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<br />UNITED Sl-AYES NATURAL FtES!~URr:ES FIELD CiFFIC:E
<br />DEPARTMENT CAF C:C!NSEF:VATIUN V!_:~_ 1 NORI-FI HWY ~:5
<br />AGFiIC:ULTURE SERVICE MUNTE VISTA, C:0 c:1144
<br />F'ti r. ri e : 7 1 •?-c: `=~~~-51 14
<br />MEMO i
<br />TC!: Ji,l-ii~ Arl::~:rrii.-,r~, C:DC!-I DATE :• h•.lo•rvriibr~r- ~.- 1'-,.-,.°,
<br />FROM: -.._.= f~.~<.-sel I, RC:
<br />SUL-~JECT: Gr ave I F' i t F:ec I arirtit i on 1-' I are, Spr- i rig Cr-eel:: Fas=_.
<br />l t i s rr~y unders t.a.nd i r~_7 that; ynu have detailed soils i nforrr~at i ~~n from
<br />the k~revioi-u, G~ermit, so my s~~i I r.ornrr~ents wi I I be brief.
<br />E::HIC:IT I- Sri i l s Ir~f~~r-rnat i c~r~
<br />l-I-~e dorni rant so i I i s Cabin Sandy Learn, F t~~ 1! ~ percent s I ~~pes. "fl-~e
<br />upper- i nchee:. i ~ I earn, with the next = i nct~es tie i n,~ r I ay I darn, and
<br />the rerna i nder Lie i n;j very ;j r-a~.; e l I y area sandy. Curr er, 1, l y tl-i tare i s n!i l y
<br />s.bout 17 inct~crs of ,:~i I suited fc~r- plant ~arr~wth. Thi=~ _:~i I is
<br />r~~nsider-ed sleep and wall dra.iried. From my onsite •~isit, tl-~e rnair~ ::ail
<br />factors limiting ~aroatt~ ar'r sail ~~c.F,th, low water h~~ldirrg capa.~.-.rtY,
<br />a!~cl I ac4:: of c~rg-in i c matter-. fh i s so i I ~ an ar~d 'd i I I support ~~ I ant
<br />groa~tYi if the t.opsoi l is stocl::F~i led =: it carp tie replaced ir. a l~i.yer
<br />from c to 14 incl-~es thick:.
<br />E~~HIL-:IT__J_=_Ve3etat ive_Ir~f~_r-rnat i_c~r~.
<br />C~.irr-ei'.t veget-.~t i ~~n 'J r, i:tir? 51 to I S 1?Ye~30n11 Want ly Arizona fesrUe and
<br />rn~~unta i n rnut~ ty, eac:t~ comer- i s i rig at~out 4r%! percent- c.f tYie site. F'ar-r-y
<br />c~atgr-ass is ~~r, tl-,e si~t•~ at abau~l. '~ per-cent, J~..rr~egrass a~t abou~l.; ::-;
<br />k~er-cr.~nt, sgr.iirr-r~~It~ii I at ~ per-cent, and assorted f~~r-t~•-~ ildesterr~
<br />yar-r-oar, I-~erba,_ev~-r~_ clr~quefoll, s~-rlf~..rr L-uc4::wl-~ea~t, ar~d unl::nowni For- tP~e
<br />rerna.inin;~ {;er-~_:en1:. This plar~i. cornriwnity mill fit the ri~aJ:~r-ity c.f
<br />ttie site. Or. the side=.I,~pes ar~~l steeper a.r ea.s, shrr.rt~s such a.s shrubbY
<br />~ i nquefo i I t!e•g i r. t.. occur , cornF~r i s i rr~ up to i. f! percent of tt,r site,
<br />TI-~i~re i s also a limited arnol.u~t of pine dr-~~pseed ~u~ tl-~e s i des I ~~pr~s.
<br />The fesC.~_r: m._LY ti~~F~r oarh 1 _~ - ~•+ I nr-ties I n he i 3t, i., b~.rr, +.I'~e Vas1.
<br />rn~a.ior i ty of I,he ~_ i ~!.~- i s ! ess 'th3r1 _~ I17CtiB9 I-. i i3ti. 1-I-~ese p I -.3.ri1;5 are tt~e
<br />or,r.s that . ou I d I.~e e ;pac t.ed r,n this .. _, i 1 a.r,d range site ~wh i ct, i =.
<br />I_~~arr~y F'arl::). f. ~.d~.,uld i~s~tirnatr= c~..~rrer~t producti~~ri at r;,f!r:1 try ~:=:f.'6! pni.rnrjs
<br />per :icr'e, :;iLh alm~~s~!: all ..f it suita.t~le fart- animal cons;urnF~tion.
<br />• j ' ;;? I:~ e n i s 3 V a i l a t. l e ':•! i t l-~ o u t d a rn a ;] i !-i g {; h~ e plants , '!. I-. i s
<br />A53Lr r0i n• I ~,~r'r ~I_
<br />~d~~uld ~I_r-,.r'~slat~c 1;o abi~ut. acres per AJJM (Anlrnal Llnit Month?. F'r'irr~ary
<br />I irni'tatli~ns For- 1-.Iant 3r'r~wth .. r, tl-~i~ ite ~r-e -._~i I and Ien~3th ;f
<br />gr~~a!ing seasr~r~.
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