Corretivos da acidez do solo e níveis de umidade no desenvolvimento da cana-de-açúcar

Oliveira, Carlos Matheus Rodrigues de; Passos, Renato Ribeiro; Andrade, Felipe Vaz; Reis, Edvaldo Fialho dos; Sturm, Gustavo Martins; Souza, Rodolfo B. de

doi:10.5039/agraria.v5i1a541

Cited by 16 publications

(19 citation statements)

References 8 publications

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“…This can be explained because the intensity of the water deficit was moderate (55% field capacity) (Carlin and Santos, 2009;Oliveira et al, 2010) and longer duration (60 days), unlike that of other studies using severe water deficit (20 to 40% field capacity) to assess the immediate effects (Carlin andSantos, 2009, Oliveira et al, 2010;Boaretto et al, 2014) or the recovery of the plant after stress (Machado et al, 2009). …”

Section: Althought Positive Responses Of Silicate Fertilizationmentioning

confidence: 94%

“…The alleviation of the deleterious effects of water deficit with Si fertilization are related to an increased water use efficiency (Epstein, 2009), limiting the loss of water through transpiration (Hattori et al, 2005), reduced oxidative damage (Gong et al, 2005), electrolyte leakage, and increased photosynthetic activity (Gong et al, 2005;Hattori et al, 2005) and biomass yield (Eneji et al, 2008). However, association between water deficit and Si fertilization in sugarcane was not studied yet, with the exception of Oliveira et al, (2010). These authors reported a 34% increase in the dry biomass of sugarcane growing in pots under moderate water stress when silicate was applied to the soil compared to the control (without Si, 100% field capacity).…”

Section: And Stalk and Sugar Yield (Mc Silicon Fertilization Reduces mentioning

confidence: 99%

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Silicon fertilization reduces the deleterious effects of water deficit in sugarcane

Camargo¹,

Bezerra

Vitti³

et al. 2017

J. Soil Sci. Plant Nutr.

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Few studies have focused on water deficit for sugarcane, whose damage could be reduced with Si, as shown in other crops. This study aimed to determine whether Si fertilization enhances the best recovery of sugarcane after two periods of the formative phase (tillering and early grand growth) for RB86-7515 (drought tolerant) and RB85-5536 (drought sensitive), and which growth phase is beneficial for each cultivar. It was investigated: 1) the effect of Si fertilization on total Si uptake, and on soluble Si in soil; 2) whether Si uptake could provided increased stalk yield, juice quality, dry biomass compared to well-watered treatments. Two experiments were conducted in pots under greenhouse: one with RB86-7515 and another with RB85-5536. Treatments were: 1-Non-Deficit+Si, 2-Non-Deficit-Si, 3-Early Deficit (ED)+Si, 4-ED-Si, 5-Late Deficit (LD)+Si, and 6-LD-Si. Silicon fertilization provided best recovery of sugarcane (superior sugar, stalk yield, and dry biomass) after early and late water deficit compared to its absence for both cultivars. For RB85-5536, Si fertilization propitiated similar recovery for water deficit and continuous irrigation treatments. No differences were observed between periods of water deficit. Therefore, Si fertilization at planting should be considered another tool for reducing the damage caused by water deficit in sugarcane.

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Section: Althought Positive Responses Of Silicate Fertilizationmentioning

confidence: 94%

Section: And Stalk and Sugar Yield (Mc Silicon Fertilization Reduces mentioning

confidence: 99%

Silicon fertilization reduces the deleterious effects of water deficit in sugarcane

Camargo¹,

Bezerra

Vitti³

et al. 2017

J. Soil Sci. Plant Nutr.

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“…No Brasil, vem crescendo significativamente nos últimos anos o interesse por pesquisas que tratam da utilização de escórias (FORTES et al, 2008). Nesse sentido, o emprego de escórias industriais na agricultura tem sido estudado por alguns autores, que têm confirmado a sua viabilidade para diferentes culturas, como Paparotte e Maciel (2006), Prado e Natale (2004), Oliveira et al (2010), Stocco et al (2010).…”

Section: Introductionunclassified

Influência da aplicação de dois resíduos industriais nas propriedades químicas de dois solos cultivados com café arábica

Nogueira¹,

Tomaz²,

Andrade³

et al. 2012

Rev. Ciênc. Agron.

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Influência da aplicação de dois resíduos industriais nas propriedades químicas de dois solos cultivados com café arábica Abstract -The large amount of industrial waste which currently causes serious environmental problems has demonstrated the need for the appropriate use of those materials which not only reduce environmental impact but have shown potential for agricultural use. The aim of this study was to evaluate the chemical effects of different amounts of slag and magnesium oxide on two soils planted with coffea arabica. The study was carried out using pots of 10 dm 3 in a greenhouse at the Center for Agrarian Sciences of the Federal University of Espirito Santo. The experimental design was of randomized blocks with a factorial distribution of 2 x 3 x 6, and three replications, the factors being: two soils (dystrophic red-yellow clay loam and dystrophic red-yellow medium-texture loam), three additives (limestone as control and slag and magnesium oxide as waste), six amounts of corrective materials (0; 25; 50; 75; 100 and 125% of the required liming). After 180 days of culture, analysis of pH, H + + Al 3+ , Al 3+, Ca 2+ e Mg 2+ was carried out. The results showed that applications of increasing doses of magnesium oxide and slag, up to the limit of this study, further a decrease in soil acidity. Magnesium oxide has shown the greatest potential for soil-acidity correction and also as a source of magnesium for the soil.

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“…Currently, the same legislation applied to limestone is applied to the marketing of slag (Brasil, 2004), since both have shown similar behavior with regards to their ability to change the chemical properties of soils, as shown by other authors including Chaves and Farias (2008) and Oliveira et al (2010).…”

Section: Introductionmentioning

confidence: 92%

Reactivity of a blast furnace slag in latosols

Soares¹,

Prado²,

Furlaneto³

2015

Afr. J. Agric. Res.

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Two experiments were conducted to study reactivity for a blast furnace slag, both developed in a greenhouse, in pots planted with Brachiaria brizantha. A 3 x 4 + 3 factorial was used with four replications, with three slag doses corresponding to 0.6, 1.2 and 2.4 g dm -3 for the clay soil and 2.2, 4.4 and 8.8 g dm -3 for the medium texture soil, four particle sizes (ABNT 5-10, 10-20, 20-50 and <50) and three controls (without corrective application, slag and dolomitic limestone in a dose corresponding to V=70%). In the clayey soil, there was a low efficiency of Ca and Mg release to the soil with the use of slag. It was concluded the slag, in its different particle size fractions influenced differently the pH, Ca and Mg of medium texture soil, where the fraction that passed through the ABNT 50 sieve had a greater effect on the chemical attributes evaluated. The corrective agents, slag and limestone, acted similarly on pH, Ca, Mg and V%. For greater liberation of silicon to the soil and absorption by plants it is necessary to use smaller particle sizes in the medium texture soil and intermediate particle sizes in the soil with clayey texture.

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Corretivos da acidez do solo e níveis de umidade no desenvolvimento da cana-de-açúcar

Cited by 16 publications

References 8 publications

Silicon fertilization reduces the deleterious effects of water deficit in sugarcane

Silicon fertilization reduces the deleterious effects of water deficit in sugarcane

Influência da aplicação de dois resíduos industriais nas propriedades químicas de dois solos cultivados com café arábica

Reactivity of a blast furnace slag in latosols

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