Gesso agrícola e rendimento de grãos de soja na região do sudoeste de Goiás

Neis, Lucimeire; Paulino, Helder Barbosa; Souza, Edicarlos Damacena de; Reis, Edésio Fialho dos; Pinto, Flávio Araújo

doi:10.1590/s0100-06832010000200014

Cited by 31 publications

(28 citation statements)

References 5 publications

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“…Similar results were found in studies by Caires et al (1999), Neis et al (2010), Caires, Joris and Churka (2011), Rampim et al (2011), Moda et al (2013), and Pauletti et al (2014). Interaction between gypsum and phosphorous was not observed in the macro and micronutrients contents for the corn crop (Table 5).…”

Section: Resultssupporting

confidence: 88%

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Gypsum and Phosphorus in Improving Biometric and Nutritional Attributes of Soybean/Second Season Corn Succession

et al. 2018

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-The objective with this work was to evaluate the effect of the agricultural gypsum, associated with phosphate fertilization, on the nutrition, development and yield of soybean and corn in succession, under no-tillage system. The experiment was conducted at Universidade Federal de Goiás, Regional Jataí, in a randomized blocks design 5x3 factorial arrangement, with 4 replicates. The first factor consisted of the gypsum doses (0, 1, 2, 4 and 8 Mg ha-1) and the second the phosphorus doses (0, 50 and 100% of the recommended dose). Leaf nutrient contents, leaf area index, SPAD index, dry plant mass, final plant population, one thousand grain mass and grain yield were evaluated in the crops. In the soybean, the number of pods was also obtained and in the corn the average ear length, number of rows per ear, number of grain per ear and number of ears. Phosphorus doses increase leaf Mg contents in soybean and corn. The application of gypsum reduces the Mg and K leaf contents and increases the Ca, S, and Mn contents in the two cultures. Gypsum provides increases in the SPAD index in soybean plants. The unbalance of the N / K ratio in corn leaves, provided by the increase of the gypsum doses, reduces the leaf area of this crop. Doses of P and gypsum do not influence the yield of soybeans and maize.

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Section: Resultssupporting

confidence: 88%

“…However, increases in corn yield by using gypsum without water deficit were observed in studies by and Zandoná et al (2015). Nevertheless, several studies did not indicate responses to gypsum applied in soybeans (CAIRES et al, 1998;2003;NEIS et al, 2010;RAMPIM et al, 2011;MODA et al, 2013).…”

Section: Introductionmentioning

confidence: 96%

Gypsum and Phosphorus in Improving Biometric and Nutritional Attributes of Soybean/Second Season Corn Succession

et al. 2018

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“…However, in most cases, no significant yield increases were observed in Fabaceae species, e g., in soybean (Nogueira and Melo, 2003;Caires et al, 2003Caires et al, , 2006Caires et al, , 2011aNeis et al, 2010).…”

Section: Introductionmentioning

confidence: 93%

“…Leaf concentrations of macronutrients were within the sufficiency ranges for all treatments, except for 12 Mg ha -1 of PG in the case of N and for all rates in the case of S, where concentrations exceeded the sufficiency range for the crop (santos et al, 2009). No effect of PG application on soybean yield was reported by Caires et al (2003;2011b), Neis et al (2010) and Rampim et al (2011). The roots of this crop, compared with corn for example, have a higher root cation exchange capacity (Fernandes and Souza, 2006), leading to a higher efficiency in the accumulation of soil divalent cations, such as Ca 2+ and Mg 2+ , in the rhizosphere, which favors absorption even under low concentrations of these cations in the soil.…”

Section: Crop Yieldsmentioning

confidence: 99%

Do Rates and Splitting of Phosphogypsum Applications Influence the Soil and Annual Crops in a No-Tillage System?

Vicensi

Müller

Kawakami

et al. 2016

Rev. Bras. Ciênc. Solo

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ABSTRACT:Applications of phosphogypsum (PG) provide nutrients to the soil and reduce Al 3+ activity, favoring soil fertility and root growth, but allow Mg 2+ mobilization through the soil profile, resulting in variations in the PG rate required to achieve the optimum crop yield. This study evaluated the effect of application rates and splitting of PG on soil fertility of a Typic Hapludox, as well as the influence on annual crops under no-tillage. Using a (4 × 3) + 1 factorial structure, the treatments consisted of four PG rates (3, 6, 9, ) and three split applications (P1 = 100 % in 2009; P2 = 50+50 % in 2009 and 2010; P3 = 33+33+33 % in 2009, 2010 and 2011), plus a control without PG. The soil was sampled six months after the last PG application, in stratified layers to a depth of 0.8 m. Corn, wheat and soybean were sown between November 2011 and December 2012, and leaf samples were collected for analysis when at least 50 % of the plants showed reproductive structures. The application of PG increased Ca 2+ concentrations in all sampled soil layers and the soil pH between 0.2 and 0.8 m, and reduced the concentrations of Al 3+ in all layers and of Mg 2+ to a depth of 0.6 m, without any effect of splitting the applications. The soil Ca/Mg ratio increased linearly to a depth of 0.6 m with the rates and were found to be higher in the 0.0-0.1 m layer of the P2 and P3 treatments than without splitting (P1). Sulfur concentrations increased linearly by application rates to a depth of 0.8 m, decreasing in the order P3>P2>P1 to a depth of 0.4 m and were higher in the treatments P3 and P2 than P1 between 0.4-0.6 m, whereas no differences were observed in the 0.6-0.8 m layer. No effect was recorded for K, P and potential acidity (H+Al). The leaf Ca and S concentration increased, while Mg decreased for all crops treated with PG, and there was no effect of splitting the application. The yield response of corn to PG rates was quadratic, with the maximum technical efficiency achieved at 6.38 Mg ha -1 of PG, while wheat yield increased linearly in a growing season with a drought period. Soybean yield was not affected by the PG rate, and splitting had no effect on the yield of any of the crops. Phosphogypsum improved soil fertility in the profile, however, Mg 2+ migrated downwards, regardless of application splitting. Splitting the PG application induced a higher Ca/Mg ratio in the 0.0-0.1 m layer and less S leaching, but did not affect the crop yield. The application rates had no effect on soybean yield, but were beneficial for corn and, especially, for wheat, which was affected by a drought period during growth.

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“…Segundo Neis et al (2010), em Latossolo Vermelho distrófico o sistema plantio direto apresentou maior produtividade de grãos de soja que o cultivo mínimo, independentemente da dose de gesso, mesmo com incremento nos teores de Ca e S. Contudo, a adição de gesso em cultivo mínimo proporcionou incremento da produtividade de soja até a dose de 6.000 kg ha -1 . Dessa forma, a utilização de gesso em sistema semeadura direta pode suprir nutrientes e reduzir a toxidez por Al trocável nas camadas subsuperficiais, como observado neste trabalho, com aumento de Ca e S na cultura da soja, S na cultura do trigo e aumento da produtividade da cultura do trigo, dispensando a interferência de manejos mais agressivos, como o revolvimento do solo para incorporação do gesso.…”

Section: Produtividade De Trigo E De Sojaunclassified

Atributos químicos de solo e resposta do trigo e da soja ao gesso em sistema semeadura direta

Rampim¹,

Lana

Frandoloso³

et al. 2011

Rev. Bras. Ciênc. Solo

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A aplicação de gesso para tornar o Al indisponível, assim como para suprir nutrientes do solo para as plantas, pode proporcionar condições para a obtenção de elevada produtividade das culturas. Este trabalho teve como objetivo avaliar o efeito do gesso (0, 1.000, 2.000, 3.000, 4.000 e 5.000 kg ha-1) nas características químicas de duas áreas com Latossolo Vermelho eutroférrico de textura argilosa, com ou sem Al trocável, e na nutrição mineral e produtividade das culturas de trigo e soja em sistema semeadura direta. As doses de gesso foram aplicadas em superfície seis meses após a calagem. Aos seis e 12 meses após a aplicação do gesso, foram coletadas amostras de solo nas profundidades de 0-0,10; 0,10-0,20 e 0,20-0,40 m. O uso de até 5.000 kg ha-1 de gesso resultou em aumento dos teores de Ca2+ e SO4(2-) e lixiviação de K+ até 0,20 m e Mg2+ até 0,40 m de profundidade, um ano após a aplicação, sendo a dose de 3.000 kg ha-1 a que proporcionou maior redução do Al trocável. A aplicação de gesso implicou aumento dos teores foliares de Ca e Mg na cultura da soja, redução dos teores de Ca e Mg na cultura do trigo e aumento no teor de S em ambas as culturas, enquanto o teor de K aumentou até a dose de 3.170 kg ha-1 de gesso na cultura da soja. A utilização do gesso eleva a produtividade do trigo, cultivar CD 104, em solo com presença de Al trocável, mas não influencia a produtividade da soja em ambas os solos, com ou sem Al.

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Gesso agrícola e rendimento de grãos de soja na região do sudoeste de Goiás

Abstract: RESUMO O revolvimento de áreas em plantio direto (PD) há vários anos e o uso de gesso

Cited by 31 publications

References 5 publications

Gypsum and Phosphorus in Improving Biometric and Nutritional Attributes of Soybean/Second Season Corn Succession

Gypsum and Phosphorus in Improving Biometric and Nutritional Attributes of Soybean/Second Season Corn Succession

Do Rates and Splitting of Phosphogypsum Applications Influence the Soil and Annual Crops in a No-Tillage System?

Atributos químicos de solo e resposta do trigo e da soja ao gesso em sistema semeadura direta

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