Physical character: brown sticky liquid (pH: 3-7)Main ingredient: amino acid: 18%, including 17 sorts of amino acid and plenty ofelements, such as calcium and sulfur Main efficiency: enhances the crop's resistance, increases the crop's protein, improvesthe crop's qualityMethod: used as raw materials for the fertilizer or spray or drop irrigation accordingto the local soil and plantWarning: mixed with alkaline fertilizer is not allowedValidity: 18 months producing area:China