Averaged over the past 20 years, NT wheat yield was 5 bu/a greater than RT.

tillage · yield · Triticum aestivum (wheat)Positive and negative results

1,115 papers in the same direction as this claim · 257 in the opposite direction · 41 reporting no difference from an alternative

1. negative
   No N application at tillering stage decreased spikes number per m2 and seeds per spike.

   Wheat yield and grain protein response to nitrogen amount and timing. · 2011

   Opposite direction

2. negative
   Grain yield under stress during tillering and jointing was 27% lower than under the nonstressed treatment I‐1.

   Winter Wheat Response to Nitrogen and Irrigation · 1988 · compared with nonstressed (I‐1)

   Opposite direction

3. negative
   NT likely decreased wheat yield.

   The impacts of conservation agriculture on crop yield in China depend on specific practices, crops and cropping regions · 2014

   Opposite direction

4. no effect
   Tillage treatments had no residual effect on subsequent sunflower and wheat yields.

   Tillage and Residue Effects on Wheat, Sorghum, and Sunflower Grown in Rotation · 1984

   Opposite direction

5. no effect
   Tillage system had no significant wheat yield effect from 1977 to 2016.

   Long-term effects of crop succession, soil tillage and climate on wheat yield and soil properties · 2019

   Opposite direction

6. no effect
   Wheat grain yield was unaffected by tillage and cover crop management.

   Crop and cattle responses to tillage systems for integrated crop–livestock production in the Southern Piedmont, USA · 2007

   Opposite direction

7. negative
   Reduced tillage decreased wheat yield by 14%.

   Tillage effects on weed communities in an organic winter wheat–sunflower–spelt cropping sequence · 2011

   Opposite direction

8. no effect
   RB had no significant effect on wheat yield.

   Yield and water productivity of maize and wheat under deficit and raised bed irrigation practices in Egypt · 2012

   Opposite direction

1,405 papers more in this group