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Last modified
1/26/2010 12:30:55 PM
Creation date
10/11/2006 10:23:17 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.128.J
Description
Silt Project
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
8/1/1961
Title
Report of the Reappraisal of Direct Agricultural Benefits and Project Impacts - Silt Project-Colorado - Part 2 of 2
Water Supply Pro - Doc Type
Report/Study
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<br />1'- <br />o <br />'l::I'l <br /> <br />Anticipat"d Cropping Systems <br /> <br />Climate, topograPrY, distance to central markets, and opportunities for <br />off-farm employment influence the kinds of crops that are commercially <br />produced in the project area. present irrigated crops consist of alfalfa <br />and pasture on 74 percent of the cropland; small grains on 19 percent; <br />corn silage on 4.5 percent; and sugar beets and potatoes on 2.5 percent. <br />Development of the project is not expected to affect the kinds of crops <br />produced. <br /> <br />Development of the project is expected to increase the percentage of the <br />project area in rotation pasture, corn silage, and sugar beets and to <br />decrease the percentage in alfalfa and small grains (table 14). On farms <br />that do not grow sugar beets, a 7-year crop rotation is assumed, including <br />5 years of alfalfa or rotation pasture, and 2 years of grain and corn for <br />silage or if topography was a limiting factor grain was substituted for <br />corn silage in the rotation. A 9-yellx (TOP rotation was assumed on farms <br />on which sugar beets were grown. Small grain was used as a nurse crop in <br />the seeding of alfalfa and rotation pasture. <br /> <br />A 9-year crop rotation was assumed on evaluation areas A, C, and G, On <br />evaluation areas B, D, E, F, and H a 7-year rotation was projected. Because <br />of slopes, corn ::;ilage lind sugar beets were not projected on evaluation <br />areas B, D~ F, and H. <br /> <br />Table 14. - Projected cropping pattern, wi thout and wi th project development, <br />by evaluation areas, Silt project <br /> <br />Crop <br /> <br />Alfalfa <br />Rotation pasture <br />Corn silage <br />Barley <br />Sugar beets <br />Range, nonirrigated <br />Farmstead, etc. <br />Total <br />Permanent pasture <br /> <br />Alfalfa <br />Rotation pasture <br />Corn silage <br />Barley <br />Sugar beets <br />Farmstead, etc. <br />Total <br />Permanent pasture <br /> <br />Evaluation areas g <br />gAg B g C g D g E g F g G g H gProject <br />Acres Acres Acres Acres Acres Acres Acres Acres Acres <br />Wi thout Project <br /> <br />. <br />o <br /> <br />1,214 <br />556 <br />247 <br />469 <br />150 <br />387 <br />195 <br />3l211:i <br />Y 255 <br /> <br />1,253 <br />633 <br />270 <br />492 <br />375 <br />195 <br />3,218 <br />Y 255 <br /> <br />597 <br />260 <br /> <br />341 <br /> <br />176 <br />88 <br />1,462 <br />110 <br /> <br />658 <br />326 <br /> <br />390 <br /> <br />88 <br />1,462 <br />110 <br /> <br />----- 122 <br /> <br />120 <br /> <br />----- ----- 2,053 <br />--~-- -~--~ 816 <br />----- ----- 247 <br />47 ----- ----- 905 <br />----- ----- 150 <br />341 346 2,122 <br />----- ----- 304 <br />341 346 6,597 <br />----- ----- 475 <br /> <br />123 <br />72 <br />19 <br />57 <br />50 <br />20 <br />341 <br /> <br />88 2,545 <br />144 1,528 <br />----- 390 <br />93 1,238 <br />----- 500 <br />21 396 <br />346 6,597 <br />----- 475 <br /> <br />----- 48 <br /> <br />657 <br /> <br />215 <br />----- 11 <br />215 HH <br />----- 56 <br /> <br />10 <br />177 <br />54 <br /> <br />657 <br /> <br />148 <br />241 <br />77 <br />77 <br />75 <br />39 <br />657 <br /> <br />Wi th proj~ct <br />60 107 108 <br />85 15 12 <br />----- 24 ----- <br />58 24 47 <br /> <br />Y Nonproject lands projected to r~ceive essentially th~ same supply of <br />~ater without and with project development. <br /> <br />12 11 10 <br />215 ll:il 177 <br />----- 56 54 <br />
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