Film-Covered potato planter is a new type of seeder that integrates trenching, fertilizing, sowing, ridging, spraying and film covering. It has advanced features such as high complexity, high precision, and high adaptability, and worked by 3 point hitch on the tractor. Features of this machine: save labor, uniform germination, retain moisture, increase temperature, good potato shape, large potatoes, and high yield. 1. Principle of film mulching to increase yield: It increases the ground temperature and improves the soil environment of the cultivated layer. Mulching can make full use of solar energy and store light and heat in the soil. Tests have shown that mulching can increase surface temperature by 0.4 to 7.3°C and 10cm underground by 0.9 to 5.0°C. This effect can meet the temperature requirements for seed potato germination and root growth, and can promote the rapid growth of plant vegetative organs and extend the During the growth period, it is conducive to potato formation. Planting potatoes in high-altitude, humid areas has significant effects on increasing ground temperature, improving thermal conditions, promoting normal maturation and increasing yields. 2. Instructions for use: • This potato planter is suitable for planting operations on land with a soil moisture content of less than 20% and which is relatively flat after tillage and free of stones and obstacles. • The seed potatoes should be cut into blocks, with a quality control of 25-80 grams per block, with each block weighing about 45 grams and a diameter of 40-45 mm, and the diameter should not be less than 15 mm. The seed potato bowl can be replaced according to the diameter of the seed potatoes. It is recommended that the seeds be cut 5 days before sowing, dried or mixed with wood ash to remove some of the moisture from the cut to prevent adhesion. • Solid granular fertilizers should be used for chemical fertilizers. If the chemical fertilizers are compacted into blocks, they must be broken before use.