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 Flow4-IS, Irrigation Scheduler, is a stand alone water balance
measurement system for irrigation automation based on plant
transpiration. Four Dynagage sap flow sensors read crop water
consumption. These measurements are compared to rainfall, soil moisture
and irrigation water supplied. The water balance or water deficit then
determines the amount of water to be replenished at a predetermined
interval. The system informs the grower to manually apply a specific
volume for the area intended, or the Flow4 may automatically open
irrigation valves until the water balance is replenished.
The internal logger collects the sap flow rates, rainfall, and irrigation history retrieval by PC or remote radio link. Flow4 makes water-efficient crop management easy and precise. Software to install and configure your Flow4 system is as easy as pointing and clicking on the icon for that function. Each plant-sensor has automatic diagnostics, with check marks to indicate all is well. Click on "setup" and the menu choices are clearly indicated graphically. After setup is complete, the PC may be disconnected and Flow4 does the rest. By direct communication to FL4 in greenhouses and with remote radio MODEM, PC software displays plant sap flow rates, rain, total irrigation, and the water balance on graphs as well as bar charts. Separate menus adjust the crop-field description, logger settings, and show overall system status. No other system has these unique features.
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