The reporter interviewed a reporter at the Jiajialing Village in Hualong Township, Shouguang City. The price of carrots this year is quite satisfactory, but because of improper management, many carrots grown by vegetable growers have serious problems such as serious convulsions, broken roots, and a lot of problems. This has seriously affected the yield and quality of carrots, and has greatly affected the planting efficiency.
The first is convulsions.
After the early convulsions of carrots, the roots of the carrots harden rapidly and lose their food value, causing serious economic losses to the carrot production.
The reason why carrots twitch is because after they are sown, they encounter a certain period of low temperature, which makes the plants pass vernalization. The data showed that when the general carrot has 7 leaves, it encounters a low temperature of 4.5-15°C for 25-30 days, then it can pass through the vernalization stage, and then there is a lot of twitching and flowering before harvesting.
Many vegetable farmers had to raise the price of carrots in order to pursue the morning market, blindly advancing the planting time, making it easy for carrots to pass through vernalization. The earlier the planting time, the greater the possibility of convulsions.
To prevent carrot twitching, one must rationally arrange sowing time and try to avoid vernalization after planting. The second is to choose the type of blister resistant. In general, strong winter carrot varieties are not easily convulsed, and varieties cultivated in the summer and autumn are easy to twitch and bloom in spring.
In addition, in the cultivation and management, if excessive water shortage, lack of nitrogen fertilizer supply, pests and diseases are serious, it can cause carrot twitching, so in the growing period to do a good job of carrot water and fertilizer management and pest control.
Followed by split root
Rooting is also an important factor affecting the economic efficiency of carrots. At present, the main cause of cracking is improper water management. During the period when carrot roots are swollen, uneven watering, insufficient early water supply, slow root growth, and sudden watering in the later period or heavy precipitation in a short time can cause Roots absorb water and expand inside, causing cracking. In addition, there are also differences between the roots of the cultivars, and poor soil permeability and lack of timely harvesting can also cause rooting.
Therefore, it is important to pay attention to moisture management during the expansion of carrot roots. In the current situation of large evaporation, we must pay attention to timely replenishment, so that the soil moisture content in the see dry see wet state, drip irrigation or sprinkler irrigation conditions of the farmers can be poured before the advent of heavy rain, a small water. In addition, carrots must be harvested in time, generally in the fleshy root to enlarge 18-20 cm long, thick 3-4 cm can be.
Again, Qingtou
The green head is also called the green roof. The appearance of the green headed carrot is not beautiful, and the price is often reduced. The reason for the green head of carrots is that the cover soil is too shallow and the roots of the fleshy roots do not pay attention to the soil. During the middle and late growth stages, the top of the fleshy roots exposes the ground and is exposed to sunlight to produce chlorophyll and turn green.
Therefore, using small rows of ridges for single-row planting or double row rows of carrots, the vegetable farmer should pay attention to timely soiling after removing the mulching film. Do not cover the soil too much in the early stage, as long as the soil can cover the top of the carrot. With the growth of carrots, the roots of the roots of the meat will be exposed again, and the vegetable growers can cover the soil again about three weeks before the carrots are harvested. This will prevent the top of the carrots from seeing light and forming a blue head, and it will also allow the formation of a blue head after seeing light. The carrots gradually returned to normal, ensuring that no heading occurred at harvest.
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