Herbicides did not affect kernels per spike, kernel weight or volume weight either year.

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

97 papers in the same direction as this claim · 465 in the opposite direction

1. positive
   Herbicide treatments other than pre-emergence triasulfuron increased wheat grain yield.

   Sulfonylurea Herbicides Affect Hard Red Winter Wheat (Triticum aestivum) Forage and Grain Yield · 1996

   Opposite directionCites this paper

2. no effect
   Herbicides across application timings did not significantly reduce winter wheat yield.

   Urea Ammonium Nitrate as the Carrier for Herbicides in Winter Wheat · 2012

   Same directionCites this paper

3. positive
   At high weed pressure, mechanical control increased yield compared with untreated plots.

   The effect of sowing date, stale seedbed, row width and mechanical weed control on weeds and yields of organic winter wheat · 2004 · compared with untreated

   Opposite direction

4. positive
   Strict summer weed control produced high investment returns, ranging 6–1328%.

   Re-evaluating the contribution of summer fallow rain to wheat yield in southern Australia · 2011

   Opposite direction

5. positive
   Conservation tillage wheat yield increased under moderate and maximum weed management versus minimum.

   Tillage and Weed Management Affects Winter Wheat Yield in an Integrated Pest Management System · 1994 · compared with minimum level

   Opposite direction

6. positive
   Half and full herbicide doses often gave similar crop yield.

   Combining agronomic practices and herbicides improves weed management in wheat–canola rotations within zero-tillage production systems · 2005 · compared with 100% doses

   Opposite direction

7. positive
   Herbicide-treated pasture plots gave higher wheat grain yield, 2.2 t/ha, than untreated plots, 1.2 t/ha, in the field experiment.

   Reduction of Rhizoctonia root rot of direct-drilled wheat by short-term chemical fallow · 1987 · compared with untreated plots

   Opposite direction

8. positive
   Weed free plots had more ear bearing tillers and grains per ear than unweeded controls.

   Effect of weed competition on growth, nutrient uptake and yield of wheat as affected by irrigation and fertilizers · 1999 · compared with unweeded control treatment

   Opposite direction

554 papers more in this group