The earths crust soil
Nutrient Management Planning. 2 N Nitrogen P Phosphorus K Potassium ………NO 3 Nitrate ………P 2 O 5 Phosphate ………K 2 O Potash ……… Nutrients needed by grass.
Lecture Intro B What is Soil? “You will die but the carbon will not; its career does not end with you. It will return to the soil, and there a plant may.
