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<br />"- <br />..... <br />a. <br />:E <br />a: <br />M <br />1Sl <br />CD <br />1Sl <br />CD <br />(J\ <br />(J\ <br />..... <br /> <br />1Sl <br />N <br />~ <br />D. <br />a: <br /> <br />1Sl <br />If) <br />\D <br />"- <br />" <br />If) <br />N <br />(J\ <br />..... <br />"- <br /> <br />ci <br />Z <br />ill <br />Z <br />o <br />:r: <br />a. <br /> <br />I.J.. <br />C <br />o <br />00 <br />c <br />OJ <br />... <br />x <br />ill <br />OJ <br />:> <br />.~ <br />... <br />.. <br />l.. <br />OJ <br />D. <br />o <br />o <br />U <br />:=J <br />(fJ <br />U <br /> <br />:E <br />lE <br />I.J.. <br /> <br /> <br />- - <br />---.. -----. <br /> <br />Published monthly by High Plains Underground Water Conservation District No.1, 2930 Avenue Q, Lubbock, Texas 79405-Ph. 762-0181 <br />. 0 <br />Volume 42-No, 11 THERE IS NO SUBSTITUTE FOR WATER November 1:900 <br />o <br />~ <br />Improved irrigation application efficiency just one benefit of center piv@ <br /> <br />B)' Lynn Mosel('y <br />Use of seveT<l1 cenler pivot sprink- <br />ler sys\ems h~s given Dahlen Han- <br />cfwk nf \VIl\ffol"\h gr<.~Clter nexn~ility <br />\lru.i: Slh.:n-ss in m.al1c~ging his tlVi\lldbJ€. <br />irrigation wateT. <br />J-hlncock operatE'S eight center <br />piv-ot irrjgation ~1'stC'ms on more than <br />1,000 ilcres of cotton. During the past <br />six ,'cars, Hancock has installed these <br />ceni...r pivot sprinklers on 400 acres <br />wcsl of Wolfforth in Lubbock County. <br />and (m 625 ocres near New Home i;1 <br />Lvnn Countl'. <br />~ "J SMrtro' irrigating my land with <br />\"Ow "'iltering." he said. "I was able 10 <br />grow a good crop, hull soon realized <br />that ahout half the field waS not <br />getting enough water due to the <br />un(!ven distribution of row watering." <br />Upgrading from furrow irrigation <br />to a center pivot sprinkler system <br />improved his irrigation application <br />efficiency and provided notable re- <br />sults from a managemenl standpoint. <br />"A cenler pivot system reduces labor, <br />improves waler distribution, and <br />increases management convenience," <br />Hancock said, <br />Seven of the eight pivols Hancock <br />operates .are Low Energy Pred~ion <br />ApplicatIon (LErA) systems. ".The <br /> <br /> <br /> <br />In Tall Cotton <br />Surrounded by cotton ready for hanrest. Dahlen Hancock 01 Wolflorth examines one of the dra socks a <br />sortnkler system he operates Mar New Home in Lynn County, Collon strippers right) wit be common sights in area fields as <br />producers begin tl1e 1996 crop harve~. <br /> <br />LEP A syslem has allowed me to make <br />the most of my available water. With <br />only Ihree gallons of water available <br />per acre, the use of LEPA drops on 80- <br />inch centers is a plus," he said <br />Hancock installs furrow dikes <br />under his pivol to reduce water losses <br />C3m;ed by runoff, "Runoff is a poten- <br />tial problem simcemost of Ihe land <br /> <br />that I farm is sloped. The furrow <br />dikes hold water in place unlil it. is <br />absorbed into the soil, so that the <br />crop can get maximum use from it." <br />He also 1lS<S Potential Evapotranspir. <br />ation (pEl) data to guide his irrigation <br />decisions during the growing season, <br />This helps maximize hi~ crop yield <br />...hile increasing water use:efficie(\(.'y, <br /> <br />''By keeping accurate records of <br />heat units and the amount of rainfall <br />received, I know how mueh moisture <br />is in the soil profile. This helps me <br />better delerm ine how fasl the soil <br />moislure is being depleted,. so r know <br />when 10 waler afield," said Hancock, <br />Eadt of Hancock's pivols run on a <br />See PRODUCER Page-Four <br />