How to choose onions? What are the breeding methods?

Allium mongolicum Regel is a wild vegetable in Northwest China, and it is a kind of excellent forage plant. It has the characteristics of resistance to wind erosion, drought and barren. Allium mongolicum Regel is planted, generally sowing seeds, so how to choose seeds? And how to raise seedlings? Let's learn about it.

How to choose Allium mongolicum Regel?

The planting time of Allium mongolicum Regel is usually from April to August every year. At present, the seed price of artificially planted Allium mongolicum Regel is more expensive, so when you buy seeds, you must buy them in a regular place to avoid being deceived.

The seed quality of Allium mongolicum Regel mainly depends on the time of seed collection and selection method. The petals are all yellowed, the neck is dry, and the seeds are basically full. Thousand-seed weight is an important index to measure the plumpness of seeds, in addition, there is purity, the amount of impurities is inversely proportional to the price. When buying Allium mongolicum Regel seeds, generally full particles, good glossiness, weight, insect-free seeds are high-quality seeds.

What are the seedling raising methods of Allium mongolicum Regel?

1. Seed sowing

The planting plots need to be disinfected and ploughed before planting. Seeds need to be germinated and disinfected, and seed soaking is generally used to accelerate germination. The method of sowing is generally hole sowing, with two or three seeds in each hole, then covered with soil and watered. Allium mongolicum Regel can sprout in about ten days.

2. Fertilization management

Although Allium mongolicum Regel has strong resistance to barren, it needs a lot of nutrients during the vigorous growth period of artificial domestication. Combined with watering, a certain amount of chemical fertilizer or organic fertilizer is applied. According to several years' experiments, the appropriate amount of fertilizer is 10-15 g / m2 of urea, 10-20 g / m2 of compound fertilizer and 0.5-1 kg / m2 of mature sheep manure.

3. Watering management

The greenhouse is watered every 10-15 days in summer and 15-20 days in winter. The amount of water in winter should not be too large, otherwise it will cause stagnant water in the root layer, worsen the air permeability of sandy soil and cause death by retting the roots of Allium mongolicum Regel.

4. Pest control

After several years of observation, no stem and leaf pests have been found, but underground pests have been found in the experimental site, mainly root maggots and small earth tiger larvae, but the harm to Allium mongolicum Regel is not serious, so insecticides such as phoxim can be used to control them.

The above is the introduction of Allium mongolicum Regel. Weeds in the past have now become treasures. At present, the areas where Allium mongolicum Regel are planted in China are mainly in Inner Mongolia, Liaoning and other places. The fresh-keeping time of Allium mongolicum Regel is very short, usually in 5-8 days. So this is also one of the reasons why scallions are rarely bought in cities, and it is also the main reason why scallions are expensive.

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Agricultural products you may be interested in: national supply of high-quality Allium mongolicum Regel seeds