Foliar P + K + B produced more spikelets per spike.

boron atom · yield · Triticum aestivum (wheat)Results differ

61 papers in the same direction as this claim · 12 in the opposite direction · 2 reporting no difference from an alternative

1. positive
   Under field drought, foliar boron increased grain yield by 19%.

   Alleviation of drought stress in winter wheat by late foliar application of zinc, boron, and manganese · 2012

   Same directionCited by this paper

2. positive
   Foliar zinc and boron significantly increased spikes per area, grains per spike and thousand grain weight compared with controls.

   Enhancement of wheat grain yield and yield components through foliar application of zinc and boron. · 2009 · compared with both control treatments

   Same directionCited by this paper

3. positive
   Boron application increased spike length over control, ranging from 14.87 to 17.40 cm.

   RESPONSE OF WHEAT TO EXOGENOUS BORON SUPPLY AT VARIOUS GROWTH STAGES · 2012 · compared with control

   Same directionCited by this paper

4. negative
   Boron decreased wheat dry matter production, grain yield, and root length.

   The effects of salt and boron on growth of wheat · 1992

   Opposite direction

5. negative
   At higher B application levels the grain yields of the wheat cultivars decreased.

   Effects of Boron Fertilization on the Yield and Some Yield Components of Bread and Durum Wheat · 2003

   Opposite direction

6. no effect
   Boron application had no significant effect on wheat yields regardless of soil or production site.

   Boron and zinc fertilizer applications are essential in emerging vegetable‐based crop rotations in Nepal · 2020

   Opposite direction

7. no effect
   Nano boron treatment did not significantly affect wheat thousand-grain number or weight.

   Effect of Spraying Nano Fertilizers of Potassium and Boron on Growth and Yield of Wheat (Triticum aestivum L.) · 2020

   Opposite direction

8. no effect
   Boron did not significantly influence wheat growth and yield.

   Effect of sulphur and micronutrients on growth, nutrient content and yield of wheat (Triticum aestivum L.). · 2000

   Opposite direction

67 papers more in this group

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

2 papers in the same direction as this claim · 1 in the opposite direction

1. negative
   Macronutrient replacement significantly decreased 1000-kernel weight by 3.7–13.1% in each block.

   Efficiency of partial replacement of macro fertilisers with nano chelates for spring wheat · 2024

   Opposite direction

2. positive
   Increasing macronutrient concentration from 0.04 to 0.2 × HS significantly improved wheat growth or yield.

   Interactive effects of salinity and macronutrient level on wheat. II. Composition · 1997 · compared with 0.04

   Same direction

3. positive
   Residue application and balanced fertilization improved wheat yield components.

   Potassium management and residue recycling effects on wheat (Triticum aestivum) under maize (Zea mays) – wheat rotation · 2022

   Same direction

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

523 papers in the same direction as this claim · 43 in the opposite direction · 5 reporting no difference from an alternative

1. negative
   Low phosphorus stress reduced tiller number in Kenong 199 wheat.

   Transcriptome analysis of axillary buds in low phosphorus stress and functional analysis of TaWRKY74s in wheat · 2024

   Opposite direction

2. negative
   RAC875 had higher grain yield than Wyalkatchem at maturity under low phosphorus.

   Variation in root system architecture and morphology of two wheat genotypes is a predictor of their tolerance to phosphorus deficiency · 2019

   Opposite directionAbout lacking this nutrient, so it counts the other way round

3. no effect
   Neither nitrogen nor phosphorus produced a significant grain yield response.

   Water use, growth and yield of wheat in a subtropical environment · 1980

   Opposite direction

4. no effect
   Nano-N with 75% conventional N gave wheat and maize grain yield at par with full conventional fertilizer.

   Changes in microbial community structure and yield responses with the use of nano-fertilizers of nitrogen and zinc in wheat–maize system · 2024 · compared with N 100 PK

   Opposite direction

5. no effect
   Incorporating P and K into the subsoil did not further change wheat yield.

   The effects of subsoiling and deep incorporation of P and K fertilizers on the yield and nutrient uptake of barley, potatoes, wheat and sugar beet grown in rotation · 1979

   Opposite direction

6. no effect
   Applications of multiple nutrients did not significantly increase wheat yield.

   Evidence for the involvement of the root lesion nematode Pratylenchus thornei in wheat yield decline in northern New South Wales · 1987

   Opposite direction

7. no effect
   Nitrogen and phosphorus fertilization did not significantly influence kernels per head or kernel weight.

   Adventitious Roots, Tillers, and Grain Yields of Spring Wheat as Influenced by N‐P Fertilization¹ · 1970

   Opposite direction

8. no effect
   Later phosphorus availability did not significantly increase mature root dry matter.

   Dry Matter Production in Tops and Roots of Winter Wheat as Affected by Phosphorus Availability During Various Growth Stages¹ · 1983

   Opposite direction

563 papers more in this group