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Despite our dependence on soil for our very existence, it is likely the least understood system on our planet.
read more... The soil health and activity depends on the interaction of three basics sciences. Each discipline is responsible for specific jobs or processes in the soil. When one or more of the sciences are out of balance, the soil will no longer be able to function effectively.
To read more about each:
Soil BIOLOGY In order to gain the most information about the condition of the soil and the problems that are causing the symptoms, learning about what you are looking for and recognizing what you are seeing is essential.
read more... Calcium is the tour guide and the referee to nutrients in the soil.
Of all the minerals, calcium has the ability to lower the electrical conductivity. Minerals that were previously locked up become available for the plant's use. read more... |
| HANNA EC/pH METERS | ||
Download PDF instructions for calibrating the meters... The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS readings are automatically compensated for the effects of temperature (ATC). This technologically advanced tester has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/TDS graphite electrode that resists contamination by salts and other substances. This gives these meters a greatly extended life. Your tester no longer needs to be thrown away when the pH sensor is exhausted. The EC/TDS conversion factor is user selectable as is the temperature compensation coefficient (ß). Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature tester brings you all the features you've asked for and more! |
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