Karnez, E.; Ibrikci, H.; Oztekin, M.E.; Dingil, M.; Oguz, H.; Kirda, C.; Cetin, M.; Topcu, S.; Korkmaz, K.
(Adnan Menderes Üniversitesi Ziraat Fakültesi Dergisi, 2008)
The ammonium (NH4) and nitrate (NO3) are the available nitrogen (N) forms that plants need in large quantities.
Their existence in the soil is limited, and concentrations are kept low due to the losses by leaching in the ...