Potato high-yielding cultivation techniques for potato ridging are integrated cultivation techniques for potato, which are integrated by deep loosening, ridging, deep fertilization, and reasonable close planting techniques, which increase production by more than 15% compared to conventional cultivation, and increase the commodity rate of qualified potatoes by more than 20%. The technical points are now described as follows:
Select varieties
At present, it mainly promotes the production of potato varieties such as Zhangshu 8 and Feiwuruita and Xiabuti.
Land selection, trenching, ridging
Potatoes are not suitable for continuous cropping. Potato high-yielding cultivation techniques are suitable for rotation with crops such as beans and cereals. It is advisable to choose sandy loam or tidal mud fields with fertile soil, deep soil layer, loose structure, good drainage and irrigation conditions, and strong water retention and fertility conservation. After the ploughing, the land will be leveled in a timely manner so that the soil, land, and foot can be achieved. It is required that the car be leveled and finely finished, and the ditch and cross ditch should be opened to facilitate drainage and stain prevention. When ridging, the ridge width should be 60-66 cm, the ridge height should be about 20 cm, and the line spacing should be 90 cm.
Processing seeds
Seeds must be carefully selected before sowing to remove diseased potatoes and rotten potatoes. Seed potatoes must be complete, no pests, no frost damage, and the potato skin is smooth and fresh in color. The large seed potatoes are cut into pieces, and 75% alcohol or potassium permanganate solution is used to disinfect the cutters and diseased potatoes to prevent virus (bacteria) infection. Each seed potato should have 1~2 robust buds, and use the top buds as much as possible. Each weight should be 25~50 grams. Cuts should be accompanied by sowing, with about 150 kg of mu.
Master the sowing method and density
The spacing is 33-36 cm, and the spacing is 90 cm. Each seedling sows a seed potato that promotes buds. After sowing, cover the soil with a seed tube and flatten the ridge. The thickness of the cover soil is about 8 centimeters, and the overburdened soil is too shallow. The knotted potato will be exposed to green and affect the quality. Excessive soil thickness will delay emergence and affect yield. The general planting density is about 3,000 Zhangchangshu 8/mu, Feiwurui 5000/mu, and Xipoti 4500/mu.
Shizuji Fei
Generally, 1500-3000 kg organic manure, 30-40 kg phosphate, 200 kg grass or 20 kg potassium sulfate are applied per acre, and the base fertilizer is applied to two rows of seed potatoes in a ridge. At the time of sowing, for example, 1000 kg of human or animal urine per acre or 15 kg of nitrogen fertilizer can be used as a seed fertilizer to make the seedlings quickly and neatly and robustly.
Timely top dressing
In addition to co-cultivation and weed control, temperature management, and water management (in the same way as conventional cultivation), top-dressing of potato tubers should be carried out in the early stage, and 10 kg of urea and 15 kg of potassium sulfate should be topdressed. Can also use 2% urea solution or 0.2 ~ 0.3 kg of potassium dihydrogen phosphate water 50 kg foliar spray.
Pest control
The main disease of potato is late blight. If the rainfall is too high, the plants will be seriously affected before and after the flowering period. The diseased plants can be found in Yinfali, Jinleiduomier and Keluo.
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