In addition, there are environmental factors, measured by value air temperature measurements. Soil temperature. Relative humidity of air, soil, moisture and light intensity values of acid-alkaline (pH) The relative humidity in the atmosphere. Do this by using the wet-dry tool to thermometer hanging in the shade, just above the ground is approximately 1.5 meters and then delete the value to match against a scale air temperature tool is available from the information in the section of dry thermometer for the temperature underground is done by using a long wooden bar to find the thermometer and a strong shot into the Earth where it measures value by approximately 10 cm deep stab and then bring the thermometer into ear plugs keep 10 minutes to read the temperature value measured and light intensity values by using this tool, the lux meter measure light intensity during the same period, between 11.00-12.00 hrs.
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