Silicate fertilization in non-conventional vegetables in the southern region of Minas Gerais in Brazil

Oliveira, L. C. P.; Souza, Douglas Correa de; Silva, Luis Felipe Lima e; Resende, Luciane Vilela; Silva, Maria Lígia de Souza; Guerra, Thiago Sampaio

doi:10.1590/0034-737x201966060008

Cited by 7 publications

(5 citation statements)

References 23 publications

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“…Furthermore, Si reversed the deleterious effects of wastewater, stimulated plant growth which increased the uptake of N, P and K due to higher internal demand. Oliveira et al, demonstrated that Si could increase the uptake of N, P and K in non-conventional vegetables [41]. Li et al, also reported an increase in P concentration in plants with the application of Si [42].…”

Section: Discussionmentioning

confidence: 99%

Silicon Nutrition Effects on Growth, Yield and Metal Accumulation in Radish (Raphanus sativus L.) Grown with Municipal Wastewater

Ltd¹

2020

JSPB

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Recent climate changes make the use of wastewater an emerging priority in many parts of the world to meet food security. However, wastewater use without adequate precautionary measures may deteriorate soil health as well as crop yield and quality due to the presence of heavy metals. The present study aimed to investigate the protective role of silicon (Si) against the harmful effects of wastewater on growth, yield, and metal accumulation in radish (Raphanus sativus L.). Experimental plan comprised of wastewater and six Si levels (0, 40, 80, 120, 160 and 200 mg Si kg soil -1 as potassium silicate), with five replications. Silicon as potassium silicate (K 2 SiO 3 ) was thoroughly mixed into soil before filling the pots. Recommended dose of Nitrogen (N), Phosphorus (P) and Potassium (K) fertilizers, 960 mg N pot -1 as urea, 960 mg P 2 O 5 pot -1 as triple superphosphate and 1200 mg K 2 O as potassium sulfate, were applied. Results revealed that all levels of added Si could alleviate the deleterious effects of wastewater on plant growth and yield characteristics, more pronounced protective effects at 120 mg Si kg -1 . There was an increase of 53.10% in shoot length, 113.74% tuber length, 50.0% tuber diameter and 68.63% tuber yield plant -1 with 120 mg Si kg -1 compared to wastewater irrigation without Si. It was found that N concentration improved by 37.60% in leaf and 37.58% in tuber, P 48.47% in leaf and 41.37% in tuber while K 39.11% in leaf and 36.38% in tuber with 120 mg Si kg -1 compared to wastewater irrigation without Si. Lead (Pb) concentration reduced by 27.24%, Arsenic (As) 33.89%, Nickel (Ni) 35.13%, Cadmium (Cd) 32.87%, and Chromium (Cr) 57.14% in radish leaves with 120 mg Si kg -1 compared to wastewater irrigation without Si. Moreover, plant available fraction of heavy metals in soil also markedly reduced with Si under wastewater irrigation. In conclusion, Si could protect radish plants against wastewater-induced metal toxicity by improving the concentration of N, P and K while decreasing Pb, As, Ni, Cd and Cr in plants. Wastewater could efficiently be used for growing radish by amending with Si, particularly at 120 mg Si kg -1 . However, future studies on wastewater utilization with Si can be extended to other vegetables.

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Section: Discussionmentioning

confidence: 99%

Silicon Nutrition Effects on Growth, Yield and Metal Accumulation in Radish (Raphanus sativus L.) Grown with Municipal Wastewater

Ltd¹

2020

JSPB

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“…The application of 50 mg L -1 SiO 2 at the lowest moisture level increased the concentration of Si in the root by 53.3% compared to the treatment without Si. Silicon fertilization can increase the concentration of the element in plant tissues, but very high doses can generate an antagonistic effect (Oliveira, et al, 2019). The contents of Si in plant tissues can vary depending on the applied dose (Oliveira et al, 2019), the genetics and the absorption mechanisms of each plant (Hodson, White, Mead, Broadley, 2005).…”

Section: Silicon (Si) Concentrationmentioning

confidence: 99%

“…Silicon fertilization can increase the concentration of the element in plant tissues, but very high doses can generate an antagonistic effect (Oliveira, et al, 2019). The contents of Si in plant tissues can vary depending on the applied dose (Oliveira et al, 2019), the genetics and the absorption mechanisms of each plant (Hodson, White, Mead, Broadley, 2005). The distribution of Si in the shoots of the plant is regulated by several factors among which is transpiration (Ma and Yamaji, 2006).…”

Section: Silicon (Si) Concentrationmentioning

confidence: 99%

Assessment of Two Calcium Silicate Sources on Cucumber Under Water Restriction

Faroutine¹,

Arteaga-Ramírez²,

Pineda-Pineda³

et al. 2023

JAS

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Silicon (Si) is beneficial for plants that are under unfavorable conditions. In this study conducted under greenhouse conditions at Chapingo Autonomous University, Si fertilization was tested to examine whether it affected yields, biometrics, physiological parameters, and nutritional attributes of cucumber plants cultivated at different moisture levels in the substrate. Fifteen treatments were tried in a completely randomized design, including three moisture levels (50-60%, 75-85%, and 90-100% of container capacity (CC) and five Si doses (0, 50, 100 mg L-1 SiO2, 2 g L-1, and 3 g L-1 Wollastonite). Uniform irrigation was applied until the 18th day after transplantation, and controlled irrigation was applied according to the moisture levels until the end of the experiment. 3 g L-1 of wollastonite under 75-85% CC enhanced cucumber yield by 24.9% in comparison to untreated plants, while no Si dose affected fruit length, diameter, weight, and total soluble solids. At 90-100% of CC, 50 mg L-1 SiO2 increased the aerial biomass production (ABP) of the plants by 9.3%, and at 50-60% of CC, 100 mg L-1 SiO2 generated 11.8% more aerial biomass than untreated plants. As Si did not affect root production, mainly at 50-60% of CC, it improved chlorophyll a, b, and the total content of the leaves. Different parts of the plant saw significant increases in N, P, K, Ca, Mg, and Si concentrations because of Si’s interactions with moisture levels. When the substrate is low in moisture, Si is likely to improve cucumber yields, physiological, and nutritional characteristics of the plant.

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“…Among the leafy vegetables, Rumex acetosa L., Stachys byzantina K. Koch. and Lactuca canadensis L. have been gaining space and arousing the interest of producers and the consumer market (Silva et al 2017, Silva et al 2018a, Oliveira et al 2019, Oliveira et al 2020.…”

Section: Palavras-chavementioning

confidence: 99%

Organic fertilization in the production and chemical composition of non-conventional leafy vegetables

Batista

Mantovani

Silva

et al. 2021

Pesqui. Agropecu. Trop.

Self Cite

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Non-conventional leafy vegetables can be a good source of nutrients for the human diet, but there is little information on fertilization for these species. This study aimed to evaluate the effect of organic fertilization with cattle manure on the production and chemical composition of non-conventional leafy vegetables. The experiment was conducted in a greenhouse, in pots. The factors under study were non-conventional leafy species (Rumex acetosa, Stachys byzantina and Lactuca canadensis) and cattle manure doses (0; 5; 10; 15; and 20 t ha-1), arranged in a 3 x 5 factorial scheme, in a randomized block design, with four replications. At harvest, the following parameters were evaluated: stem diameter; total number of leaves; number of leaves with commercial standard; shoot fresh and dry matter; macro and micronutrients concentration and accumulated amounts in the shoot. The fertilization with cattle manure altered the stem diameter, number of leaves with commercial standard, shoot fresh and dry matter, as well as the accumulation of the nutrients N, P, K, Ca, Fe, Mn and Zn in the shoot of the three species studied. The additions obtained varied from 1.1 to 2.1 times, in relation to the treatment without organic fertilization, and the dose equivalent to 20 t ha-1 was the most adequate one. The organic fertilization with cattle manure increases the production and accumulation of nutrients in the non-conventional vegetables evaluated, with R. acetosa presenting a nutrient accumulation higher than S. byzantina and L. canadensis.

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Silicate fertilization in non-conventional vegetables in the southern region of Minas Gerais in Brazil

Cited by 7 publications

References 23 publications

Silicon Nutrition Effects on Growth, Yield and Metal Accumulation in Radish (Raphanus sativus L.) Grown with Municipal Wastewater

Silicon Nutrition Effects on Growth, Yield and Metal Accumulation in Radish (Raphanus sativus L.) Grown with Municipal Wastewater

Assessment of Two Calcium Silicate Sources on Cucumber Under Water Restriction

Organic fertilization in the production and chemical composition of non-conventional leafy vegetables

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