Amaranth is divided into big leeks and small leeks. Many farmers have a misunderstanding. They think that leeks can be grown one by one. The reason is this, but if you want long, fast and tender Amaranth still needs certain technical conditions, and one of the most critical aspects is fertilization. Let's take a look at the high-yield fertilization techniques for leek.

First, cleverly apply grass ash

Everyone can use some ash and ash when planting leeks. Especially in the growth stage of leeks, some ash can be applied to promote the hair roots and tillers of leeks. The ash is a water-soluble quick-acting potash, and the effect of increasing yield is better. obvious.

In addition, it is added that the leeks grown in greenhouses are more prone to gray mold, and the application of ash can reduce the incidence of gray mold. There is also a vegetable farmer friend who used too much ammonium sulfate in the top dressing. Long-term use of ammonium sulfate will acidify the soil, which will lead to the yellowing and death of the leek, but the plant ash can neutralize the pH of the soil and allow the amaranth to grow normally.

Second, the application of base fertilizer

The demand and consumption of fertilizer in the stage of amaranth seedlings are not high. At this stage, the root system of amaranth has not yet grown, and the absorption capacity of fertilizer is also weak. Therefore, it is best to apply some quick-acting fertilizers and accelerate the root system while applying the base fertilizer. Growth.

When the amaranth grows to about 20 cm, it can be planted. When the planting is done, it is necessary to apply organic fertilizer. After the fertilizer is spread into the soil, it should be deeply mixed and evenly distributed. After the amaranth is ripe, you can pick it up.

Third, timely topdressing

After the amaranth is planted, it will slowly enter the autumn. The temperature in autumn is more suitable for the growth of amaranth. It is also a key period for water and fertilizer management. Therefore, we must fertilize and maintain the supply of nutrients in time.

The key to wintering of leeks usually requires two or three times of topdressing. Generally, it is already in the first ten days of October in the first ten days of September and the end of October. Each time the topdressing fertilizer is about 15 to 20 kilograms per acre of ammonium sulfate. About 3 days after the harvest of the leek, the new leaves will begin to grow slowly. At this time, everyone can apply ammonium sulfate in combination with watering. Watering and fertilizing in a timely manner about two to three days after harvesting.

For the wonderful pictures and popular comments on the leek fertilization technology, you may be interested in the following recommended contents. Welcome to read.

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PCR ( Polymerase Chain Reaction)

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Step 1 Denaturation
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Step 2 Annealing
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