This handbook introduces the Hanna 38050 Nitrate Test Kit for Soil and Irrigation Water, including how to collect soil samples and how to perform nitrate determination.
The document serves as a user guide for the Hanna Instruments HI 38050 Nitrate Test Kit, designed for testing nitrate-nitrogen (N-NO₃) in both irrigation water and soil. It explains the nitrogen cycle, when to test, and how to collect representative soil samples.
| Sample Size (Soil) | 10g of soil |
|---|
Sample the top 30 cm (12") of soil.
The kit is designed to determine the need for nitrogen fertilization in soil and irrigation water to obtain the best crop response and avoid over-fertilization.
The procedure requires adding 5 measures of the sample cup of sieved soil sample to the test tube.