THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH
The majority of soils in the Amazon savannah have low natural fertility, with issues of high acidity and high Al3+ saturation that restricts root growth. Lime is an alternative for soil correction, but its effects are limited to the soil surface. In contrast, gypsum acts in the subsurface, reducing...
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Universidade Estadual de Mato Grosso do Sul
2025-02-01
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| Series: | Revista de Agricultura Neotropical |
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| Online Access: | https://periodicosonline.uems.br/index.php/agrineo/article/view/8961 |
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| author | Eduardo Medeiros de Oliveira Gabriele Medeiros Hermógenes Sandra Cátia Pereira Uchoa José Maria Arcanjo Alves Glauber Ferreira Barreto Carlos Enrique Canche Iuit Silvino Guimarães Moreira |
| author_facet | Eduardo Medeiros de Oliveira Gabriele Medeiros Hermógenes Sandra Cátia Pereira Uchoa José Maria Arcanjo Alves Glauber Ferreira Barreto Carlos Enrique Canche Iuit Silvino Guimarães Moreira |
| author_sort | Eduardo Medeiros de Oliveira |
| collection | DOAJ |
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The majority of soils in the Amazon savannah have low natural fertility, with issues of high acidity and high Al3+ saturation that restricts root growth. Lime is an alternative for soil correction, but its effects are limited to the soil surface. In contrast, gypsum acts in the subsurface, reducing the activity of Al3+. This study aimed to assess the impact of different surface gypsum rates on the distribution of the root system, soybean nutrition, and the chemical improvement of Xanthic Haplustox in the Amazon savannah. A study evaluated the effects of different gypsum rates (0, 1.5, 3, 6, and 12 t ha-1) on the BRS 8381 soybean cultivar in a no-till system. Leaf analyses were performed to determine nutrient contents and vegetative production analyses were conducted. Trenches were also opened to analyze the root system visually. The application of gypsum increased the foliar contents of nitrogen, sulfur, and zinc while decreasing magnesium in soybeans. Although it did not affect grain yield, it improved the chemical environment, particularly during periods of water deficit, by enhancing the distribution of the soybean root system in Xanthic Haplustox in the Amazon savannah.
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| format | Article |
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| institution | OA Journals |
| issn | 2358-6303 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Universidade Estadual de Mato Grosso do Sul |
| record_format | Article |
| series | Revista de Agricultura Neotropical |
| spelling | doaj-art-fd69a625839746a09597df12f3e7394a2025-08-20T02:13:55ZengUniversidade Estadual de Mato Grosso do SulRevista de Agricultura Neotropical2358-63032025-02-0112110.32404/rean.v12i1.8961THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH Eduardo Medeiros de Oliveira0https://orcid.org/0000-0003-4904-7814Gabriele Medeiros Hermógenes1https://orcid.org/0000-0003-4624-189XSandra Cátia Pereira Uchoa2https://orcid.org/0000-0003-4224-070XJosé Maria Arcanjo Alves3https://orcid.org/0000-0002-8790-6838Glauber Ferreira Barreto4https://orcid.org/0000-0003-2976-981XCarlos Enrique Canche Iuit5https://orcid.org/0000-0002-7544-8702Silvino Guimarães Moreira6https://orcid.org/0000-0002-3631-0305Universidade Federal de LavrasUniversidade Federal de LavrasUniversidade Federal de RoraimaUniversidade Federal de RoraimaUniversidade Federal de RoraimaUniversidade Federal de RoraimaUniversidade Federal de Lavras The majority of soils in the Amazon savannah have low natural fertility, with issues of high acidity and high Al3+ saturation that restricts root growth. Lime is an alternative for soil correction, but its effects are limited to the soil surface. In contrast, gypsum acts in the subsurface, reducing the activity of Al3+. This study aimed to assess the impact of different surface gypsum rates on the distribution of the root system, soybean nutrition, and the chemical improvement of Xanthic Haplustox in the Amazon savannah. A study evaluated the effects of different gypsum rates (0, 1.5, 3, 6, and 12 t ha-1) on the BRS 8381 soybean cultivar in a no-till system. Leaf analyses were performed to determine nutrient contents and vegetative production analyses were conducted. Trenches were also opened to analyze the root system visually. The application of gypsum increased the foliar contents of nitrogen, sulfur, and zinc while decreasing magnesium in soybeans. Although it did not affect grain yield, it improved the chemical environment, particularly during periods of water deficit, by enhancing the distribution of the soybean root system in Xanthic Haplustox in the Amazon savannah. https://periodicosonline.uems.br/index.php/agrineo/article/view/8961Glycine max (L.) MerrillRoot analysisTropical soils |
| spellingShingle | Eduardo Medeiros de Oliveira Gabriele Medeiros Hermógenes Sandra Cátia Pereira Uchoa José Maria Arcanjo Alves Glauber Ferreira Barreto Carlos Enrique Canche Iuit Silvino Guimarães Moreira THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH Revista de Agricultura Neotropical Glycine max (L.) Merrill Root analysis Tropical soils |
| title | THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH |
| title_full | THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH |
| title_fullStr | THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH |
| title_full_unstemmed | THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH |
| title_short | THE EFFECTS OF GYPSUM ON THE CHEMICAL PROPERTIES OF OXISOL IN THE AMAZON SAVANNAH |
| title_sort | effects of gypsum on the chemical properties of oxisol in the amazon savannah |
| topic | Glycine max (L.) Merrill Root analysis Tropical soils |
| url | https://periodicosonline.uems.br/index.php/agrineo/article/view/8961 |
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