When potassium humate used in tomato plants greenhouse,you can see the clear difference with Non use. 1.The tomato leaves not curved after using,become healthy and strong. 2.Less disease happened. 3.Increase harvest 4.Taste much better. VID_20180603_100725下载 Post navigation Previous PostPrevious Potassium humate functionNext PostNext Potassium Humate used in straw berry