| 20 |
pH, electrical conductivity (EC water), calcium, magnesium, sodium, sulfates, boron, nitrates, phosphorus, potassium, zinc, manganese, iron, copper, sodium adsorption ratio, chlorides, bicarbonates and interpretation |
55.00 |
| 21 |
pH, Electrical Conductivity, Nitrates, Phosphorus and Potassium |
40.00 |
| 22 |
pH plus Electrical Conductivity |
10.00 |
| 25 |
TKN – Total Kjeldahl % Nitrogen |
21.00 |