![]() ![]() For best results the sensor is recommended to be placed NEAR the crop but not in it to avoid it being sprayed. To detect Botrytis risk we monitor leaf wetness using the Decagon leaf wetness sensor. Bacchus Botrytis Disease Modelīotrytis cinerea is a disease that affects soft fruits, mainly wine grapes, usually affecting vines that experience constant wet or humid conditions, or over irrigation. The North American formula was designed to be applied at low temperatures (as low as −46 ☌), when humidity levels are also low. ![]() ![]() The Australian formula includes the important factor of humidity and is somewhat more involved than the simpler North American model. The vapour pressure can be calculated from the temperature and relative humidity using the equation: v = wind speed (m/s) at an elevation of 10 m.It was extended in the early 1980's to include the effect of sun and wind. The apparent temperature, invented in the late 1970's, was designed to measure thermal sensation in indoor conditions. The Australian Bureau of Meteorology, using a model developed by the US Navy, researched and then developed their own formula, the Australian Apparent Temperature. Australian Apparent Temperature (Feels Like) If you don't already have the sensors, give us a call and we can let you know if it will work with your unit and what the addition will cost. If you do, it is as simple as calling and asking for the calculation to be added to your page. Check the list of sensors at the bottom of each description to see if you already have these sensors. Below are a number of calculations that Harvest can calculate using various sensors attached to our monitoring systems. ![]()
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