Ammonium phosphate is [(NH4)3 PO4] is a very good fertilizer because:
Nitrogenous fertilizers include:
Ammonium sulphate [(NH4)2 SO4].
Ammonium phosphate [(NH4)3 PO4].
All are correct.
Urea [(NH2)2 CO].
The fertilizer element added to the soil in wood ash is:
Leguminous plants do not need nitrogenous fertilizers because __.
