How many times can potatoes be planted in a year?

How many times can potatoes be planted in a year?

Potato , also known as Solanum tuberosum, is a perennial herb of the Solanaceae family. Its tubers are edible. Potatoes can be cooked in many ways, such as boiled, fried, roasted, stewed, etc. They are an indispensable ingredient in home kitchens and the catering industry. So how many crops of potatoes can be planted in a year?

How many times can potatoes be planted in a year?

The number of potato crops depends on the planting method and climatic conditions.

1. Greenhouse potatoes

Greenhouse potatoes can be harvested twice a year, and the specific number of crops depends on the effectiveness of the greenhouse's insulation equipment.

2. Field potatoes

In the southern region, both spring potatoes and autumn potatoes can be planted, with two crops per year. In northern regions, usually only one crop can be planted because the high temperatures in summer are not suitable for potato growth.

3. Planting time

The spring planting time is generally in early to mid-March, and the summer planting time is generally in mid-August.

4. Planting tips

When planting potatoes, you should choose land with fertile soil, deep soil layer and neutral or slightly acidic soil. When sowing, pay attention to reasonable planting density to ensure yield and that the plants receive sufficient light during growth.

5. Planting area

Due to climatic conditions, potatoes can be grown in two seasons in the south, while in the north they can usually only be grown in one season.

6. Planting method

If greenhouses or factory workshops are used for planting, up to three crops can be planted a year.

How to keep greenhouse potatoes warm?

Increase the thickness of the covering cotton curtain: The thickness of the covering cotton curtain is generally 2-3 cm. Increasing it to 5 cm can effectively increase the temperature in the greenhouse by 3-5℃.

Cover with rainproof film: Covering the thermal blanket with rainproof film can increase the greenhouse temperature by 1-2 degrees.

Increase the thermal insulation of the back wall: paint the back wall and side walls of the greenhouse black or hang reflective film to enhance the wall's heat absorption capacity.

Semi-underground construction: Semi-underground construction can increase the minimum temperature by 1-2 degrees.

A small shed inside a big greenhouse: During winter seedling management, the temperature in the small shed is generally 2.5-3 degrees higher than that in the big greenhouse.

All greenhouse crops are cultivated in ridges: if the ridges in the greenhouse are high, the surface area is large, more sunlight is received during the day, and more heat is absorbed from the air.

To sum up, the number of potato planting crops varies depending on the regional climate and planting methods. Two crops can be planted in the south, one crop is usually planted in the north, and under facility agriculture conditions, the number of planting crops can be more.

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