Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth
Long-term surface application of lime (L) and/or phosphogypsum (PG) in no-till (NT) systems can improve plant growth and physiological and biochemical processes. Although numerous studies have examined the effects of L on biomass and plant growth, comprehensive evaluations of the effects of this pra...
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Frontiers Media S.A.
2021-07-01
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Online Access: | https://www.frontiersin.org/articles/10.3389/fpls.2021.650296/full |
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author | João William Bossolani Carlos Alexandre Costa Crusciol Ariani Garcia Luiz Gustavo Moretti José Roberto Portugal Vitor Alves Rodrigues Mariley de Cássia da Fonseca Juliano Carlos Calonego Eduardo Fávero Caires Telmo Jorge Carneiro Amado André Rodrigues dos Reis |
author_facet | João William Bossolani Carlos Alexandre Costa Crusciol Ariani Garcia Luiz Gustavo Moretti José Roberto Portugal Vitor Alves Rodrigues Mariley de Cássia da Fonseca Juliano Carlos Calonego Eduardo Fávero Caires Telmo Jorge Carneiro Amado André Rodrigues dos Reis |
author_sort | João William Bossolani |
collection | DOAJ |
description | Long-term surface application of lime (L) and/or phosphogypsum (PG) in no-till (NT) systems can improve plant growth and physiological and biochemical processes. Although numerous studies have examined the effects of L on biomass and plant growth, comprehensive evaluations of the effects of this practice on net CO2 assimilation, antioxidant enzyme activities and sucrose synthesis are lacking. Accordingly, this study examined the effects of long-term surface applications of L and PG on soil fertility and the resulting impacts on root growth, plant nutrition, photosynthesis, carbon and antioxidant metabolism, and grain yield (GY) of maize established in a dry winter region. At the study site, the last soil amendment occurred in 2016, with the following four treatments: control (no soil amendments), L (13 Mg ha–1), PG (10 Mg ha–1), and L and PG combined (LPG). The long-term effects of surface liming included reduced soil acidity and increased the availability of P, Ca2+, and Mg2+ throughout the soil profile. Combining L with PG strengthened these effects and also increased SO42–-S. Amendment with LPG increased root development at greater depths and improved maize plant nutrition. These combined effects increased the concentrations of photosynthetic pigments and gas exchange even under low water availability. Furthermore, the activities of Rubisco, sucrose synthase and antioxidative enzymes were improved, thereby reducing oxidative stress. These improvements in the physiological performance of maize plants led to higher GY. Overall, the findings support combining soil amendments as an important strategy to increase soil fertility and ensure crop yield in regions where periods of drought occur during the cultivation cycle. |
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last_indexed | 2024-12-16T17:53:31Z |
publishDate | 2021-07-01 |
publisher | Frontiers Media S.A. |
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series | Frontiers in Plant Science |
spelling | doaj.art-23c44456c91e496c8dd1fa465993f47f2022-12-21T22:22:14ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2021-07-011210.3389/fpls.2021.650296650296Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root GrowthJoão William Bossolani0Carlos Alexandre Costa Crusciol1Ariani Garcia2Luiz Gustavo Moretti3José Roberto Portugal4Vitor Alves Rodrigues5Mariley de Cássia da Fonseca6Juliano Carlos Calonego7Eduardo Fávero Caires8Telmo Jorge Carneiro Amado9André Rodrigues dos Reis10Department of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Crop Science, College of Agricultural Sciences, São Paulo State University, Botucatu, BrazilDepartment of Soil Science and Agricultural Engineering, State University of Ponta Grossa, Ponta Grossa, BrazilSoils Department, Center of Rural Sciences, Federal University of Santa Maria, Santa Maria, BrazilDepartment of Biosystems Engineering, School of Sciences and Engineering, São Paulo State University, Tupã, BrazilLong-term surface application of lime (L) and/or phosphogypsum (PG) in no-till (NT) systems can improve plant growth and physiological and biochemical processes. Although numerous studies have examined the effects of L on biomass and plant growth, comprehensive evaluations of the effects of this practice on net CO2 assimilation, antioxidant enzyme activities and sucrose synthesis are lacking. Accordingly, this study examined the effects of long-term surface applications of L and PG on soil fertility and the resulting impacts on root growth, plant nutrition, photosynthesis, carbon and antioxidant metabolism, and grain yield (GY) of maize established in a dry winter region. At the study site, the last soil amendment occurred in 2016, with the following four treatments: control (no soil amendments), L (13 Mg ha–1), PG (10 Mg ha–1), and L and PG combined (LPG). The long-term effects of surface liming included reduced soil acidity and increased the availability of P, Ca2+, and Mg2+ throughout the soil profile. Combining L with PG strengthened these effects and also increased SO42–-S. Amendment with LPG increased root development at greater depths and improved maize plant nutrition. These combined effects increased the concentrations of photosynthetic pigments and gas exchange even under low water availability. Furthermore, the activities of Rubisco, sucrose synthase and antioxidative enzymes were improved, thereby reducing oxidative stress. These improvements in the physiological performance of maize plants led to higher GY. Overall, the findings support combining soil amendments as an important strategy to increase soil fertility and ensure crop yield in regions where periods of drought occur during the cultivation cycle.https://www.frontiersin.org/articles/10.3389/fpls.2021.650296/fullsoil fertilitysoil amendmentsroot distributionRubiscosucrose synthaseoxidative stress |
spellingShingle | João William Bossolani Carlos Alexandre Costa Crusciol Ariani Garcia Luiz Gustavo Moretti José Roberto Portugal Vitor Alves Rodrigues Mariley de Cássia da Fonseca Juliano Carlos Calonego Eduardo Fávero Caires Telmo Jorge Carneiro Amado André Rodrigues dos Reis Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth Frontiers in Plant Science soil fertility soil amendments root distribution Rubisco sucrose synthase oxidative stress |
title | Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth |
title_full | Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth |
title_fullStr | Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth |
title_full_unstemmed | Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth |
title_short | Long-Term Lime and Phosphogypsum Amended-Soils Alleviates the Field Drought Effects on Carbon and Antioxidative Metabolism of Maize by Improving Soil Fertility and Root Growth |
title_sort | long term lime and phosphogypsum amended soils alleviates the field drought effects on carbon and antioxidative metabolism of maize by improving soil fertility and root growth |
topic | soil fertility soil amendments root distribution Rubisco sucrose synthase oxidative stress |
url | https://www.frontiersin.org/articles/10.3389/fpls.2021.650296/full |
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