Before revision: In a low phosphorus site, yield was 43.5 bu / a in strip-till compared to 41.5 bu/a in a no-till system.
After revision: In a low phosphorus site, yield was 43.5 bushels / acre (2,925.5 kg/hectare)(2,791 kg/ha) in strip-till compared to 41.5 bu/a in a no-till system.