... .com Skype: youqingping Tel: 8613699415698 When the plant lacks of copper, the performances we can see top wilt, internode shortening, ... leaves, distorted, reproductive organ development blocked. Amino acids chelated copper is an effective fungicide to kill the virus . When the ... Main Function: 2.1 Copper element can promote the growth, output, income, but also have the ability of a drought ,cold, ...