If the vegetable farmer wants to get their own vegetables to be listed as soon as possible in the early spring, then they can seize the opportunity to raise the seedlings in advance in the winter. Of course, this is mainly for greenhouse vegetables. How to carry out vegetable seedling operations in the greenhouse in winter?
Variety selection
When it comes to the nursery of vegetables in winter, we must pay attention to the choice of varieties. At present, there are many varieties of vegetables in different vegetables, and there are many varieties to choose from. Choosing a suitable variety is very helpful for seedlings.
For example, it is generally necessary to select low temperature resistant varieties for seedling cultivation, because even in the greenhouse, the temperature is still much lower than normal temperature, so the low temperature resistant vegetable seed can obtain a better growth state, and can obtain higher Yield. And because the light intensity in winter is not very high, so in the lighting characteristics, we must also make certain choices, pay attention to the use of those types of low light demand, in order to better grow in the greenhouse.
2. Treatment before planting
Before sowing, it is best to pre-treat the seeds and use warm water to soak the seeds so that they can fully absorb the water, so that they can be germinated faster after sowing. Moreover, when immersing, the disinfectant can also be appropriately added to the soaking liquid to kill the bacterial virus on the surface of the seed, thereby reducing the probability of seed distortion, improving the rate of emergence, and improving the growth of the seed. .
3. Sowing time
The time of sowing is also a key factor, which is calculated based on the specific plant species, not only according to the specific climate, but also according to the temperature in the greenhouse. Appropriate sowing time allows the seed to have a better growth state, and the germination rate is greatly improved, and the management investment is also reduced.
4. Soil selection
When raising seedlings in the greenhouse in winter, the requirements for the soil are still very high, because the seeds contain very little nutrients. In the process of raising seedlings, it is necessary to ensure that the soil has good porosity and good fertility. Most of the time, special nutrient solution or nutrient soil is used for seedling operation, and the effect will be better.
Because the nutrients in these nutrient solutions are more abundant and the distribution is more uniform and reasonable, it can meet the initial growth requirements of the seed. If it is common planting, you can also use some decomposed farmyard manure to configure the nutrient soil and mix it into the plot. The effect is also very good, but also pay attention to the appropriate supplement of some compound fertilizer.
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