Cultivation techniques of Pinellia ternata

Pinellia ternata is a kind of traditional Chinese medicine harvested all the year round. If the cultivation technique of high yield and multi-cropping is adopted, three kinds and three harvests can be achieved in one year. The cultivation techniques are as follows:

First, land selection and land preparation: it is better to cultivate Pinellia ternata with loose and fertile soil. When preparing the soil, apply 3000kg / mu of miscellaneous fertilizer, 25kg / mu of phosphate fertilizer, 25kg / kg of urea, and deep ploughing fine rake.

Second, sowing method: usually use tuber propagation, can be 3 kinds of 3 harvests a year, that is, April, July, October, October, April, April, October, April, October, When planting, trench was opened with a row spacing of 18 cm and a plant spacing of 10 cm to 15 cm. After sowing, the soil was covered and compacted. In case of dry weather, it should be watered in time.

Third, field management: mainly do a good job of weeding and soil cultivation. Weeding is first shallow and then deep, and the plant buds grow on the petiole of Pinellia ternata for about one month, that is, the soil can be cultivated, and phosphate fertilizer and soil manure or potassium dihydrogen phosphate can be applied. In the case of drought, small water should be watered frequently, and weeding and soil cultivation should be carried out after watering. In the late growth stage of Pinellia ternata, the pedicel should be removed so as not to consume nutrients and affect the yield.

Fourth, disease control: it can be sprayed with 1500 times of carbendazim or phoxim to control leaf spot and root rot.

Fifth, harvest: ploughing can be done with ploughing, careful selection, large ones for medicine and small ones for seed. Before using the medicine, the fresh dry Pinellia ternata was accumulated indoors for 4 days, then the sand was rubbed in sacks and woven bags, peeled, bleached in water and dried in the sun, the fresh products per mu were 600 kilograms and 750 kilograms.