Laserfiche WebLink
C.S. CEo;.R!hE7r ;F AGRUUL?tRE • • PAG= 3 CF 3 <br />':aTURA~_ ~ESC~.:RCEG CO`;SER'rAiICG SERY:~E C3/9/98 <br />:C'3'R~~'E'::1 >'ATERIALS <br />Endr.c:e -- .C'STRJCT:C4 "ATERIALS--Cott:aueC <br />'c,sci: is _sed ;o cover an aria =_o :hat vecetatioc can be establishad and ~,aintai~ed. itz cpper ;~ inches c' a soi: <br />a z4a:ca:e' fo' ae 35 top5oi:. Also e4al~ated is the reclacaticn peteAtia::f the borro:: ar=.a. Plant growth is <br />affzcte' tr tc+ic ~ateriai acd by such p'operties as soli reaction, aca:tab:e aata' capacity, and fertility. ?hz ease <br />o° 3~caca:i'g, :calling, and spreadicg is affected by rock fragme-ts, slope, a w3te- table, son tartan , and thickness <br />` suitab:e zaterial. 4ac:a,:atior. of :be be'rrow area is affected by slope, a wate~ table, •oc'• fra3ments, bedroc.r, <br />a r;, :cric rateria:. <br />Soi:s r :e Gaod lava `ria:le scary aerial tc a dzpth o` at leas: +C icches. ?her are free of stones aid cobbles, <br />-aSE lath 0' 'J gr3V21, a•d lave sloes of 1E55 Char 8 Fercent. they are :o., in ccntert cf solcS:e salts, are <br />cat~•aay fe•:i:e cr respond ::ea to fertaizer, and are rat so :.e::''°.a: ercartio~ is diffic~:;. <br />ScilE rate: 'Fa`.r` are sandy soi a , !cagy sofa that lave a relati,e:y hiS~S co•:e~.t cf clay, soils t`at race only ?~ <br />:o t7 inches of saitable uatarial, soils .hat have a~ app'eciab:e a-umt cf orsv2l, stores, cr solcble 53::5, o- <br />scils that ha4e s:ones of 6 to IS percent. The soia are not se wet that erca~,~tio^ s diffia::. <br />Eciis rate 'poor' are :ery sandy ar clayey, `,ave less than 2C inches of s~itabla -atzriai, tarn a :arge arcu~t c` <br />grace:, stc'.es, cr solub:e salts, haae slopes of r,ore th3r ;5 perm;, or ha4e a seasons: water tab:2 a: or near :..".e <br />sarface. ?•e sur'ace layer of ,ost soils '.s ge°era::r Pre`ar.zd for ::asoil because of a :rcallc 'attar con:znt. <br />Cryeci; rate' greztly increases :he ahso•ptioc and retention o` ,roist~re arc r.trients fo' p:an: growth. <br />