Carrots are the "small ginseng" in vegetables. They are rich in nutrients. Long-term consumption is very beneficial to the body. At present, the carrot roots are inflated. At this time, the management of the field is very important. High-yield water and fertilizer management skills.
    Fertilizer characteristics
The amount of fertilizer needed in the early stage of carrot growth is not large, and nitrogen fertilizer can be applied as appropriate according to the growth situation and soil fertility. When entering the fleshy root expansion period, the underground part grows rapidly, and the amount of fertilizer needed is also increased. The potassium fertilizer is the most, followed by the nitrogen, and the trace element fertilizers such as calcium, magnesium, zinc, boron and molybdenum are also needed. Therefore, before we plant the carrots, we should apply the base fertilizer, especially the high-quality organic fertilizer. It has comprehensive nutrient elements, long fertilizer effect, loose soil, and reduces the chance of deformed roots, especially suitable for carrot growth.
Potassium has the greatest influence on the swelling growth of carrot fleshy roots. When the soil is lacking, the underground part will develop poorly and the roots will grow short. Therefore, when entering the expansion period or the early stage, we should mainly use potassium fertilizers, such as potassium sulfate and grass ash.
The demand for nitrogen in carrots is higher in the early stage of growth. One and a half months after the sowing, the nitrogen fertilizer should be applied as appropriate to make the fleshy roots expand smoothly and increase the diameter of the fleshy roots. Carrots have less demand for phosphorus, but they are also indispensable. Generally, they can be added at a time when applying the base fertilizer. The dosage is about 15 kg per mu (the specific dosage can be determined according to the soil fertility, and the superphosphate can be used. ).
    Top dressing method
Carrot topdressing can be applied with organic fertilizer and quick-acting fertilizer, or mixed application; when entering the underground meaty root expansion period, it is the peak period for carrots to absorb nutrients. If there is sufficient nutrient supply during this period, the carrot has high yield and quality. Very big help.
The fleshy roots are swollen or swollen in the early stage, and the urea is about 20 kg of urea and 15 kg of potassium sulfate. When it enters the expansive period, the urea is about 15 kg of urea and 15 kg of potassium sulfate. In addition, we can also use human excrement and urine, and use about 1000 kilograms of manure and manure in the mu, and it can be applied with water.
Although the demand for boron in carrots is not large, boron can improve the quality of carrot growth and make carrot meat roots more developed. During the expansion period and the peak period of the fleshy root, the carrot stems and leaves were sprayed with 0.2-0.3% boron fertilizer solution respectively.
To prevent carrot cracking, we must prevent it in order to reduce it. The planting area should be selected in the deep soil layer, loose and fertile, convenient for irrigation and drainage; the base fertilizer should be re-applied with organic fertilizer, which can reduce the probability of cracking roots; the sowing date should be grasped in July-August, and the high ridges will be broadcasted during sowing. Good; during the growth period, the soil should be dry and wet, and the water should be properly controlled in the later stage of growth. Pay special attention to not flooding the water and keep the soil loose and transparent. In this way, the carrot roots rarely appear when comprehensive management measures are taken.
Carrots are generally harvested in October, and are currently a critical moment in the management of water and fertilizer during planting. If the growers use the topdressing methods shared by Xiaobian, then the carrots you grow will be high-yield.
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