Planting techniques of Chinese Yam

Chinese yam is a plant of the genus Dioscorea of Dioscorea zingiberensis. It is an ancient crop used for both medicine and food. It has been cultivated for 2000 years. Its root tuber is rich in protein, amino acids, vitamins and starch. It has the effect of invigorating spleen, strengthening essence, tonifying lung and kidney. It is a good medicinal plant for both food and medicine in the treatment of diabetes, which is cultivated all over the country.

Cultivation techniques of Chinese Yam

1. The selected land yam is a deep-rooted crop, which requires sandy loam with deep soil layer, loose soil, good drainage and fertile sandy loam, which is not strict to climatic conditions and has strong adaptability.

2. Propagation methods there are two propagation methods of Chinese yam: Reed head propagation and bulblet propagation. In the first ten days of April, when the temperature rose to about 15 ℃, the Reed head in the sand was taken out and the sturdy and intact one was selected for planting. When planting, the horizontal trench was opened on the border surface according to the row spacing of 30 cm, the ditch was 10 cm deep and 20 cm wide, and then the Reed head was laid flat at the bottom of the ditch in the same direction. After planting, cover the soil 5 cm thick, cover with a layer of stable fertilizer, and then water it. Planting is about 100 kilograms per mu.

3. Field management

The main results are as follows: (1) the stems and leaves of Chinese yam are rattan stems. When the seedling grows to 30 centimeters, it is necessary to build a frame with a bamboo pole according to the row spacing. The height of the frame is 2 meters, and the stem is pulled to the shelf, which is conducive to growth.

(2) after weeding and topdressing seedlings are unearthed, weeds should be weeded in time, generally 3 times, 4 times, artificial weeding, do not damage the planting and stems and leaves. When the seedling height is 30ml 50cm, topdressing once, dilute human feces and urine about 2000 kg per mu, can be properly received some urea.

(3) drainage and irrigation yam is a fleshy root crop. For fear of stagnant water, it must be drained in time in the rainy season to prevent Rain Water from overflowing the border so as not to cause rotting roots. Chinese yam is resistant to drought, but in order to increase yield, it should be properly watered and fertilized during the dry season.

(4) Disease and pest control yam is mainly used to control local pests. Soak the seeds for 10 minutes with Bordeaux solution of 1RU 1RL 150 when planting. Then sow the seeds to prevent rotting roots. Conditional areas can carry out soil disinfection, can kill germs in the soil and ground tigers, grubs, etc., medicament can be used carbofuran, phoxim and so on. White rust may occur in the aboveground parts of stems and leaves, which can be sprayed 1-3 times with 500-fold solution of Dysen zinc.

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