牛蒡栽培技巧(国外英文资料).docVIP

牛蒡栽培技术(国外英文资料) The main points of the high yield of burdock Author: this site Burdock is a wild plant of civil widely distributed in our country, as a kind of special economic crops, cultivation began tested, in the late 80 s, mainly produced in the venture of jiangsu region. It is both a healthy vegetable with high nutritional value and a widely used Chinese medicine. Sales in the international market have been positive, and sales in the domestic market are becoming more and more favorable. Burdock were full of treasure, its fleshy root is edible part, nutrition is rich, every 100 grams of protein 4.8 grams, 242 mg calcium, phosphorus 61 mg, 390 mg beta carotene, resistance to blood acid 25 milligrams, the carotene content in vegetables in the second place, more than 150 times the carrots. Regular consumption of burdock or with burdock tea drink, can strengthen physical health, have fall blood pressure, the effect of spleen and stomach, kidney strong sun, also have certain effects on diabetes, rheumatoid. Burdock seeds can be used in medicine, main cure cough, sore throat, toothache etc. The cultivation of burdock has a high economic benefit, according to the survey, in fengxian area, the average yield per mu is about 2000 jin, the yield per mu is over 5000 yuan. One, characteristics Burdock genus, burdock genus, biennial herb. The strain is about a metre high. The fleshy root cylinder is 60 ~ 130 cm long, 2 ~ 4 cm in diameter, the root bark is rough, dark brown, its flesh is tender and tender. The seed has a spindle-shaped, a ratchet, dark grey, and weighs 14 to 16 grams. Burdock is fond of warm humid climate, cold resistant, heat resistant ability is stronger, plant growth optimum temperature is 20 ~ 25 ℃, under the high temperature of 40 ℃ can normal growth. When the temperature is 2 ℃ aboveground dead leaves, but more than 20 cm taproot, safe wintering in 15 ℃ condition. Burdock with sunshine, the requirement of strong illumination condition during the growth