From: Assessing the impact of eco-innovations through sustainability indicators: the case of the commercial tea plantation industry in Sri Lanka
Time (in months)
Treatment [SSTB]
Control [CCTB]
% difference
Canopy area of a bush (m2)
4
0.53
0.45
118%
6
1.80
0.73
247%
10
1.84
0.76
242%
14
1.85
0.77
240%
Ground cover (%)
45%
39%
115%
90%
40%
225%
94%
56%
168%
98%
70%
140%