Bi

Diameter ring Tinggi ring Berat tanah total

KA sub Cawan Cawan+BB sub Cawan+BK sub

8,8 cm 7,92 790,36 22,6 13 2,6

Ka = MAMP

= (22,6−13)(13−2,6)

=0,9

Vt = 14

X 3,14X 8,82 X 7,92 = 481,2

BI = mpvt

= berat total1+KAVT

= 790,361+0,9481,2

= 0,86

BJ

Berat labu (a) Labu+tanah oven (b) Labu+tanah oven+ air 100ml (c)60,3 71,0 165,0

BJ = mpvp

= b−a

100−(c−b) =

71−60,3100−(165−71)

= 1,78

Porositas = 1- (BIBJ

) X 100% = = 1- (0,861,78

) X 100% = 50%