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Table 3 Some benefits of eliminating chemical weeding on SSTB

From: Assessing the impact of eco-innovations through sustainability indicators: the case of the commercial tea plantation industry in Sri Lanka

Aspects Quantification of the impact
Reduction of the exposure of sprayers to chemical weeding 12 man days of chemical weeding per hectare [Note]
Use of weedicide chemicals
 - Diuron 3.6/kg per hectare * 3 rounds
 - Glufocinate Ammonium 4.5/l per hectare *3 rounds
  1. This was calculated as 4 man days of sprayers per hectare per round of chemical weeding* 3 rounds during the period