DA-6 ( Diethyl aminoethyl hexanoate ) is a widely used plant growth regulator that especially effective when used on a variety of cash crop and food farm crop; soybeans, root tuber and stem tuber, leaf plants.It can increase the content of the nutrition to the crop, such as Protein, Amino acid, Vitamin, Carotene, and Candy share, to improve the quality of the crop, and to color the fruit and improve fruit quality, so to improve the yield(20-40%), make the leaves of flowers and trees more green, the flower more colorful, prolong the florescence and the breeding time of vegetables.