Laserfiche WebLink
<br />1\ <br /> <br />2032 <br /> <br />I <br /> <br />required to obtain economic yield and acceptable quality. Dryland <br />corn silage can not be produced on the Ute Indian Reservations. <br /> <br />Silage corn can be successfully grown at higher elevations than grain <br /> <br />corn since the requi red growing season is shorter because the crop is <br />harvested prior to grain maturation. <br /> <br />1; <br />,I, <br />'- <br />I <br />I' <br />I <br />l <br />I: <br />I, <br />I <br />I, <br />I' <br />I <br />I <br />I <br />I' <br /> <br />Climatic conditions summarized in Section 4 impact the suitability <br />of silage corn to achieve economic yields in different climatic <br />zones. Table 6.24 summarizes corn silage suitability and estimated <br />potential yields for each climatic zone. <br /> <br />In general, silage corn is well suited to a wide range of soil types; <br /> <br />however, the crop performs best on deep, well drained, medium <br />textured soils. In cooler climates, corn performs well under <br /> <br />irrigation on deep, light textured and sandy soils that warm quickly <br /> <br />" <br />in the spring. Silage corn is moderately sensitive to soil salinity <br />with the critical concentration at which yield may be reduced being <br />about 1.8 mmhos/cm. Application of irrigation water with salinity <br />values greater than 1200 micromhos/cm may also reduce corn silage <br />yield. Table 6.25 summarizes the impact of salinity on crop yield <br />for irrigation water sources for the Ute Indian Reservations <br />identified in Section 4 (see Table 4.1). Salt concentrations in <br /> <br />these water sources vary markedly but salinity levels are well within <br /> <br />acceptable limits on all but the Mancos River. Mancos River water <br />has a total average salt concentration of about 2278 micromhos/cm. <br /> <br />This concentration has the potential to reduce yields approximately <br /> <br />6- 37 <br /> <br />I <br />