Keywords
Aluminium, pH, Total Nitrogen, Manganese, Calcium, Carbon to Nitrogen ratio, Potassium, Copper, Phosphate, Energy Resources, Phosphorus, Nitrate, Ammonium, Magnesium, Sodium, Sulphur, Total Carbon, Lead, Zinc, Loss on Ignition, Cadmium, Dry matter, Electrical Conductivity, Nickel, Cobalt, Iron, Chromium