Early maturing potato technology

Spring potato films cover early-maturing cultivation, can be sown earlier, harvested in advance, increase production, and mention the morning market. In Shouning, Fujian Province, the technology of covering spring potato by film has been relatively perfect. The whole growth period is about 90 days, and the average income per mu is more than 1,600 yuan. Its main cultivation techniques are as follows.

1. Selected varieties such as Chunshu No. 4 and Dongnong 303 were used for early maturity, high yield, and high quality varieties.

2. Cut and germinate The potato is cut 15 to 20 days before sowing, and the vertical method is used to cut the pieces so that each piece has the upper and lower part of the flesh, and each piece has 1 to 2 buds. Each piece weighs 25 to 30 grams, and the incision is smeared with grass ash to prevent bad seeds. You can also use chamfering so that there are 1/3 of the tubers in the upper part of the eye and 2/3 of the tubers in the lower part. Then separate buds and buds, buds in a cool and ventilated place, no buds in the cool place for 2 to 3 days until the incision heal and then heat and germination, such as buds 0.3 to 0.5 cm long, you can sow.

3. The appropriate period of sowing can be sown at the end of January and early February on the premise that the seedlings are excavated and frosted in the membrane. 3500 acres planted, with a wide direct seeding (for ease of intercropping) 70 cm x 25 cm or 150 cm wide row of 4 kinds of lines (medium distance 40 cm, margins 20 cm x 40 cm). The water holding capacity of the soil should be kept between 60% and 70%.

4. The application of basal fertilizer to cover potatoes during the coating period is inconvenient for top-dressing. Therefore, the base fertilizer must be applied before sowing. In general, the mu fertilizer is 1000-1500 kg, phosphate fertilizer is 20-25 kg, and urea is 20-25 kg. Open deeper trenches and plant after covering soil. Seed potatoes can not be in contact with chemical fertilizers to prevent bad seeds.

5. There are two methods for covering the mulch film: - Small bow sheds are used to cover the area, but after the emergence, there are two ventilation anti-burning seedlings at noon on sunny days. The second is the use of a tile. After sowing, the film is laid on the ground and compacted with soil around it. During the emergence period, the sunny days must be broken in the morning or in the morning to prevent burning seedlings. The temperature is low when the membrane breaks. Do not take the seedlings out of the membrane. After the temperature is returned, remove the seedlings to the outside of the membrane, and use the soil to seal off the cracks to prevent weed growth.

6. Field management In addition to fireproof seedlings and antifreeze damage, we mainly do three things: (1) Use 15% paclobutrazol wettable powder 40 grams per acre, watered 30 kilograms, and apply foliar spray at the early flowering stage to prevent stubborn shoots on the ground. . (2) After emergence, use potassium dihydrogen phosphate 100 grams plus urea 500 grams, 60 kg of water for extra-root dressing, prevent premature aging. (3) After budding, remove buds in time to prevent unnecessary loss of nutrients. The potato growth period is about 90 days. See some of the leaves can be harvested after turning yellow.

Silage Cover is a kind of agriculture film with black colour on one side and white colour on the other side, which has been widely used for hydroponics system,horticultural field,basement covering with feature of UV resistance,light and water proof,no-leaking and easy-use.

Advantage of silage cover , that is black and white film:

1: White side facing upwards to reflect sunlight back to plants and prevent insects attacking.

2:Black side is downward to block light,restrain growth of weed,mildew and algae.

3:It keeps the soil moist and warm

4:Reduce soil diseases

5:Protect plant from frog

6:Low Cost

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