... soil organic matter, after nitrite and nitrate bacteria the role of bacteria to produce nitric acid. Soil nitrate with potassium, ... found in soil nitrate toilet, pigs, cattle pens house, courtyard of the old skirting, cliff, cave, and not easy to be rained ... knockAvoid mixing with organic compounds, sulphur or reducer in case of explosion3) Protect from sun and rain during transportation4) Load and ...