth, excessive application of unfertilized manure and chemical fertilizer burned roots to cause dead trees.

Integrated control measures

Production farmers can take the following measures to avoid or reduce the occurrence of dead trees:

First, rational fertilization will reduce the amount of fertilizer used in summer. Organic fertilizers must be completely decomposed, chemical fertilizers should be used less or controlled release chemical fertilizers can be used to reduce the damage of fertilizers to roots.

Secondly, in the early stage, the water was poured in the late stage, and the water was cultivated in the later stage. Watering should be done in time before planting, and the planting water should be poured. According to the weather conditions and soil conditions, see dry watering to avoid seedling burns caused by high soil temperature. After planting for about 10 days, it is necessary to properly control the water and timely stroke to promote the root system. And with the application of phosphorus magnesium, Chuanpula, fungi and other roots.

Third, timely root disease prevention. About 7 days after planting, you can use the carbendazim, Plucker with rooting agent or the top seedling to match the base of the stem of the tomato with the new seedling. Do not water the water for 1 day before and after rooting.

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