Autumn carrot cultivation

Carrots are adaptable, easy to cultivate, and resistant to storage. They are important vegetables consumed by people in winter and spring. The cultivation points are as follows:

Variety selection choose disease resistance, high yield, high quality, beautiful appearance, longer growth period, larger plant type. According to the feedback from the market in recent years, the varieties of Hundred Day Red Crown and FS Show Red are good.

The sowing date for planting is generally July. Before the planting, 3000 kg of farmyard manure was fully cooked per acre. If chemical fertilizer is applied, it is necessary to spread evenly, and 25 to 30 kg of potassium sulfate compound fertilizer, 20 kg of urea, and 30 to 50 kg of superphosphate can be applied per acre. Sandy soils are mostly flat land, and rainy areas are suitable for sorghum. More seedlings are used for seeding. The method is to dig trenches with 15 to 20 centimeters of row spacing in the raft and about 2 centimeters in depth. Seeds are sown in the trenches and the seeding should be uniform. After sowing, the seeds sown outside are gently swept into the ditch. Inside, flatten it again, and finally water it again with your feet. Generally 300 to 500 grams per mu are used. Conditions can also be used for sowing, ditching, sowing once completed, spacing 20 cm, with 250-300 grams per acre species. Kim Weir spray was used within 3 days after sowing to close the weeding.

The sowing of the field management to the emergence of seedlings requires the maintenance of a moist soil, and it is generally necessary to pour water three times. When the seedlings were 1 to 2 leaves, the seedlings were selected after sunny noon, with a spacing of 3 cm, and shallow in the rows. When 4 to 5 leaves of seedlings were selected, the seedlings were selected in the sunny afternoon and the dense strains, weak strains and diseased strains were removed, and the seedlings were planted according to the characteristics of the varieties and the characteristics of the plants. Generally, the plant spacing was maintained at 10 to 12 cm, and the seedlings were maintained at 25,000 to 10,000. 30,000 plants. After the second cropping, weeding and weeding, the cultivator should be shallow so as not to damage the roots. The seedling season is hot and rainy. Water should be given as appropriate to make the surface dry and wet. After watering or raining, cultivating soil should be timely and ploughed. In the case of seedlings with 7 to 8 leaves, watering should be appropriately controlled to strengthen the cultivating tillage, promote the development of main roots and fibrous roots, and prevent plant growth. When it was found to be long, it could be controlled with paclobutrazol 1000 times. When the fleshy root of the carrot grows to a thick finger, the water supply should be controlled. If it is too dry, it may cause the fleshy root to cork, and the lateral roots increase. If it is too wet, it will cause fleshy root rot. If the water supply is uneven, it may cause fleshy roots. Cracking, lower quality. Autumn carrots have a long growth period, and they need peak seasons in the middle and late stages. Therefore, fertilizers based on base fertilizer must be top-dressed. It is advisable to apply the quick-appropriate fertilizer, top dressing 3 times during the whole growth period, and top dressing once every 15 days. The first topdressing in the breaking season, topdressing NPK fertiliser 15-20 kg per acre, combined with irrigation facilities is appropriate, flushing can avoid high concentration of soil solution caused by burning root. After the two fertilization amount is the same as the first time.

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Basic information

Assay 90% Food Grade Hyaluronic Acid

CAS No.: 9004-61-9

EINECS No.: 232-678-0

MF: (C14H21NO11)n

Grade Standard: Food Grade

Place of Origin: China (Mainland)

Packaging Details:25KG/CARTON

Application

Nutritional Supplements

Hyaluronic acid extracted from rooster combs cannot be absorbed by the intestinal tract. But, Japanese scientists have developed a proprietary enzyme-cleaving technique to lower the molecular weight of hyaluronic acid without altering its chemical nature. This allows hyaluronic acid to be taken orally as a nutritional supplement, many varieties of which are readily available for commercial use.

Specification

Food Grade Hyaluronic Acid Powder

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