Cultivation techniques of Potato covered with plastic Film

Potato is also called potato, is an important food crop, can also cook, usually eat a lot of people, potato cultivation also has technical requirements, then plastic film potato cultivation technology is what kind of it?

1. Potato growth habits

Potato is solanaceae, solanaceae an annual herb, tubers available for consumption, potato nickname many, such as potato, potato head, sweet potato, Yang, eggs, potatoes and so on.

The main potato producing countries are China, Russia, India, Ukraine, the United States and so on. China has the largest potato output in the world.

Potato growth and development is also periodic, which can be roughly divided into four stages:

1. Mature tubers can only be sown as seed tubers after a period of dormancy, i.e. dormancy stage;

2, after sowing, rely on their own nutrition to take root and germinate seedlings, that is, autotrophic stage;

3. After emergence, organic matter is produced by photosynthesis, and water and inorganic elements are absorbed by roots to form a complete plant growth system until flowering reaches the maximum exuberance of plants, that is, heterotrophic stage;

4. After flowering, the aboveground part stops growing, the tuber expands rapidly, accumulates nutrients to maturity, that is, the tuber formation stage.

2. Cultivation techniques of potato covered with plastic film

1, choose the appropriate sowing time, mountain areas in mid-March to early April sowing, plain areas in late January to early February sowing, sowing in mountainous areas, be sure to thaw the ground before sowing.

2. Select suitable planting land. If the ridge is formed directly, sow according to the soil moisture after ridging. If the soil moisture is insufficient, soil moisture shall be planted.

Two rows per ridge, planted in the middle of the ridge. It is forbidden to plant on the ridge edge or even on the ridge slope, and the sowing should be evenly sown in the shape of "product". Furrowing ridging to ridging, sowing, mulching a complete, and pay attention not to sow too deep, in case of difficulties in emergence.

3. Plant according to reasonable density, then cover the film, press the film into the soil, stick to the ridge surface, and play the role of raising temperature, preserving moisture and eliminating weeds.

Density: row spacing 30cm~40cm, plant spacing 25cm~30cm, sowing depth 5 cm ~8cm. Generally, the seed amount per 667㎡ is 100kg~150kg.

Mulching film: mulch film with thickness of 0.005mm~0.006mm and width of 80cm ~100cm is selected. 3kg~ 4 kg plastic film per 667m2. During film mulching, ditch is dug on both sides of the ridge, the film is spread horizontally and vertically, so that the film is closely attached to the ridge surface, at the same time, fine soil is used to compact both sides, and 5cm-8cm is pressed into the soil, and some broken soil is pressed every 1m on the ridge to prevent the film from being blown away by strong wind.