ditch [Noun] + irrigation [Noun]

Strength Strength Dispersion
A:
6
CHISQ:
597.71
AWT:
38,719,485
TTEST:
2.43
G2:
53.07
FAWT:
1.4
MI:
6.67
LOGLOG:
17.23
JD:
0.48
MI3:
11.84
DICE:
1.12
RANGE: