2015 purple potato seedlings, purple sweet potato seedlings wholesale, now foreign wholesale purple potato seedlings, purple sweet potato seedlings 800,000, for purple potato planting area of ??300 acres of land, I provided the purple potato seedlings, purple sweet potato seedling varieties more purple. ? Our purple potato virus-free seedlings, purple sweet potato seedling nursery traditional mode, although the high cost has doubled, but more than roughness purple sweet potato seedling nursery than the density of crude to 3-fold to more than five times higher survival rate. High yield on future can be up to 20%. ? 2015 _ purple sweet potato purple potato seedlings seedlings wholesale price of 0.1-0.5 yuan strain, complimentary purple potato purple potato seedling cultivation techniques more than 200,000:? 0.1 yuan a strain of more than 20,000 purple potato seedlings:? 0.2 yuan a purple potato seedlings over 3000:? 0.3 yuan strain over purple potato seedlings 1000:? 0.4 yuan strain of purple potato seedlings 500 above:? 0.5 yuan strain of purple potato hi warm climate, suitable for growing stems and leaves? temperature is 18 ~ 25 ℃, the temperature is below 15 ℃, stop growing. The optimum growth temperature for the roots to 22 ~ 24 ℃, the ground temperature is below 20 ℃, stop enlargement. Purple is the high anthocyanin content, the average content of 76.38 mg / 100g fresh potato. ? Purple potato selenium and iron is the body anti-fatigue, anti-aging, blood essential elements, particularly selenium is known as "cancer King", easily absorbed, can remain in the serum cardiac repair, enhance immune power, remove the body of free radicals and inhibiting cancer cell division and growth of cancer cells and the synthesis of DNA, the prevention of gastric cancer, liver cancer incidence. The purple of dry matter and starch content, dry matter content of 36% to 40% starch content of 25% -27%. ? Purple sweet potato is rich in cellulose, can increase stool volume, promote gastrointestinal motility, to clean the intestine mucus retention, product gas and putrefaction, feces toxic substances and carcinogens, to maintain smooth stool, improve gastrointestinal environment, prevent gastrointestinal diseases. In addition to its ordinary sweet potato nutrients, but also contains polysaccharides, flavonoids, and is also rich in selenium and anthocyanins, with some prevention of hypertension, reduce liver dysfunction, anti-cancer function of purple potato yield potential is high, By mulching, fertilization, growing the entire process control, pest prevention and control measures effective, standardized, large-scale cultivation, can take advantage of the yield potential of the species.