(Above) In 1995 a team of University of California faculty
and Cooperative Extension specialists and advisors began working with a
Sacramento valley grower to attempt to relate within-field variation of
crop yield and quality to variations in soil, pest pressures, plant tissue,
nutrient content etc. The team’s intent is to relate environmental variables
(such as soil drainage class) and manageable factors (irrigation, fertiliser)
to crop yield and quality using relatively low-cost information obtained
through aerial photography and yield mapping.
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