ask:
How to scientifically water the potato during the growing period?
Moisture is essential in the process of plant growth. From emergence to flowering, potatoes are generally not watered, and seedlings are planted, especially when it is dry. Potato seedlings can prevent the consumption of nutrients by the length of the plant, forming short sections, thick stems, thick leaves, dwarf plants, developing into strong seedlings, and enhancing the ability to resist wind and rain, fall down, and resist pests and diseases. The initial flowering period of the potato began to water, and the growth of the tubers was the largest during the period from the initial flowering to the growth of the stems and leaves, and the plant required a large amount of water. So how to scientifically water the specific potato growth period?
1. Before emergence:
Without topdressing and watering, the focus is to increase the light to prevent the wind, snow and rain from damaging the arch shed.
2. Seedling period:
Those who cover the mulch film should be artificially assisted in rupturing the membrane in time; those who are exposed to the field should slash in time after raining or watering, break the hard shell, make the seedlings unearthed smoothly, and promote the seedlings, seedlings and seedlings. Watering at the seedling stage depends on the sensation of the situation, and the sensation is good or not, so as to avoid lowering the ground temperature.
3. Hair growth period:
After the potato is released, the main goal is to promote the growth of the saplings and build a shelf. The main point of management is that there is no drought and no watering. When watering, do not pass over the ridges, and carry out cultivating and cultivating the soil. Finally, before the squad is sealed, the square shoulders are smashed to create a good potato-forming condition.
When cultivating soil, be careful not to damage the functional leaves. If the fertilizer is lacking, it should be topdressed in time, or it can be applied at the point of mouth, or it can be applied with watering. Large, medium and small arch sheds should gradually increase ventilation and ventilation time. After the "Guyu", the protection facilities can be removed depending on the weather.
4, the potato period:
After the potato buds are budded, the potato begins to grow. When the flowering period is over, the potato will rapidly expand. At this time, the amount of water should be increased. If it does not rain, it should be poured with three waters. The water should be poured for 5-7 days. Do not avoid the flood of water. The principle of watering is to keep the soil moist and not to cause water in the field. In this period, attention should also be paid to the prevention and control of pests and diseases, especially the potato disease. It should be based on prevention in advance to prevent the main disease.
5. Harvest period:
The potatoes should be stopped from watering 7-10 days before harvest.
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