Sweet potato has always been known as “longevity foodâ€. It is rich in nutrients. Long-term consumption is very beneficial to the human body. It has been popular in recent years. The street sells roasted sweet potatoes. As the market demand increases, the price gradually rises. So how do sweet potato seedlings be cultivated? How many sweet potato seedlings can be planted in one mu of land? 1. Cultivation techniques of sweet potato seedlings 1. Soil preparation and fertilization Deep ploughing before winter or early spring, coated sweet potato growth period should not be topdressed, plus mulch cultivation due to high temperature, high humidity, nutrient decomposition and utilization, easy to remove fertilizer. Therefore, the base fertilizer should be applied at one time. Generally, about 45,000-60,000 kilograms of high-quality farmyard manure is applied per hectare, about 600 kilograms of ammonium carbonate, about 450 kilograms of superphosphate, and about 225 kilograms of potassium sulfate, preferably concentrated in the ridge when ridged. . Then clean the roots of the crops on the ridges, break the shovel, and level the dough. 2, timely planting In order to give full play to the mulching effect, the effect of the cover film at low temperature in early spring is effectively utilized, so that it can be planted at an appropriate time, and the seedlings are not harmed by the night cream, generally 5-7 days earlier than the open field cultivation. 3, reasonable close planting Generally, the ridge distance is 70-80 cm, the height is 20-30 cm, the ridge surface is 50-60 cm wide, the plant spacing is 18-22 cm, and the planting range is 6000-67500 per hectare. 4, planting cover film After ridging the ridge, remove the shovel, make the ridge surface smooth and smooth, and then plant it. It is best to spray the herbicide on the ridge surface before planting the film. Cut a T-shaped mouth on the top of the seedlings, and use the fingers to hook out the seedlings. The seedlings are exposed outside the membrane, and the base of the seedlings is sealed with soil. It is necessary to check frequently and find that the film is blown by the wind or the film surface is damaged, and it should be used for sealing in time. 5, field management Premature aging of sweet potato is an important factor affecting yield, especially drought and lack of fertilizer often cause the leaves to fall off and the growth is blocked. Therefore, in the case of drought, there is a sloping ditch to gently pour small water. When it is encountered, it should be removed in time. For the premature senescence field with yellowing of leaves, spray 1%-2% urea solution or 3%-5% on the leaf surface in time. A solution of superphosphate or 20% potassium sulphate is then sprayed once every half month according to the phase, preferably at 4-6 pm. Second, the matters needing attention When cultivating sweet potato seedlings, the varieties should be selected according to different uses and local cultivation conditions. The detoxified sweet potato seedlings are derived from organic farming systems, and the quality must meet the standards. According to different uses, Xushu 18, Ningshu No.1, Qinshu No.4, Meiying No.1, Qinxiu and other high-yield and high-starch varieties are used, and the shape of the potato pieces is neat and beautiful. How many sweet potato seedlings are planted in one mu of land? Generally, the density of spring potato in the north single row is 3000~3300 plants/mu, and the summer potato is 3300~3500 plants/mu. The density of autumn potato and winter potato in the south is relatively large, and the large area is 4000~6000 plants/mu. At the same time, the planting density of sweet potato seedlings should be determined according to its variety, soil fertility, fertilization level and planting method. The direct insertion density of short vines is generally about 6000 seeds per mu, and the long vines are inserted obliquely, generally inserted 2500~ About 3,500 strains, it is recommended that the sweet potato planting plant is about 33cm away. The above is about the related cultivation of sweet potato seedlings. In fact, the sweet potato seedlings of young leaves are also edible, and they are rich in nutrients, and many people will use them for cooking. Farmers who cultivate sweet potato seedlings must master relevant technologies and precautions. For the wonderful pictures and popular comments on the cultivation of sweet potato seedlings, you may be interested in the following recommended contents, welcome to read. Ice Cream Factory Processing Use Ice Cream Factory Processing Use,Durian Ice Cream Crunchy Cone,Ice Cream Container Mould,Edible Ice Cream Container Tianjin Yongkang Food Co., Ltd , https://www.yongkangfood.com
