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Research, Policy and Practice

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Table 2 Mean difference value of parameters between before and after the control actions

From: Control of bush encroachment in Borana zone of southern Ethiopia: effects of different control techniques on rangeland vegetation and tick populations

Parameters Mean differences across treatments Overall mean difference
1 2 3 4 5
Basal cover (%) 13.3a 10.3a 20a 16.6a 19.4a 15.9a
Litter cover (%) 6.4a 4.7a 18.7a 7.6a 4.6a 8.4a
Soil erosion (%) 2.4b 3.0b 5.7b 4.0b 1.4b 3.3b
Soil compaction (%) 9.7b 12.3b 7.3b 11.7b 3b 8.8b
Number of nymph-stage tick/ha 15,000b 7,222.2b 10,555.5b 12,777.8b 6,666.7b 10,444.5b
Number of adult-stage tick/ha 1,666.6b 2,222.2b 1,111.1b 2,777.8b 1,111.1a 1,333.3b
  1. Key: aIncreased mean value when after treatment application mean value was subtracted from before treatment application mean value. bDecreased mean value when after treatment application mean value was subtracted from before treatment application mean value.