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PEHFIL: 36<br />

CLASSIFICAÇÂO: TERRA ROXA LÉGITIMA.<br />

Amostra<br />

de lab.<br />

30.578<br />

C<br />

.579<br />

580<br />

581<br />

0,94<br />

0,75<br />

0,63<br />

0,44<br />

HORIZONTE<br />

Sfmbolo<br />

A3<br />

Bn<br />

Ö22<br />

N<br />

0,08<br />

0,06<br />

0,06<br />

0,04<br />

Profund,<br />

(cm)<br />

0-40<br />

40- 65<br />

65- 90<br />

90-120 +<br />

C<br />

N<br />

11,8<br />

12,5<br />

10,5<br />

11,0<br />

Na amostra sêca ao ar (%)•<br />

Calhaus<br />

> 20mm<br />

0<br />

0<br />

0<br />

0'<br />

1,2<br />

1,1<br />

1,5<br />

4,0<br />

MuNicfpio: Miguelópolis<br />

LOCAL: A 1 km de Miguelópolis, na estrada para<br />

Guafra.<br />

Cascalho Terra Fi-<br />

20-2 mm na < 2 mm<br />

98,8<br />

98,9<br />

98,5<br />

96;o<br />

MASSA ESPECÎFICA<br />

Aparente<br />

Composiçâo Granulométrica. (%)<br />

(Dispersào com NaOH)<br />

Areia<br />

grossa<br />

7,0<br />

5,9<br />

6,7<br />

6,4<br />

Areia<br />

fina<br />

14,4<br />

15,3<br />

13,8<br />

15,5<br />

Silte<br />

16,9<br />

17,5<br />

17,4<br />

17,7<br />

1,36<br />

1,31<br />

1,32<br />

' 1,33<br />

Argila<br />

61,7<br />

61,3<br />

62,1<br />

60,4<br />

Real<br />

2,92<br />

3,00<br />

2,99<br />

2,93<br />

Argila<br />

natural<br />

0,3<br />

0,1<br />

0,2<br />

5,2<br />

Ägua<br />

5,1<br />

5,3<br />

5,7<br />

5,8<br />

Grau de<br />

floculaçâo<br />

RELAÇÀO TEXTURAL: 1 (Média das % argila dos subhoriz. do B (exclusive B3)<br />

(Média das % argila do3 subhoriz. do A).<br />

SiO2<br />

14,63<br />

14,62<br />

ATA QUE POR H2SO4 d = 1,47 (%)<br />

.14,61 '<br />

14,36<br />

Ca ++<br />

0,51<br />

0,32<br />

0,34<br />

0,38<br />

A12O3<br />

26,45<br />

26,77<br />

27,10<br />

27,60<br />

Mg++<br />

0,31<br />

0,17<br />

0,20<br />

0,15<br />

Fe2O3<br />

25,52<br />

25,66<br />

25,74<br />

26,25<br />

TiO2<br />

4,47<br />

4,39.<br />

4,56<br />

4,74<br />

P2O5<br />

0,19<br />

0,17<br />

0,15<br />

0,14<br />

COMPLEXO SORTIVO (mE/100 g)<br />

K +<br />

0,04<br />

0,03<br />

0,04<br />

0,03<br />

Na+<br />

0,04<br />

. 0,02<br />

0,05<br />

0,02<br />

S<br />

0,90<br />

0,54<br />

0,63<br />

0,58<br />

Ki<br />

0,94<br />

0,93<br />

0,92<br />

0,88<br />

Kr<br />

H + + A1+++<br />

4,91<br />

4,16<br />

3,59<br />

2,38<br />

0,58<br />

0,58<br />

0,57<br />

0,55<br />

AI2O3<br />

Fe2O3<br />

1,63<br />

T<br />

1,63<br />

1,56<br />

1,60<br />

5,81<br />

4,70<br />

4,22<br />

2,96<br />

100<br />

100<br />

100<br />

91<br />

pH<br />

P2O5<br />

(Truog)<br />

mg/100g<br />

140

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