Nowadays, greenhouse vegetable cultivation in rural areas is more and more in the countryside. Many farmers are not idle in winter. This winter's vegetable prices are good, and vegetable greenhouses are also a good income. However, the old grower of the planter has recently made a fuss, because the seedlings he just planted have appeared dead, which is good!
Xiaobian asked the plant protection experts, experts said that "there are many reasons for the death of the winter seedlings, but the most fundamental reason is that the management is not in place." The following is a small series of methods to alleviate the dead vegetables in the winter vegetable seedlings, and learn together Let's go.
First, choose a good seedling
Choosing seedlings is the first step in planting many growers and is also a crucial step. When choosing a seedling, we should choose a vegetable seedling with good growth and roots. If the figure is cheap to buy with roots and hair, and the root hair is yellow, it is easy to see dead trees in the planting process.
Second, root sterilization
Because we buy seedlings are generally purchased in batches, these seedlings look no different, but there are viruses in the insurance, and the seedlings are poorly resistant, and the disease is not good, so the root disinfection step is necessary. of.
Root method:
1. Filling the medicine in the tray, the agent can choose a protective fungicide or a beneficial bacteria;
2. Soak through the tray, pay attention to the dosage of the agent, and be careful of the root;
3. It is best to add some conditioners that are strong and strong.
Third, improve the ground temperature
Although the temperature of the greenhouse planted in the greenhouse is warmer than the outside, it is not more normal than the spring and summer, so it is very necessary to raise the temperature of the greenhouse. For improving the ground temperature, we can choose the method of watering. Usually, before planting, watering should be used to restore the ground temperature. After 3-4 days, the seedlings will be planted, so that the ground temperature will increase and the survival rate of the vegetable seedlings will be improved.
Fourth, scientific fertilization
In the case of dead vegetables in the vegetable seedlings, in addition to the above reasons, it may be caused by improper fertilization. If the concentration of the fertilizer is large, direct contact with the root system may burn or even burn the seedlings. Therefore, when we fertilize the vegetable seedlings, we can first mix the soil and then fertilize, reducing the contact area with the roots and stems.
The above is the reason and solutions for the dead vegetables in the greenhouse in the winter greenhouses compiled by Huinong. I hope to help everyone.
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