Antônio Carlos Vargas Motta

ORCID: 0000-0001-9117-1881
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About
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Research Areas
  • Soil Management and Crop Yield
  • Growth and nutrition in plants
  • Heavy metals in environment
  • Plant Micronutrient Interactions and Effects
  • Soil Carbon and Nitrogen Dynamics
  • Heavy Metals in Plants
  • Clay minerals and soil interactions
  • Forest ecology and management
  • Seedling growth and survival studies
  • Banana Cultivation and Research
  • Crop Yield and Soil Fertility
  • Plant Physiology and Cultivation Studies
  • Soil and Water Nutrient Dynamics
  • Amazonian Archaeology and Ethnohistory
  • Agricultural Science and Fertilization
  • Phosphorus and nutrient management
  • Iron oxide chemistry and applications
  • Environmental and biological studies
  • Radioactivity and Radon Measurements
  • Aluminum toxicity and tolerance in plants and animals
  • Soil erosion and sediment transport
  • Legume Nitrogen Fixing Symbiosis
  • Agricultural and Food Sciences
  • Cassava research and cyanide
  • Bioenergy crop production and management

Universidade Federal do Paraná
2015-2024

Instituto Universitario General Gutiérrez Mellado
2023-2024

Universidade Estadual do Centro-Oeste
2023-2024

Eucalyptus Research Center
2018-2024

Brazilian Agricultural Research Corporation
2023

Laboratoire des dynamiques sociales
2022

Instituto Federal de Educação, Ciência e Tecnologia de Minas Gerais
2022

National Soil Dynamics Research Laboratory
2022

Instituto Florestal
2018

Universidade Federal de Pernambuco
2018

Several activities can build up soil copper (Cu) concentrations leading to incorporation into the food chain and adversely affect natural managed ecosystems. This study provides a synthesis of Cu sources, ecological risks, mitigation strategies Cu-contaminated soils in Brazil. A systematic data search was conducted based on publications from three databases. Data contamination Brazilian were collected selected publications; descriptive statistics, regressions, geo-accumulation indices...

10.1016/j.jtemin.2023.100059 article EN cc-by-nc-nd Journal of Trace Elements and Minerals 2023-03-12

Os efeitos da calagem e gessagem são amplamente conhecidos na literatura, mas a sua magnitude em relação aos no perfil do solo é dependente tempo após aplicação desses insumos. Dessa maneira, o objetivo deste trabalho foi avaliar longo prazo conjunta de gesso calcário nos atributos químicos um rotação culturas, sistema plantio direto. O experimento conduzido uma propriedade rural município Jaguariaíva, PR, Latossolo Vermelho-Amarelo distrófico típico, textura areia franca, durante os anos...

10.1590/s0100-06832014000200014 article PT cc-by Revista Brasileira de Ciência do Solo 2014-04-01

Abstract Amazonian Dark Earths (ADEs) are unusually fertile soils characterised by elevated concentrations of microscopic charcoal particles, which confer their distinctive colouration. Frequent occurrences pre-Columbian artefacts at ADE sites led to ubiquitous classification as Anthrosols (soils anthropic origin). However, it remains unclear how indigenous peoples created areas high fertility in one the most nutrient-impoverished environments on Earth. Here, we report new data from a...

10.1038/s41467-020-20184-2 article EN cc-by Nature Communications 2021-01-04

To compare visual outcomes and performance between bilateral implantation of a diffractive trifocal intraocular lens (IOL) Acrysof®PanOptix® TFNT00 blended two different near add power bifocal IOLs: Acrysof® Restor® SV25T0 in dominant eye SN6AD1 the nondominant eye.This prospective, nonrandomized, consecutive comparative study assessed 20 patients (40 eyes) who had cataract surgery performed using IOLs described. Patients were divided into groups, implant implant. Evaluation included...

10.2147/opth.s139909 article EN cc-by-nc Clinical ophthalmology 2017-08-01

Many Amazonian farmers use the slash-and-burn method rather than fertilization for crop production. The aim of present study was to evaluate changes in morphological, physical, and chemical properties naturally fertile Inceptisols after conversion from native forest different uses southern Amazonia, Brazil. Land covered by dense (NF) split into four areas 1.0 ha each. Three were slashed burned then cultivated 11 years with coffee (CO), secondary (SF), pasture (PA). Four soil profiles sampled...

10.1590/18069657rbcs20170034 article EN cc-by Revista Brasileira de Ciência do Solo 2017-01-01

The effect of nitrogen (N) fertilization (0, 50, 100 and 200 kg N ha-1) on forage yield morphogenesis Axonopus aureus was evaluated in the savannas Roraima State, Brazil. experimental design randomized blocks with three replicates. grass showed high responsiveness to fertilization. Dry weight (DW) yield, morphogenetic structural traits quality were positively affected by effects DW content, leaf appearance rate, elongation number live leaves/tiller, final length area index quadratic maximum...

10.1590/s1516-35982013000800002 article EN cc-by Revista Brasileira de Zootecnia 2013-07-24

Native to subtropical region of South America, yerba mate is responsive P under some conditions, but the degree influence genetic and soil on growth composition leaf unknown. The aim study was evaluate plant growth, nutrients potentially toxic elements in leaves clones response application acid soils. In greenhouse condition, two clone seedlings were grown (210 days) pots, each a completely randomized design factorial scheme (with without P; four soils). elemental plants determined....

10.1590/0001-3765201820160701 article EN cc-by Anais da Academia Brasileira de Ciências 2018-02-19

ABSTRACT Yerba mate leaves are the most studied and used parts of tree, while fruits have been little investigated as to their elemental composition. The objective this study was characterize composition, hot-water solubility elements nutritional value yerba (Ilex paraguariensis St. Hill) leaves. Both were collected from four provenances (cities Cascavel, Quedas do Iguaçu Ivaí in Paraná state Barão de Cotegipe Rio Grande Sul state) 17 years age, grown city Pinhais, state, Brazil. total hot...

10.1590/s1413-70542015000600006 article EN cc-by Ciência e Agrotecnologia 2015-12-01

Phosphorus availability in soils is low due to its strong retention by inner-sphere complexation on minerals the clay fraction with pH-dependent charges, such as goethite. On other hand, sulfur has greater because it retained mainly electrostatic attraction. We evaluated intensities of orthophosphate and sulfate (H2PO4-/HPO42- SO42- – generically treated PO4 SO4) under different experimental conditions (pH, goethite purity, contact times) synthetic samples [...]

10.36783/18069657rbcs20210146 article EN cc-by Revista Brasileira de Ciência do Solo 2022-01-01

Inoculating multifunctional microbial consortia offers potential benefits for enhancing plant growth and grain yield formation. This study verified the feasibility of inoculating soybean ( Glycine max ) seeds with to improve productivity. Seeds were inoculated 12 combinations inoculants [ Bradyrhizobium japonicum B . diazoefficiens biological N 2 fixation, Azospirillum brasilense promotion via phytohormone release, Bacillus megaterium (= Priestia B. subtilis P uptake, Trichoderma harzianum...

10.1155/ioa/9491715 article EN cc-by International Journal of Agronomy 2025-01-01

Abstract The impact of conservation tillage, crop rotation, and cover cropping on soil‐quality indicators was evaluated in a long‐term experiment for cotton. Compared to conventional‐tillage cotton, other treatments had 3.4 7.7 Mg ha−1 more carbon (C) over all soil depths. particulate organic matter C (POMc) accounts 29 48 16 22% (SOC) the 0‐ 3‐and 3‐ 6‐cm depths, respectively. Tillage strongth influence POMc within 3‐cm depth, but intensity did not affect POMc. A large stratification...

10.1080/00103620701663065 article EN Communications in Soil Science and Plant Analysis 2007-11-01

The goal of this research was evaluated the effects potassium and nitrogen fertilization on plum (Prunus salicina) fresh fruit quality after cold storage. experiment carried out in a five year-old orchard 'Reubennel', located at Araucaria County, Parana State, Southern Brazil, Haplumbrept Soil. Potassium fertilizer applied 55 110 kg/ha/year K2O, as KCl. Nitrogen 40, 80, 120, 160 200 N, urea. It used split-plot design factorial scheme (2x5). One hundred fruits were harvested from each plot,...

10.1590/s0100-29452011000500041 article EN cc-by Revista Brasileira de Fruticultura 2011-10-01

Abstract Soil fertility under no‐tillage farming may be affected by agricultural complexity. By transforming most of the ingested pasture into urine and faeces, ruminants catalyse nutrient cycling breaking down complex plant molecules, which can help to maintain or even improve soil fertility. We evaluated how integrating annual crops ruminant grazing cover in same land area at overlapping times affect systems. chemical properties were 0–5‐cm 5–25‐cm depths, three long‐term cropping...

10.1111/ejss.12869 article EN European Journal of Soil Science 2019-08-01

Gypsum can be used as a source for calcium (Ca) and sulphurum (S) plants, well an acid, that is, natural soil conditioner. Aiming to determine the influence of gypsum on development Eucalyptus urograndis in Brazil, experiment was conducted at two locations Paraná State. Experiments were with rates 0, 0.3, 0.6, 1.2, 2.4, 4.8 9.6 Mg ha-1 verify method broadcast planting randomized block design four repetitions. Diameter height plants measured every six months volume determined after 36 months....

10.1590/2179-8087.009519 article EN cc-by Floresta e Ambiente 2020-01-01

O uso de dejetos animais na produção agrícola pode ocasionar a contaminação ou poluição das águas por nutrientes, principalmente com aplicações consecutivas mesma área. Nesse sentido, o objetivo deste trabalho foi avaliar efeito da aplicação dejeto líquido bovinos e fertilizantes minerais lixiviação NH4+, NO3-, P K. Para essa avaliação, foram coletadas colunas indeformadas solo, num experimento campo que estava sendo conduzido sete anos consecutivos continha 12 tratamentos, resultantes...

10.1590/s0100-06832009000400002 article PT cc-by Revista Brasileira de Ciência do Solo 2009-08-01

Due to potential crop toxicity, high aluminum (Al) availability requires increased attention when preparing agricultural soils. However, research examining the relationship between depth distribution of Al and soil weathering has received little priority in Brazil, particularly regarding number profiles investigated. This study analyzed 38 acid soils selected from Soil Surveys southern Brazil identify isolate effects organic mineral components on exchangeable extracted with KCl (AlKCl)....

10.4025/actasciagron.v40i1.39320 article EN cc-by Acta Scientiarum Agronomy 2018-05-15
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