Industrial soil-tests kits give outcomes that may be very inaccurate, based upon approaches and interpretation. In fact, one of the most precise method is made of laboratory Investigation in the nutrient content of plant sections, including the leaf. The outcome, when correlated with yield reaction to fertilizer application in industry https://dap-fertilizer-afghanista81345.loginblogin.com/45883740/fertilizer-supply-afghanistan-for-dummies