Silicate fertilization of tropical soils: silicon availability and recovery index of sugarcane

Camargo, Mônica Sartori de; Rocha, Gabriela Antônia de Freitas; Korndörfer, Gaspar Henrique

doi:10.1590/s0100-06832013000500016

Cited by 17 publications

(9 citation statements)

References 16 publications

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“…Indeed, silicate fertilization has been shown to reduce the damage caused by the stalk borer (Atencio et al 2019;Camargo et al 2014a;Kvedaras et al 2009). Despite the abundance of Si in the Earth's crust, the Si plant availability in the soil is low, especially in highly weathered tropical soils, due to the desilication process and the depletion of Si readily available through crop removal (Camargo et al 2013;Keeping 2017;Liang et al 2015). Sideficient soils can be corrected by several sources that vary widely in total and plant-available silicon (Keeping 2017).…”

Section: Introductionmentioning

confidence: 99%

Amorphous Silica-Based Fertilizer Increases Stalks and Sugar Yield and Resistance to Stalk Borer in Sugarcane Grown Under Field Conditions

Oliva

Silva

Araújo

et al. 2021

J Soil Sci Plant Nutr

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Silicon (Si) fertilization can mitigate biotic and abiotic stresses and increase the yield of sugarcane. Considering the low availability of Si in tropical soils and the large amounts of fertilizer required by Si accumulating crops, concentrated sources of Si with good solubility may lead to more profitable fertilization management. In this context, we assessed the potential of an amorphous silica-based fertilizer (ASF) on increasing the soil availability and uptake of Si by sugarcane, the growth parameters, the stalk and sugar yields, and the damage caused by stalk borer (Diatraea saccharalis F.). Additionally, Si effects on the accumulation of nutrients by sugarcane were evaluated. The field trial was carried out in a randomized block design with four replications. The ASF was applied at five rates (0, 125, 250, 500, and 750 kg ha −1 ). The evaluation of the plants was performed 12 months after planting. Silicon available content in the soil layers assessed (0.0-0.2 m and 0.2-0.4 m) increased with Si fertilization. The Si concentrations in leaves and stalks were up to 5-and eightfold higher in ASF-amended plants than the control. The Si fertilization increased N, P, K, Ca, Fe, Mn, Cu, and Zn concentrations. Sugarcane growth parameters showed a positive relationship with Si in plants; the height and stalk diameter and the dry leaf biomass were 50, 58, and 71% higher in the 750 kg ha −1 ASF compared to the control, respectively. ASF also increased the contents of fiber, total sugar, and recoverable sugar. The accumulation of Si in the stalk reduced significantly the damage caused by the stalk borer. The ASF rates increased the yield of stalks, total and recoverable sugar, and the stalk borer's resistance, having great potential to boost sugarcane performance in Si-depleted soils in northeast Brazil.

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Section: Introductionmentioning

confidence: 99%

Amorphous Silica-Based Fertilizer Increases Stalks and Sugar Yield and Resistance to Stalk Borer in Sugarcane Grown Under Field Conditions

Oliva

Silva

Araújo

et al. 2021

J Soil Sci Plant Nutr

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“…0.5 mol L -1 Acetic acid extracted 139% more Si than 0.01 mol L -1 CaCl 2 (Figure 1). Previous studies have reported a higher Si extraction capacity of acetic acid compared to CaCl 2 (Camargo et al, 2013). However, acetic acid can lead to misinterpretation of Si availability.…”

Section: Correlation Between Si Concentration In Plants and Soil Si Ementioning

confidence: 87%

“…Yield responses to Si take place especially in soils containing a low concentration of available silicon. Studies in Si-deficient soils (< 10 mg kg -1 Si) have shown that silicate fertilization promotes a significant increase in the yield of sugarcane and improvement in parameters such as fiber and total reducing sugar (Camargo et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Biomass and concentration of nutrients and silicon in sugarcane grown on soil fertilized with diatomite

Oliva

Nascimento

Silva

et al. 2020

Agraria

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Silicon (Si) plays an important role in sugarcane, but there is a gap of information regarding the potential of diatomite as a Si fertilizer to this crop. Here, we assessed the effects of five rates (equivalents to 75; 150; 225; 300 and 375 kg ha-1 Si) of a diatomite-based fertilizer on the biomass yield and concentration of nutrients and Si in sugarcane plants grown on a sandy soil. The efficiency of the extractants acetic acid and calcium chloride in predicting Si uptake was also assessed. Results showed that diatomite was efficient in supplying available Si in the soil and increased Si concentration in the plant. The addition of diatomite significantly increased the available contents of P, K, Mn, Cu, and the cationic exchangeable capacity of the soil. The concentrations of N, P, Mn, Cu, and Zn in shoots were elevated, suggesting that the fertilizer can play a role in the efficient use of nutrients by sugarcane. The extractant 0.01 mol L-1 CaCl 2 was better correlated with Si concentration in plants than 0.5 mol L-1 acetic acid. Therefore, CaCl 2 is the recommended extractant to estimate Si availability because of its higher efficiency and lower cost.

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“…The beneficial Si effects on corn plants in tropical agriculture need to be further studied because Brazilian soils, especially those in the Cerrado Savanna biome, are poor in soluble Si (Camargo et al, 2013). Fertilizers with Si can stimulate sweet corn plant resistance to water stress.…”

Section: Introductionmentioning

confidence: 99%

Potassium Silicate, Against Water Stress, in Sweet Corn Plant Growth Traits

Araújo¹,

Almeida²,

Guimarães³

et al. 2019

JAS

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Water stress in sweet corn plants due effect of climatic events, such as El Niño, is difficult to monitor, leading to considerable losses. Silicon (Si) as an exogenous resistance elicitor may reduce water stress effects. The relationship between sweet corn plant age and its development, under induced water stress and leaf potassium silicate applications were evaluated. This work was carried out with the hybrid Tropical Plus®, in a randomized factorial block design with 15, 30, 45 and 60 kPa as soil water tensions in plots and potassium silicate doses (0, 6, 12 and 24 L ha-1) in subplots. Stem diameter, plant height and leaf number per plant were evaluated at 30, 45, 60, 75 and 90 days after seeding. Root length was measured on the 90th day after seeding. Sweet corn plants submitted to water stress conditions and Si application showed an age-dependent response. Water stress did not decrease stem diameter, plant height and number of leaves per plant sprayed with Si. Root length was longer with 60 kPa soil water tension. Silicon reduced negative impacts of water stress on sweet corn plants.

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Silicate fertilization of tropical soils: silicon availability and recovery index of sugarcane

Cited by 17 publications

References 16 publications

Amorphous Silica-Based Fertilizer Increases Stalks and Sugar Yield and Resistance to Stalk Borer in Sugarcane Grown Under Field Conditions

Amorphous Silica-Based Fertilizer Increases Stalks and Sugar Yield and Resistance to Stalk Borer in Sugarcane Grown Under Field Conditions

Biomass and concentration of nutrients and silicon in sugarcane grown on soil fertilized with diatomite

Potassium Silicate, Against Water Stress, in Sweet Corn Plant Growth Traits

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