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17 yrs SDI1.jpg (93446 bytes)

SDI (a line on either side of the tree) on pecans in western Texas. A
couple hundred acres of this type of system in a 2,000-acre orchard that is
mostly flood-irrigated. Previously, these blocks were the best yielding in
the orchard, but in recent years they are dropping off in comparison to
flood-irrigated blocks. Note tree thinning going on. How will the
irrigation method do as blocks are thinned is an important question.