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<br />Appendix 1 <br /> <br />1',) <br />CD <br />w. <br />CL-' <br /> <br />Brief Description of Participating FaIms in Delta <br />Delta 1992 -1993 Fanner Participants: <br /> <br />.... <br />.~r{':::; <br />.~:<<= <br /> <br />FARM # 01 <br /> <br />1992: The surge demonstration plot consisted of 10,5 acres and was compared with a conventional <br />plot of 1,5 acres, The crop grown is alfalfa with a restrictive root zone of 60". The major soil type is <br />Billings Silty Clay Loam, 0-2% slope, AWC for the 60" rooting depth is 10.2", Sand and gravel in the <br />irrigation water caused problems with the operation of the valve, Because of this and the amount of <br />water pressure on the valve, difficulty in getting the valve to switch from side to side was encountered, <br />The irrigation system used was gated pipe, <br />1993: The cooperator felt that because of the problems he had encountered in 1992 that this field <br />was not suitable for surge, <br /> <br />FARM # 02 <br /> <br />I 992: The surge demonstration plot consisted of 4.5 acres and was compaI'ed with a conventional;:/<, I <br />plot of 43,5 acres, The crop grown is alfalfa with a restrictive root zone of 60", The major soil type is <br />a deep Mesa Clay Loam overlying gravelly well drained substratum, 0-3 % slope, AWC for the 60" <br />rooting depth is 7.5". This field has extremely long fUlTOWS and is irrigated in three different directions <br />because of the rolling contour of the ground, This caused a substantial amount of crossover washing to <br />occur, The irrigation system used was gated pipe, <br />1993: Because of the present irrigation configuration on this field, it was not possible to bIing more <br />of this field under surge. It was decided to allow the cooperator to keep the surge unit and to help when <br />requested, but this field was not monitored for data collection, <br /> <br />FARM # 03 <br /> <br />1992: The surge demonstration plot consisted of 16 acres and was compared with a conventional <br />plot of 5 acres, The crop grown on this site was com with a restrictive root zone of 42", The major soil <br />type is Billings Silty Clay Loam, 0-2% slope, AWe for the 60" rooting depth is 102". This field has <br />a tendency of being very cloddy and preparation of a good seed bed is difficult. <br />The inigation system used is gated pipe, <br /> <br />Page 30 . Lower Gunnison Surge Demonstration Project <br />