regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
regenerarea $i refacerea arboretelor de stejar cu ... - Editura Silvica
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Az,:22 - 42 cm'<br />
As/B: 42 - 60 cm,<br />
Br: 60 - 22O cm,<br />
B/C :220-320 cm,<br />
cenu<strong>$i</strong>u, slab colorat <strong>de</strong> humus, <strong>cu</strong> puline pete ruginii 9i putine concrefiuni<br />
feromanganoase mici, luto-argilos, structurat grosolan glomerular<br />
plnd la alunar, <strong>cu</strong> muchii.<br />
marmorat, cenuqiu <strong>cu</strong> pete gi vine ruginii, <strong>cu</strong> concrefiuni feromanganoase<br />
<strong>de</strong>se <strong>$i</strong> mici, argilos.<br />
ruginiu-gilbui, slab marmorat, <strong>cu</strong> pete qi vine ruginii mai aprinse, <strong>cu</strong><br />
pete Si vine subliri feromanganoase, a.rgilos, nu prea compact.<br />
acelagi aspect, c€va mai accentuat ruginiu, <strong>cu</strong> pete negre feromanganoase<br />
mai <strong>de</strong>se gi mici, neregulat rdsplndite; separalii calcaroase mai<br />
<strong>de</strong>se ln partea inferioarri a orizontului; lutos, <strong>cu</strong> numerogi pori fini.<br />
Pidurea Steiiret, situati in cimpia clintre lieajlor' ryi Argeq, care face<br />
tuan:zifiia lntre crimpia joas5, <strong>de</strong> rlivagare Titu-Potlogi qi cimpia inalttr<br />
Gfivanul-Bur<strong>de</strong>a. Altitudinea 150-155m. Apa freatich, la 6-?m.<br />
Pd,durea este uscatl qi exploatatra azi in intregime. A fost un qleau,<br />
format din <strong>stejar</strong> <strong>cu</strong> frasin, ulm, jugastru, artar tdtd,rd,sc, putin tei, pulin<br />
carpen, rar cel'.<br />
Solul, format p€ un lut argilos <strong>cu</strong> rare qi mici<br />
cioase, transformat cindva in l[coviqte, & evoluat,<br />
care, din c az^ gxelei permeabihlbS,li a orizontului<br />
t'uatf, podzolire profundi <strong>de</strong> hidrogenez5,.<br />
Frolilul:<br />
pietricele t1o roci silifipre<br />
tipul brun-roqcat,<br />
B,asuferitoaccen-<br />
Ao - sl,ab reprezentato litieri subfire' lntreruptA'<br />
Ar - 0 * 10 cm, btun-cenuEiu, <strong>cu</strong> humus, lutos, glomerular <strong>cu</strong> mucLii.<br />
As: 10 * 35 cm, cenugiu-<strong>de</strong>schis, <strong>cu</strong> evi<strong>de</strong>nte pete ruginii, lutos, glomerular-<br />
Ag/B : 35 - 60'cnr, cenugiu mai tnchis, <strong>cu</strong> pete ruginii accentuate, luto-argilos, <strong>cu</strong> structur5<br />
, prismatic{, ln<strong>de</strong>sat'<br />
IJl : 60 - 80 cnr, trun-ruginiu-<strong>de</strong>schis, argilos, ln<strong>de</strong>sat, compact, <strong>cu</strong> criptrturi mari ln<br />
timpul secetelor. Se sapl greu.<br />
Bg*80-140cm':I:;H:ll.jfi<br />
J:Lil:'# ;i?,1'3;llll;,"#'i"llltl':",TTi";'.1<br />
Ba : s ub 1 4 0 c"''<br />
flH:'::':lll";,X11"-:i;ll'? #'H"ff ill; :ffi:"11,?l'.T",i1,1""'"<br />
Rirtdcinile pitrund pin6 la 1,20 m,foarte pulin mai jos. Aglomerarea<br />
rddd,einilor numai iu primii 30 cm.<br />
$olul excesiv <strong>de</strong> compact in B qi chiar in Ar/8, impermeabil. Primbvara'<br />
ir,pa stagneazil la suprafa!{'.<br />
Pidurea l[e.ryra;i, situat5, pe conul rle ilejec{ie Dimbovila-falomila,<br />
la 195*215 m altitudine. Apa freatici' la 9-11m.<br />
P{dure <strong>de</strong> tipul quercet amestecat,, este formatti, itin <strong>stejar</strong>' cer qi<br />
girniln. Prin fenomenele <strong>de</strong> usoare, <strong>stejar</strong>ul a pierit aproape complet gi<br />
a fost extras.<br />
Solul, format pe urr lut roqu, gretl, eu puline {ragmente <strong>de</strong> pietrig<br />
silicios md,runt, este url podzol cle <strong>de</strong>gradare, rezultat prin podzolirea<br />
203