Potato is a common vegetable, which is cultivated in many areas. During the potato planting process, the flowering usually means entering the stage of reproductive growth, but sometimes it is found that the potato only grows with no potato or less potato. It has a lot to do with temperature, moisture, variety, etc. Let's take a look at it below.
First, what causes the potato to not potato?
1, temperature
The most suitable temperature for tuber formation during the day is 19-22 ° C and 13-15 ° C at night. When the temperature is higher than 25 ° C, the tubers stop growing, but the stems and leaves are suitable for growth. Therefore, if the potato is planted late or suddenly encounters hot weather, it is easy to appear that the tubers are not long and the stems and leaves are vigorously growing, and the potato is less or not.
2, planting time
Potatoes are grown in various periods, mainly in spring, autumn and winter. If the temperature is high during the tuber formation, it means that the planting is too late, and it is easy to encounter the rainy season and high temperature, which is not conducive to the formation of potato chips, and is not conducive to high yield.
3, variety
Different varieties of potatoes have different sensitivity to light and temperature. Spring and autumn are suitable for potato growth time, and it is difficult to reach mid-late ripe varieties. It is prone to "only long scorpions do not potato".
4. Cultivation management
If the planting is too dense, the application of nitrogen fertilizer is too much, and the phosphorus and potassium fertilizer is relatively insufficient, resulting in the seedlings being mad and not ventilated and overcrowded. This is not a manifestation of high yield, but rather the absorption of excessive nutrients due to stem and leaf growth is not conducive to the formation of tubers.
5. Drought
Potatoes are more sensitive to water. The tuber formation and growth period should keep the soil moisture suitable. In case of drought, the tubers are difficult or rarely formed. It should be timely poured in the formation of tubers and drought in the growing season.
6, shallow sowing
The depth of potato sowing is generally 15-20cm, the seeding is too shallow, the soil temperature is slightly higher, and the phenomenon of “smashing arrow†is easy to occur; the potato growth period should be timely soil cultivation, the soil is too shallow, the soil temperature changes greatly, and the heat preservation effect is small. Affects tuber formation and swelling.
Second, how to effectively prevent potato from potato
1, variety selection
Variety selection should focus on high yield, single potato weight, and suitable for local climate and soil conditions.
2, appropriate early broadcast
The suitable sowing date for winter potato is from late December to early January. It is not conducive to the potato market in the early and late days. The spring potato cultivated with plastic film should be planted from the end of January to February 10.
3. Cultivation management
It is recommended that the planting density and sowing depth should be no more than 4,000 per acre, the sowing depth is 15-20cm, the 15-20cm soil is 1-2 times, and the thickness is 10cm or more. Pay attention to the application of organic fertilizer, phosphorus, potassium and magnesium fertilizers. In the middle and later stages, the nitrogen fertilizer should be less or not applied to prevent the plants from growing too much and affecting the growth of potato or tuber.
4 , reasonable watering
In the growing season of the potato, it is necessary to keep the soil dry and wet. If the soil moisture is found to be small, the furrow irrigation or hole irrigation should be carried out immediately to achieve small water irrigation; if excessive rain weather occurs, it should be drained early.
The above is the introduction of potato and potato. Do you have anything to add for potato planting?
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