Wheat yield improved with irrigation in all the varieties.

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

797 papers in the same direction as this claim · 184 in the opposite direction · 7 reporting no difference from an alternative

1. negative
   Minimum irrigation lowered average winter wheat yield by 14% versus full irrigation.

   Performance of Double‐Cropped Winter Wheat–Summer Maize under Minimum Irrigation in the North China Plain · 2006 · compared with fully irrigated treatment (FI)

   Opposite direction

2. no effect
   Moderately saline water substituted for good quality water during part of the season maintained total wheat grain yield.

   Time of Salt Stress Affects Growth and Yield Components of Irrigated Wheat · 1994 · compared with good quality water

   Opposite direction

3. negative
   Saline irrigation caused soil salinization and reduced wheat growth and yield.

   Effect of Straw Biochar on Soil Properties and Wheat Production under Saline Water Irrigation · 2019

   Opposite direction

4. negative
   Deficit irrigation in salt-affected soil reduced wheat productivity.

   Collaborative Impact of Compost and Beneficial Rhizobacteria on Soil Properties, Physiological Attributes, and Productivity of Wheat Subjected to Deficit Irrigation in Salt Affected Soil · 2022

   Opposite direction

5. negative
   Wastewater irrigation decreased plant height, leaf area and grain yield in wheat.

   Effect of Wastewater Irrigation on Photosynthesis, Growth, and Anatomical Features of Two Wheat Cultivars (Triticum aestivum L.) · 2020

   Opposite direction

6. no effect
   An additional 33 mm of irrigation did not increase grain yield.

   Source–sink balance and manipulating sink–source relations of wheat indicate that the yield potential of wheat is sink-limited in high-rainfall zones · 2010

   Opposite direction

7. no effect
   DI water saving had no effect on wheat yield.

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

   Opposite direction

8. negative
   Limited irrigation yielded 99% of full irrigation for winter wheat.

   Cropping Systems for Stretching Limited Irrigation Supplies · 1993 · compared with fully irrigated

   Opposite direction

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