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Table 7 Effect of bio-slurry application on crop yield and uptake of chemical fertilizer (t-value in parentheses)

From: Returns, setbacks, and future prospects of bio-energy promotion in northern Ethiopia: the case of family-sized biogas energy

Matching method Treated observation Control observation Crop yield (ATT) Chemical fertilizer uptake (ATT)
Nearest neighbor 50 25 1.7 (1.5) − 0.34 (0.6)
Radius 47 71 1.46 (1.87)* − 0.22 (1.256)
Kernel 50 71 1.56 (1.9)* − 0.28 (1.6)
Stratification 50 71 1.06 (1.24) −0.255 (1.96)
  1. *Denotes values significant at 10%