Improving qualitative parameters in vineyards with Terra-Sorb® foliar Monday, 14 November 2016 Field Experience | Vine & grape The use of amino acid-based bio-stimulants is a concept receiving much interest in vineyard management. Login to access the full new. If you do not have an user, you can request one. Login Remember Me Log in Forgot your password? Forgot your username? Create an account Leave a comment Please login to leave a comment.