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DocuSign Envelope ID: E39A7F34-1956-4F98-91AB-121A6B293FOE <br /> t i si mperati vethat disturbed soi I sbetotal I y protected f rom erosi on and sediment <br /> I oss duri ng constructi on and before a pro ect i s consi dered compl ete and <br /> acceptable. nstal I i ng appropri atevegetati on i n an i mmedi ateand ti mel y fashi on <br /> is the optimal means of achieving this stabilization. Vegetative specifications <br /> for most exposed soil conditions across North Carolina are provided in this <br /> section of the manual. t should be noted however,that no two sites i n the tale <br /> are exactly alike;therefore the protective vegetative cover for individual sites <br /> shoul d be caret ul I y sel ected. ach requi res i is own i nvesti gati on, and ysi s, <br /> design and vegetative prescription as set forth in this section of the manual. <br /> This practice standard describes three stages of vegetative cover immediate, <br /> primary and longterm. ff ecti ve and acceptable stabi I i ati on can be provided <br /> onl y when the opti mum combi nati on of i mmedi ate, pri mary, and I ong term <br /> vegetative practi ces are appl i ed. <br /> The vegetati ve measures presented i n thi s chapter i ncl ude appl i cati on of seed, <br /> sod and sprigs. Use of field and container grown plants are not addressed <br /> i n thi s manual. R anti ng of these types of vegetati on i s typi cal I y at spaci ng <br /> and intervals that will not provide the required protective cover. owever, <br /> the design professional is encouraged to uti I i e these larger plants to <br /> compliment the required protective cover, particularly where these types of <br /> pl ants wi I I provi de seed for Conti nued I ong term cover and wi I dl i fe habitat. <br /> PLANNING CONSIDERATIONS <br /> SOILS <br /> Test and analyze the type(s)and quality of the existing soils on a site,their pH <br /> ranges, and thei r nutri ent I evel s. Ta i ng soi I sampl es from the different areas <br /> of the pro ect si to and havi ng them tested at a state or i ndependent I ab wi I I <br /> provide a baseline for determining the pH modifiers and additional nutrients <br /> requi red for the sel ected pl ant vari eti es. <br /> isturbed conditions on a site may produce a variety of soil communities. <br /> utrient and p levels in deeply cut soils will be quite different from those <br /> soils found on the original surface. hen sites are highly disturbed through <br /> mechanical means such as grading,the soils become mixed together in many <br /> different ratios. These areas should be identified and tested. <br /> esul is f rom soil tests wi I I usual I y i ncl ude recommended application rates of <br /> soil modifiers such as lime and fertilizer for the selected plant species in the <br /> parti cul ar soi I s. ppl i cati on rates wi I I be i temi ed i n the report. <br /> The texture of the soil on a site,which is the proportion of sand,silt,and clay <br /> i n the soi 1, i s an i mportant physi cal i ndi cator of the si to s abi I i ty to support <br /> vegetation. n heavy clay soi I s amendments maybe necessary to provide an <br /> adequately drained planting medium. Conversely, in extremely sandy soils, <br /> amendments may be required to provide for moisture and nutrient retention. <br /> 6.11. Rev. /0 <br />