How to plant purple yam? Planting methods and techniques

Purple yam growth environment requirements

Purple yam is a deep-rooted plant, suitable for planting in areas with deep, fertile, loose, warm soil, groundwater level above 1 meter, and good drainage. It is very resistant to fertilizer.

The yield of purple yam is related to the planting site and the amount of water accumulated during planting. Generally, the yield of the non-ditch planting mode is 4,500 kilograms. The seed amount of purple yam per mu is 200-300 kilograms. The planting cost is not high, and it is simple to learn and easy to operate.

Purple yam planting time

Purple yam is usually sown around the Qingming Festival. The plants stop growing in October and the underground tubers are mature. Choose sunny weather to start harvesting and all should be harvested before frost.

How to grow purple yam

Purple yam is suitable for planting in fields with fertile soil, deep soil layer and convenient irrigation and drainage. Sprinkle decomposed rapeseed cake fertilizer on the ground when plowing the soil. Select disease-free and undamaged seed potatoes and cut them into pieces. Sow them around the Qingming Festival, then cover them with black mulch and build a support after the seedlings emerge.

Apply urea and compound fertilizer during the vigorous period of the vines, spray urea and 0.3% potassium dihydrogen phosphate solution in the later stage of growth, water appropriately depending on the soil conditions, pay attention to disease and pest prevention, and harvest at the end of October.

Purple Yam Planting Steps

Purple yam is suitable for loose, fertile, well-drained and deep soil plots, preferably sandy loam or loam with good drainage. Otherwise, it will affect the growth and development of its tubers, affecting the yield and quality. When planting, deep plowing should be done in advance and placed in the sun for disinfection. Generally, the bed width is about 50 cm, the bed height is about 30 cm, and the ditch width is about 30 cm.

Purple yam planting technology

Purple yam is suitable for planting in fields with fertile soil and deep soil layer, preferably sandy loam or loam with good drainage. Deep plowing and sun-drying are preferred, and the land should be prepared to make ridges. The ridge surface should be 50cm wide, 30cm high, and 30cm wide. The ridge surface should be flat and fine.

Before sowing, select disease-free seed potatoes, remove the soil on the surface, cut into tubers about 5 cm long and weighing 40-50 g, mix with fire soil ash, place the cut in a ventilated place to dry before sowing. When cutting, disinfect the knife with 75% alcohol to reduce the spread of bacteria.

Precautions for purple yam cultivation

The precautions for planting purple yam are to choose sandy loam or loam with good drainage. Use 75% alcohol to disinfect the knife when cutting the seedlings to prevent virus infection. After sowing, cover it with black mulch and compact it on all sides to promote emergence. After emergence, build a frame in time to guide the vines to grow upward, and fertilize and water reasonably, so that it can grow well.