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Key Techniques for Ridge Cultivation of Potatoes with Plastic Mulching

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After the seed potatoes are planted, flatten the ridge surface with a flat shovel, which helps with weed control and film covering. For 667 sq m, use 80 ml of the herbicide Dual mixed with 40 kg of water and spray it on the ridge surface. The herbicide should not be sprayed all at once; leave a small portion and spray it in the furrows after the film is covered. To prevent weeds, 667 sq m requires 4 kg of 90 cm wide micro-film. When covering the film, be sure to seal the two sides and the ends of the ridge tightly with wet soil, and seal another horizontal line with wet soil on the ridge surface every 6-7 m to prevent strong winds from lifting the plastic film and affecting the heat preservation effect. After the seed potatoes emerge

After the seed potatoes are planted, flatten the ridge surface with a flat shovel, which helps with weed control and film covering. For 667 sq m, use 80 ml of the herbicide Dual mixed with 40 kg of water and spray it on the ridge surface. The herbicide should not be sprayed all at once; leave a small portion and spray it in the furrows after the film is covered. To prevent weeds, 667 sq m requires 4 kg of 90 cm wide micro-film. When covering the film, be sure to seal the two sides and the ends of the ridge tightly with wet soil, and seal another horizontal line with wet soil on the ridge surface every 6-7 m to prevent strong winds from lifting the plastic film and affecting the heat preservation effect.

After the seed potatoes emerge, first use a small knife to cut the film open 5 cm wide to harden the seedlings through the opening. Never pull the potato seedlings out, otherwise they are prone to frost damage. Generally, after 10-15 days of hardening, pull the seedlings out by hand, then seal the opening in the film tightly with wet soil. If drought occurs in March, water in time. In early March, for 667 sq m, use 30 g of paclobutrazol mixed with 40 kg of water for spraying to prevent excessive growth. If pests or diseases occur, control them in time.

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