Potatoes better than soy protein, the closest animal protein. Potatoes are also rich in lysine and tryptophan, which is the general food are not comparable. Potatoes also rich in potassium, zinc, iron foods. Contained potassium can prevent cerebral vascular rupture. It contains protein and vitamin C, are Apple's 10 times the vitamin B1, B2, iron and phosphorus content is much higher than Apple. From a nutritional point of view, its nutritional value is equivalent to 3.5 times the apple. Rational use of plant yam cultivation of early market growth regulators, nutrition guide shift down as soon as possible, promote yam enlargement. After yam covered frame, excessive leaf growth but likely to cause field shading underground soaring, nutrition consumption, unfavorable underground tuber enlargement. Therefore, the use of underground soaring crop after yam covered frame, we should begin to pay attention to control leaf growth, especially pay attention to suppress underground soaring yam bean manufacturers produce and promote the transfer of nutrients down, so as soon as possible in order to ensure the yam listing, increase production. Underground soaring manufacturers | underground soaring | San Gil San Gil chemical provided by the Zhengzhou Chemical Co. San Gil Zhengzhou Chemical Co. (www.sjehg.com) strong, credible, in Zhengzhou plant growth regulating agents industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the San Gil chemicals into the brilliant and you work for a better future!