Dimitar Georgiev, Rosica Emilova and Stefan Hristov analyzed the chemical composition (Ammonium (NH4+ N), Nitrate (NO3– N), Potassium (K+), Phosphate (PO4-P)), acidity (pH) and soil activity in soil samples gathered from lands of different beneficiaries. Soil samples were taken according to standard methods. Our goal was to determine the nutrient reserve of the […]