They classify soils and reproduce them to determine whether they contain substances vital to plant growth such as compounds of nitrogen, phosphorus, and potassium.
Such nutritional substances include compounds of nitrogen, phosphorus, and potassium. They classify soils and reproduce them to determine whether they contain substances vital to plant growth.
They classify soils and reproduce them to determine whether they contain substances vital to plant growth. Such nutritional substances include compounds of nitrogen, phosphorus, and potassium.
They classify soils and reproduce them to determine whether they contain substances vital to plant growth. Such nutritional substances include compounds of nitrogen, phosphorus, and potassium.