Short‐term responses of soils and crops to gypsum application on organic farms

Fleuridor, Louceline; Herms, Catherine P.; Culman, Steven W.; Dick, Warren A.; Paul, Pierce A.; Doohan, Douglas

doi:10.1002/agj2.20669

Cited by 6 publications

(5 citation statements)

References 39 publications

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“…While a limited number of responsive sites measured grain S concentrations, no strong correlation was found between these two variables. This is not uncommon in this region as previous studies have reported no consistent grain yield response to an increase in grain S concentrations (Chen et al., 2008; Fleuridor et al., 2021). However, when both leaf and grain S increased, a yield response was observed, specifically in corn.…”

Section: Resultsmentioning

confidence: 72%

“…Historically, S tissue analysis has been considered a better predictor compared to soil nutrient availability but the mid-season tissue analyses often limit the effectiveness of soil-applied fertilizer to prevent yield losses (Eriksen, 2015). Corn ear leaf response to S fertilization has been previously reported in a number of studies (Chaganti et al, 2019;Fleuridor et al, 2021;Gaibor, 2021;Sutradhar et al, 2017) but does not consistently correlate with grain yield increase.…”

Section: Evaluation Of Diagnostic Indicators Of Sulfur Responsementioning

confidence: 99%

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Ohio grain crop response to sulfur fertilization

et al. 2023

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Continuous declines in atmospheric sulfur (S) deposition along with increased S removal rates with crop harvest has the potential to lead to S deficiency in Ohio field crops. As a result, S fertilization has become more common over the past decade.However, the extent of S deficiency is unknown, as inherent soil properties and management practices influence S availability and uptake. We conducted 96 replicated trials, from 2013 to 2021 to (1) examine the response of corn (Zea mays L.), soybean [Glycine max (L.) Merr], and wheat (Triticum aestivum L.) to S application on a wide range of Ohio soils and differing management practices and (2) determine the ability of Mehlich-3 extractable S in soil, leaf S, and grain S concentrations to predict grain yield response to S fertilizer. Our results showed limited grain yield increases to S fertilization with an overall response rate of 7.3% (4 of 50 corn trials, 3 of 34 soybean trials, and 0 of 12 wheat trials). Sulfur fertilization increased leaf and grain S concentrations by 19.4% and 12% in corn, by 22.2% and 7.7% in soybean, and by 41.7% and 0% in wheat, respectively. These increases in leaf or grain S concentrations were not directly related to yield responses. Diagnostic tools of Mehlich-3 soil S, leaf S, and grain S concentrations failed to predict yield response to S. We conclude that S deficiency is not widespread in Ohio soils and that optimizing grain crop production does not currently require S fertilization. INTRODUCTIONSulfur (S) is essential for numerous plant processes but has not been traditionally applied to agricultural soils in the Midwest (Dick et al., 2008). Historically, relatively large rates of S were supplied from atmospheric deposition in readily available forms for plant absorption (Dick et al., 2008

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Section: Resultsmentioning

confidence: 72%

Section: Evaluation Of Diagnostic Indicators Of Sulfur Responsementioning

confidence: 99%

Ohio grain crop response to sulfur fertilization

et al. 2023

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“…In 2016, corn yield was highest in the unamended control soils compared to soils receiving amendments (Table 3), which might be due to agricultural practices as corn plots were frequently hand‐weeded that year (data not shown). Previous studies have reported no effect on corn yield when applying similar annual rates of gypsum in Ohio soils (Chaganti et al., 2021, 2019; Fleuridor et al., 2021). Average corn yield, across amendments, ranged between 66 and 77 bu ac −1 for the first 2 yr and increased from 127 to 175 bu ac −1 for the following 4 yr.…”

Section: Resultsmentioning

confidence: 87%

“…All amendments significantly increased soil extractable S (Table 2). Gypsum and epsom typically increase soil extractable S levels when applied (Chaganti et al., 2019; Dick et al., 2008; Fleuridor et al., 2021). Regarding base saturation (BS), gypsum and gypsum+Hi‐Cal lime amendments significantly increased Ca BS, whereas epsom and epsom+dolomite amendments significantly decreased Ca BS relative to the non‐amended control (Table 2).…”

Section: Resultsmentioning

confidence: 99%

Managing soil acidity vs. soil Ca:Mg ratio: What is more important for crop productivity?

Soto

Culman

Herms

et al. 2023

Crop Forage & Turfgrass Mgmt

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Soil balancing (SB), or base cation saturation ratio (BCSR), is a soil management approach that strives to maintain specific soil calcium (Ca) and magnesium (Mg) levels to improve soil health, decrease pest problems, have better crops, and increase crop yield. To achieve ideal levels of Ca to Mg, BCSR practitioners apply gypsum (calcium sulfate) and high‐calcium lime (Hi‐Cal lime) amendments, with the former increasing Ca base saturation and the later increasing both Ca base saturation and soil pH. We hypothesized that positive benefits ascribed by BCSR practitioners are due to increasing soil pH, rather than increasing Ca levels, both of which occur after lime application. Thus, we conducted successive applications of gypsum or epsom (magnesium sulfate) with and without Hi‐Cal or dolomitic lime, to either increase or lower soil Ca:Mg ratio and pH in an Ohio‐based experiment over 6 yr and evaluated soil and yield responses in a corn (Zea mays L.)–soybean (Glycine max L.)–small grain rotation. Repeated applications of gypsum with and without Hi‐Cal lime significantly increased soil Ca:Mg ratio and repeated applications of epsom with and without dolomitic lime significantly decreased the soil Ca:Mg ratio. Crop yield was not affected by soil Ca:Mg ratio for any crop in any year. However, over the 6 yr of the study, corn yields were positively related to increases in soil pH. We conclude that balancing soil Ca and Mg levels did not impact corn or soybean yields but managing soil acidity remains a fundamental tool to improve crop yields.

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“…The authors found (i) no synergic effect of gypsum and lime on soil chemical properties, crop yield, and most leaf-tissue macronutrients; (ii) yield increments were minor for cereals (4%) than for soybean (14%) and were limited to just 25% of cereal crop seasons, and 40% for soybean; (iii) in the short term, gypsum raised more the exchangeable calcium content to 0.6 m soil depth than lime, but the latter presented more reductions in the soil acidity and extended residual effect (improved soil conditions for extended period), and (iv) the lime application to the soil surface under no-tillage lowered the subsoil acidity up to 0.6 m in the first year after its application, and improved soybean grain yield. Fleuridor et al (2021) indicated no yield improvements for maize, alfalfa (Medicago sativa), or alfalfa-mixed grasses after two years of gypsum application. However, gypsum consistently increased sulfur concentrations in soil and crop tissues as soon as five months after each gypsum application.…”

Section: Gypsum To Grains Cropsmentioning

confidence: 99%

Phenotypic Correlations Between Linear Traits and Growth Curves of Holstein Calves

Cardoso,

Hartmann

2024

Agricultural Sciences Unveiled: Exploring the Dynamics of Farming and Sustainability

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Atena Editora declares, for all legal purposes, that: 1. This publication constitutes only a temporary transfer of copyright, right to publication, and does not constitute joint and several liability in the creation of published manuscripts, under the terms provided for in the Law on Rights copyright (Law 9610/98), in art. 184 of the Penal Code and in art. 927 of the Civil Code; 2. Authorizes and encourages authors to sign contracts with institutional repositories, with the exclusive purpose of disseminating the work, provided that with due acknowledgment of authorship and editing and without any commercial purpose; 3. All e-books are open access, so it does not sell them on its website, partner sites, e-commerce platforms, or any other virtual or physical means, therefore, it is exempt from copyright transfers to authors; 4. All members of the editorial board are PhDs and linked to public higher education institutions, as recommended by CAPES for obtaining the Qualis book; 5. It does not transfer, commercialize or authorize the use of the authors' names and e-mails, as well as any other data from them, for any purpose other than the scope of dissemination of this work. PRESENTATIONCollection "Agricultural sciences unveiled: exploring the dynamics of farming and sustainability": a work that has as its main focus a scientific discussion through various works that compose its chapters. The purpose of the Ebook is to explore different contents linked to environmental issues in 19 chapters, tracing a contemporary theme of sustainability and the direct action of human beings in the responsibility and creation of strategies for the development of the environment. The volume will address in a categorized and interdisciplinary way works, investigations, case reports and/or reviews that go through the various areas of the environment and sustainability.It is worth mentioning that sustainability is tied to the growing demand for global progress, with the emergence of the need to expand studies that present alternative uses of the present resources in the environment in a responsible manner, without compromising the benefits and systems involved. Seeking to minimize impacts, develop environmental responsibility and strengthen sustainable growth. Thinking about development allied to sustainability involves economic, social, and cultural aspects.In this way, the work "Agricultural sciences unveiled: exploring the dynamics of farming and sustainability"" presents the foundation of the theory obtained in practice by the authors of this e-book, several professors, academics, and researchers who have arduously developed their work that will be presented here in a manner concise and didactic. The importance of this space for scientific dissemination is evidence or commitment and the structure of Atena Editors that provides us with a consolidated and trustworthy platform for researchers to expose and disseminate their results.The authors hope to contribute with relevant content to provide technical, scientific, and constructive ass...

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Short‐term responses of soils and crops to gypsum application on organic farms

Cited by 6 publications

References 39 publications

Ohio grain crop response to sulfur fertilization

Ohio grain crop response to sulfur fertilization

Managing soil acidity vs. soil Ca:Mg ratio: What is more important for crop productivity?

Phenotypic Correlations Between Linear Traits and Growth Curves of Holstein Calves

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