Gary S. status educator age 60s Question -What is the chemical composition of commercial liquid fertilizer. I am inquiring about liquid nitrogen fertilizer, is it delivered in an insoluble form or is it a part of a more complex compound. The following may be helpful re.
Liquid fertilizer is just a solution of water-soluble compounds.
Many compounds can be used for fertilizer. Common nitrogen-containing compounds used are urea, ammonium nitrate, and ammonium phosphate. The composition of a commercial fertilizer can be found on the label. The N,P, and K are obviously not present in their elemental form, but that is how the relative amounts are expressed. Argonne National Laboratory, Division of Educational Programs, Harold Myron, Ph.D., Division Director.