Test items
Soil nutrients: ● ammonium nitrogen, available phosphorus, available potassium, moisture, organic carbon, organic matter, pH and other items;
Test items
Soil nutrients
Nine items including ammonium nitrogen, nitrate nitrogen, available phosphorus, available potassium, organic carbon, organic
matter, total nitrogen, pH value, water, and alkaline hydrolyzed nitrogen; Medium and trace elements: calcium, magnesium, Sulfur,
iron, manganese, boron, zinc, copper, chlorine, silicon, etc.
Fertilizer nutrients
Nitrogen, phosphorus and potassium in elemental fertilizers; Ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, and
biuret in compound (mixed) fertilizers and urea; Available nitrogen, quick-acting nitrogen in organic fertilizers Phosphorus,
available potassium, total nitrogen, total phosphorus, total potassium,