Investigation of Soil Physiochemical Properties Effects on Soil Compaction for a Long Year Tilled Farmland
Table 1
Soil compaction correlation of within Bishoftu experimental field sites.
BA
BB
BC
BD
BE
BF
BG
BH
BI
BJ
BK
BL
BM
BN
BO
BA
1
BB
0.385
1
BC
0.514
0.288
1
BD
0.800
0.078
0.724
1
BE
0.570
0.258
0.146
0.073
1
BF
0.561
−0.266
0.567
0.537
0.641
1
BG
0.302
−0.529
0.336
0.311
0.556
0.944
1
BH
0.780
−0.123
0.711
0.869
0.423
0.883
0.729
1
BI
0.421
0.219
−0.005
−0.111
0.983
0.545
0.507
0.266
1
BJ
0.715
0.110
0.266
0.325
0.953
0.799
0.699
0.658
0.895
1
BK
0.284
−0.097
0.086
−0.087
0.907
0.737
0.768
0.388
0.923
0.870
1
BL
0.980
0.256
0.389
0.732
0.652
0.621
0.408
0.783
0.519
0.800
0.402
1
BM
0.467
0.134
0.026
−0.032
0.987
0.628
0.595
0.360
0.992
0.934
0.944
0.575
1
BN
0.605
0.444
0.162
0.069
0.979
0.520
0.391
0.349
0.959
0.903
0.815
0.657
0.945
1
BO
0.454
−0.509
0.369
0.481
0.530
0.957
0.975
0.834
0.453
0.721
0.685
0.554
0.554
0.373
1
At the 0.05 level (2-tailed), the correlation is significant; at the 0.01 level, correlation is significant (2-tailed), “B” in first latter indicate Bishoftu farm site; A to O letters next to Bishoftu indicates sampling point in field; PC, personal correlation.