WHAT DOES FERTILIZER SUPPLY CHAIN IN AFGHANISTAN MEAN?

The letters N, P and K are the symbols utilized by chemists as a short hand to explain The weather. N is employed for nitrogen and P for phosphorus. The letter K is employed for potassium and means kalium, the initial Latin name for potassium.When working with fertilizer There are 2 things which are essential: the particular total (the burden) alon