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. 2020 Nov 2;10:18818. doi: 10.1038/s41598-020-75911-y

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Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Grain yield responses of wheat, pea and canola to Cu, Zn, and B fertilization, respectively. Different micronutrient products and application methods are evaluated in five contrasting prairie soils. The soils are classified as (1) Whitewood O.DGC, (2) Echo B.SS, (3) Whitefox O.DGC, (4) Sceptre O.V, (5) Ukalta series, O.BC. Treatment evaluation includes T₁: control; T₂: soil application (sulfate salt); T₃: soil application (chelated product) and T₄: foliar application (chelated product) of Cu and Zn for wheat and pea, respectively. For canola, the treatments of B are tested as- T₁: control; T₂: soil application; T₃: foliar application (one time) and T₄: foliar application (two times) using boric acid. Treatment columns in each crop followed by the different letters are significantly different (p < 0.05). Error bar represents standard error of mean.