Question

which instrument is used to measure the Amount of sodium and potassium in the soil ? ​

Answer 1

Answer:

How do you test for sodium in soil?

The basic test needed to determine the levels of soluble salts (soil salinity) is EC. For soil Na+ levels (soil sodicity), researchers use the SAR test. Because the SAR test is time-consuming and expensive, at the farm level, %Na is an acceptable test to assess soil sodium (Na+) levels

How do you measure potassium in soil?

Potassium is extracted from air-dried soil samples by shaking with 0.5M ammonium acetate/acetic acid solution for 30 minutes. This effectively displaces the potentially available K+ ions. The potassium content of the filtered extract is then determined using a Jenway PFP7 Flame Photometer.

Explanation:

Answer 2

Answer:

EC meters  is used to measure the Amount of sodium and potassium in the soil.​

Explanation:

• The concentration of soluble salts in the soil is measured by salinity. Sodium chloride, bicarbonates, sulphates, and calcium, potassium, and magnesium carbonates are the most prevalent salts.
• Electrical conductivity (EC) in decisiemens (dS/m) is used to measure soil salinity.