Laserfiche WebLink
periods. Fall and spring have proven most successful for seedling germination and <br />establishment for a variety of environmental, biological and equipment operation <br />reasons. These are generally the best times of the year for conducting planting <br />operations because: <br />• Soil moisture content recharges during winter dormancy prior to the <br />growing season, which supports germination and seedling growth <br />adequate to achieve establishment prior to the summer dormancy period; <br />• The ground is not frozen; <br />• Snow cover is not present; <br />• Higher soil moistures facilitate preparation of a suitable seedbed; <br />• Spring and fall months normally receive precipitation in greater amounts <br />that promotes plant germination and establishment; and <br />• Heavy equipment use associated with revegetation methods and <br />treatments can be timed to avoid impacts to excessively wet or dry soils. <br />Fall and spring plantings generally experience optimum seedling germination and <br />establishment. Cool - season grasses normally grow during the spring and fall when soil <br />moisture is good and temperatures are relatively cool. After establishment, about 2/3 <br />of a cool- season grass species growth occurs during spring and early summer, the other <br />1/3 occurs during the late summer and fall. Cool- season species generally go dormant <br />or exhibit very low growth during the summer period when precipitation patterns are <br />highly variable. <br />Warm - season grasses experience their primary growth during the late spring and <br />summer, generally being dependent upon warmer air temperatures, deeper soil <br />moisture and summer rainfall to promote their growth. Warm - season grasses generally <br />tend to be deeper rooted than their cool- season counter parts due to their reliance on <br />subsoil moisture. <br />Appendix G 10 07/01/02 <br />