The latest purple yam planting technology tutorial

Purple yam, also known as purple ginseng, purple yam, it is rich in vitamins, protein, amino acids and trace elements, has a very high nutritional value and dietotherapy value, planted in many areas. So how should purple yam be planted? Let's get to know each other.

1. Land selection and preparation

Purple yam suitable for irrigation and drainage convenient, loose fertile, deep soil layer of the plot, with good permeability of sandy loam or loam is appropriate, viscous or hard soil is not suitable, will affect its tuber growth and development, leading to its bifurcation or deformity, affecting the yield and quality. When planting, deep ploughing should be carried out in advance, the sun should be used to whiten it, disinfection and sterilization should be carried out, and the ridge should be prepared in the soil preparation. Generally, the width of the ridge is about 50 cm, the height of the ridge is about 30 cm, the width of the ditch is about 30 cm, and the ridge surface should be smooth and fine.

2. Sowing

Before sowing, we should first select disease-free seed potatoes, remove the soil, cut them into potato pieces about 5 cm long and weighing about 40-50 grams, apply lime or plant ash after the wound, sow after the wound dries, and pay attention to disinfect the cutting tools when cutting into pieces to avoid bacterial infection. The sowing time is generally selected before and after Qingming, and the method of single plant and single row is adopted. Generally, the row spacing of plants is 30×80 cm, about 2800 plants are planted per mu, and about 130 kg seeds are used per mu. When planting, furrows are opened in the ridge surface to fertilize, compound fertilizer or farm manure is applied into the furrows, a layer of soil is covered, and seed potatoes are put into the furrows.

3. Field management

After sowing, we should cover the plastic film. After the plastic film is covered, we should tighten and compact the surrounding areas. The plastic film should also be pressed with soil blocks to avoid being blown away by wind. After seedling emergence, we should break the film in time to avoid the seedling leaves contacting the plastic film and burning. The plastic film should be black, so the effect is better. After emergence, it is necessary to set up the vine in time, and the thin bamboo pole can be used to set up the herringbone frame. The bracket should be inserted firmly and tightly, so as to avoid wind blowing.

4. Fertilizer and water management

In addition to applying base fertilizer when sowing, during the growth period of purple yam, a large amount of fertilizer is required, and topdressing is also required in due time. Generally, 25- 35kg compound fertilizer and 10kg urea shall be applied per mu when the stem is full. Potassium dihydrogen phosphate and urea solution shall be sprayed for many times during the growth period to avoid premature aging of leaves. In summer is high temperature and rainy, easy to accumulate water days, in order to prevent waterlogging, to do a good job of drainage moisture, and in July-August when a week of dry weather, to timely irrigation, keep the soil moist.

The above is the introduction of purple yam planting technology, I hope to help you, if you want to know more related knowledge, please pay attention to us.