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 irrespective of property lines



Monitoring


“Monitoring is the environmental counterpart to financial accounting and reporting. It is logically part of the ordinary cost of doing business.” – Kai Lee


Best practices

  • IN THE WORDS OF BILL DERRYBERRY, IRRIGATION DESIGNER EXTRAORDINAIRE: "ET is promoted only because it is easily and theoretically, calculable, not because it is accurate. Therefore, . . . . the only responsible way to manage is to monitor!  Thence the moisture sensor, in adequate quantities, sagaciously placed! "
  • The old adage is so true: “You can’t manage what you don't know" Irrigation system water distribution non-uniformity is the vital statistic all irrigation water takers need, on-farm, on-home or park.
  • After establishing reasonable water distribution uniformity, irrigation timing and frequency are emphasized.
  • Rootzone monitoring of moisture and salinity is at the heart of adaptive management.  The analysis is eye-opening!  To be beneficial and economically feasible in short-term and more so in the long-term.
  • Improving distribution uniformity means soil moisture monitoring is more applicable to the similar landscape zones, or blocks.
  • Monitoring uses evapotranspiration estimates from state climate monitoring stations, but refines the estimate to your field.  Feedback from sensors is used to correct the "ET Model's Estimate."
  • The "Wetted Area" is not used to calculate application rate.  Plant spacing (length X width) and canopy coverage, relative to gallons applied per week within the spacing's area, define application depths we define and prescribe and how we recommend producers to do their accounting.

 

Economics

  • Fortunately, technologies are improving, and costs are dropping.  Major irrigation system renovation and enhancement such as monitoring systems, with their installation and acquisition perhaps should be amortized over 5-7 years, but your tax adviser should make this determination. 
  • If the urban site’s or the farm’s soils are uniform in terms of depth by soil types, topography, and climatic exposure, only a few monitoring sites will be required.
  • Uncertainty is examined by the variable nature and properties of the site, relative to the number of monitoring sites. 
  • Software Water Balance has used and might recommend has never been a major expense.