An Unbiased View of Soilless cultivation
The substrate Option was then saved at −twenty°C until eventually the ammonium and nitrate contents were being analyzed Using the San++ Steady-Circulation Analysator (Skalar Analytic GmbH, Erkelenz, Germany). Nitrate willpower was determined by a response with hydrazinium sulfate, sulfanilamide and N-(1-naphthyl) ethylenediamine dihydrochloride