How to plant sweet potatoes, sweet potato planting methods

1. Land preparation and fertilization: land preparation should be carried out on sunny days, and the soil should be broken and fine. After leveling, the fertilizer strip is applied to the bottom of the ridge, the ridge spacing is 80 cm, and the ridge height is about 20 cm.

Fertilizer can use special organic compound fertilizer, when the planting area is large, it is required to measure soil N, P, K and organic matter, and the soil pH value should be measured in the south. The use of ordinary compound fertilizers is not recommended.

2. Pruning and topping: For potato fields with more branches and more vigorous growth, two or three branches can be cut off with scissors, so that the nutrients can flow back and the potato pieces can get more nutrients. Topping regulates the movement of nutrients and promotes the delivery of nutrients to the roots.

When the seedlings grow to 40-60 cm, the tender tips should be removed, and the tender tips should also be removed when the branches are too vigorous.

3. Timely topdressing: about 15 days after transplanting, the seedling fertilizer is combined with the first tillage to apply 750-1000kg of thin human and animal manure or urea per 667m2. Potato fertilizer is topdressing in the branching tuber stage, which is generally carried out within one month after transplanting in combination with the second tillage, mainly nitrogen fertilizer, combined with phosphorus and potassium fertilizer.

After the stem and leaves are sealed, the growth rate of the root tuber is faster, and the top dressing is applied when cracks appear in the ground. 10kg of top-aurea superphosphate leaching solution per 667m2, 3kg of potassium sulfate mixed with 150-200kg of water to form a nutrient solution, and watering along the seam in the afternoon of a cloudy or sunny day is required to be evenly dressed.

4. Storage: early and medium-maturing varieties will be harvested at the end of August and early September, and late-maturing varieties will be harvested in mid-October. The latest harvest is before the frost.

Rainy harvesting is prohibited. When harvesting, it is necessary to dig, load, transport and unload lightly to prevent the potato peel and potato pieces from being bruised. The storage temperature is required to be 10-15, the relative humidity of the air is 85%-90, and the storage place should be clean and hygienic, and the rodent and poison prevention work should be done.

At the same time, it is necessary to have heat preservation measures to prevent frostbite and squeezing, and pay attention to ventilation and heat dissipation.

If you sell sweet potato seedlings, you can plant the seedlings in the soil, and the distance between the two seedlings should not be too close.

The method of growing sweet potatoes is quite simple.

Tidy up the land and ridge it.

Then bury some of the sweet potato seedlings in the ground.

When planting sweet potatoes, choose a plot with deep and fertile soil, plough it once, and apply sufficient base fertilizer, choose farmhouse fertilizer, urea and phosphate fertilizer. Once the plot has been treated, the seedlings can be planted in the soil. Usually planted in mid-April, using the line horizontal insertion method, 3500-4000 plants per mu, plant spacing about 33cm.

After planting, you can quickly adapt to the new environment and resume growth. If you want it to produce more, you also need to pay attention to the later management.

The cultivation of sweet potatoes includes ridge formation, fertilization, planting, weeding and seedling replenishment, water and fertilizer management and control of growth.

1. Ridge formation. Sweet potatoes grow better in sandy loam soils with plenty of fertilizer and water. After land preparation, ridge planting should be adopted.

2. Fertilization. Sweet potatoes need nitrogen, phosphorus and potassium elements in the growth process, more nitrogen is needed in the early stage, more potassium is needed in the middle and later stages, and when applying base fertilizer, 5000 kg of farmhouse fertilizer can be used per mu, plus a bag of compound fertilizer.

3. Planting. Spring sweet potato planting is generally carried out when the ground temperature is stable above 15, and there are methods such as flat planting and oblique planting. Flat planting is suitable for plots with good soil conditions and sufficient water and fertilizer, and the sweet potato seedlings are placed flat in the ridge, and the upper seedlings are exposed.

Inclined planting is suitable for arid, medium water and fertilizer plots, and the seedlings are planted obliquely into the ridges.

Fourth, weeding and replenishing seedlings.

Sweet potatoes are planted for 10-15 days, and the weeds are basically grown during this period, and weeding should be carried out after the seedlings are slowed. At the same time, it is necessary to observe whether there is a lack of seedlings and broken ridges in the field, and to replenish the seedlings in time. Dig up the original dead seedlings and replant another one.

Sweet potato seedling stage is mainly vegetative growth, in the top dressing of the infiltration, with 3-5 kg of urea per mu, with water.

5. Digging and missing ridges, water and fertilizer management.

When the sweet potato vine extends downward, this period is about to seal the ridge and enter the tuber setting stage, so it is necessary to prevent too much nitrogen fertilizer when fertilizing. Generally, two or three catties of urea are applied per mu, plus 10-15 catties of potassium sulfate.

Sixth, control the wang. In many sweet potato plots, the stems and leaves grow vigorously due to excessive water and fertilizer, and the tubers do not produce potatoes or the tubers are small. During the growth period, there are many ways to control the growth, such as vine lifting, vine turning, topping and chemical control.