Many growers report that the carrots, cilantro, celery, etc. they planted are either not emerging, or are incomplete or inconsistent. With this problem, today we will share several practical soil methods for these kinds of vegetable seedlings, to ensure that they emerge. Poof.
What are the reasons that restrict the difficulty of these types of vegetables? There are two main reasons: the cause of the seed itself and the cause of the external environment.
1. The seeds themselves first look at the coriander seeds. Many experienced farmer friends rub the seeds with bricks and the like before planting cilantro. This is mainly because the seeds of the cilantro we planted are the fruit, and the real seeds are wrapped in the fruit, and the seeds of the cilantro have a surface With a layer of impermeable oil and fat, these comprehensive factors make it difficult to absorb water and germinate coriander seeds.
Then look at the celery seeds. The difficulty of celery seed germination is basically the same as that of coriander seeds. Both are because the surface of the seeds is very hard and it is not easy to absorb water, which makes germination more difficult. The difficulty in sprouting carrots is mainly due to the many burrs on the surface of the seeds, the small contact area with the soil, and the difficulty in absorbing water, which results in slower germination. Usually it takes a week to germinate.
2. The external environment is well known. Biology says that in order for a seed to germinate, it must have three conditions: temperature, moisture, and air. Only when a seed absorbs enough water can it grow and metabolize normally under the proper temperature and air, and provide energy for germination.
Some plant seeds are very easy to germinate. Cruciferous vegetables such as cabbage, radish, rape, etc. can be mixed directly with fine sand and sown. For many seeds, they need to be soaked in advance. The soaking time is usually 24-48 hours. Moreover, the suitable temperature for vegetable germination is different. Low temperature germination is required for celery, carrots, etc., the appropriate temperature is 15 ℃ -20 ℃, while cruciferous vegetables such as eggplant, rape, etc. are high temperature germination, germination temperature is 25 ℃ -30 ℃. At the same time, in order to provide sufficient oxygen to the seeds, it is recommended that the growers should see the water wet and dry to avoid soil compaction and affect the permeability of the soil.
After we know the two conditions that affect seed germination, as long as these two conditions are met during planting, the seed germination rate can be increased:
1. Seed soaking It is recommended that growers should soak seeds when planting similar seeds and vegetables, so as to facilitate uniformity and emergence of seedlings. Specific practice: soak the seeds in warm water for 24-48 hours to facilitate the seeds to fully absorb water and swell, breaking the dormancy of the seeds. Taking coriander as an example, the seeds of coriander are in a concave shape (after rubbing). Find a container to soak the seeds. If there are floating instructions, the seeds are immature and they can be picked up.
2. Germination Introduce here two methods of soil germination. Put the coriander seeds in the refrigerator at night and wash them once a day for about 3-5 days before sowing.
Another method is to use rural wells to germinate, put the seed sandbags into the wells at a temperature of about ten meters to germinate at low temperature, generally celery seeds can be sown within 5-7 days, do not let the buds grow too long to avoid damage. If the planting area is large, it is recommended that growers treat the seeds with hormones to break seed dormancy and promote seed germination.
Hormone treatment: Treating seeds with a gibberellin solution of 10-20 mg / kg can significantly increase the germination rate. Potato seed stalks were immersed in a 25 mg / kg gibberellin solution for 30 minutes, not only early germination but also high germination rate.
3. After planting the land, the planters should fertilize it. It is recommended to use organic fertilizer as the main compound and use it with compound fertilizer and calcium phosphate fertilizer. Conditional growers suggest to use some fertilizers containing humic acid, which can improve the soil pH. Stimulate the physiological metabolism of seeds, promote early germination of seeds and stimulate root growth. The grower mixes the seeds in the soil and sprinkles it evenly into the ground, then flattens it with his feet, dries it quickly, and then puts on the water again, keeping it moist until it emerges.
At the same time, it is necessary to remind the growers that if the weather temperature is too high after planting, to avoid the sprouts being scalded by the high temperature of the soil, it is recommended that the growers can cover the surface with a layer of straw or reed after sowing to reduce the temperature and avoid evaporation of soil moisture Too fast, improve soil moisture. I believe that mastering the above points, these vegetables will germinate quickly and neatly.
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