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Protocol o<br />

347<br />

348<br />

349<br />

350<br />

PERFIL N? 16 FOLHA SA.23-Z-C<br />

LOCAL: Estado do Maranhâo, a 3 km na estrada Vitória do Mearim—Santa Inês, lado direito.<br />

CLASSIFICAÇÂO: Laterita Hidromórfica de terrenos elevados.<br />

Ca* Mg +<br />

0,75<br />

0,79<br />

0,16<br />

0,16<br />

pH<br />

H2O KCI<br />

4,7<br />

4,6<br />

4,5<br />

4,3<br />

Prof.<br />

cm<br />

0-15<br />

15-40<br />

40-55<br />

55-90<br />

1,11<br />

1,23<br />

2,10<br />

3,48<br />

3,5<br />

3,5<br />

3,4<br />

3,3<br />

Horiz.<br />

K +<br />

Cal hau<br />

>20mm<br />

ANÂLISE: IDESP<br />

Ap<br />

A2<br />

B21pl<br />

B22pl<br />

SiO2<br />

%<br />

AI2O3<br />

3,44<br />

5,10<br />

14,15<br />

14,15<br />

Fe2O3<br />

1,94<br />

2,52<br />

5,04<br />

6,01<br />

COMPLEXO SORTIVO mE/100g<br />

Na*<br />

Cascalho<br />

20-2mm<br />

3,28<br />

3,40<br />

6,79<br />

7,79<br />

Ki<br />

Kr<br />

1.15<br />

2,30<br />

4,60<br />

6,14<br />

C<br />

0,93<br />

0,90<br />

0,54<br />

0,47<br />

COMPOSIÇAO GRANULOMÉTRICA %<br />

Areia<br />

grossa<br />

35<br />

37<br />

14<br />

6<br />

Areia<br />

fina<br />

22<br />

21<br />

Ml/64<br />

7<br />

6<br />

Silte<br />

23<br />

27<br />

37<br />

43<br />

%<br />

Argila<br />

total<br />

10<br />

15<br />

42<br />

45<br />

N<br />

0,04<br />

0,06<br />

0,05<br />

0,04<br />

Argila<br />

nat.<br />

1<br />

2<br />

4<br />

7<br />

N<br />

13<br />

16<br />

11<br />

13<br />

100 Al<br />

Al+S<br />

0,25<br />

0,25<br />

0,12<br />

0,12<br />

Grau de<br />

floculaçào<br />

90<br />

87<br />

91<br />

85

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