Search Results - "da Cunha, João Rodrigues"
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Simulating soil carbon and nitrogen trends under an integrated system in the Brazilian Cerrado
Published in Acta scientiarum. Agronomy (01-01-2024)“…Management systems that include trees tend to provide higher amounts of plant biomass to the soil, contributing to the increase in carbon (C) and nitrogen (N)…”
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Soil biological attributes in monoculture and integrated systems in the Cerrado region of Piauí State, Brazil
Published in Acta scientiarum. Agronomy (01-01-2021)“…The implementation of integrated agricultural production systems is considered a promising strategy for sustainable agricultural intensification in Brazil…”
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3
Direct sowing of onion (Allium cepa) over cover crops with different lengths of the chemical fallow
Published in Acta agronomica (Palmira) (25-03-2022)“…The objective of this work was to evaluate the effect of cover crops and fallow duration on the onion crop planted in direct sowing in trials carried out for…”
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4
Control of Urochloa decumbens Using Glyphosate Applied by Remotely Piloted Aircraft and Ground Sprayer with Different Spray Nozzles
Published in Plants (Basel) (07-03-2024)“…The use of remotely piloted aircraft (RPA) to spray pesticides currently occurs, but knowledge about this technology is lacking due to the different locations,…”
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Spray drift and droplet spectrum from dicamba sprayed alone or mixed with adjuvants using air-induction nozzles
Published in Pesquisa agropecuaria brasileira (01-06-2018)“…The objective of this work was to evaluate the spray drift and droplet spectrum of dicamba applied alone or with potential drift-reducing adjuvants, using…”
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Phytotoxicity in soybean crop caused by simulated dicamba drift
Published in Pesquisa agropecuaria brasileira (01-01-2021)“…The objective of this work was to evaluate injury symptoms on soybean not tolerant to dicamba (3,6-dichloro-2-methoxybenzoic acid), as well as crop yield,…”
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7
Leaf Sample Size for Pesticide Application Technology Trials in Coffee Crops
Published in Plants (Basel) (01-03-2023)“…Plot size, sample sufficiency, and number of repetitions are factors that affect the experimental errors or residuals and the expression of true differences…”
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Use of different spray volumes and hydraulic nozzles in air-assisted electrostatic insecticide application technologies to control coffee berry borer (Hypothenemus hampei) populations
Published in Acta scientiarum. Agronomy (01-01-2022)“…Chemical control is essential for efficient pest management in coffee crops. Application technologies should safely deliver insecticides to the target whilst…”
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9
Ocimum basilicum essential oil combined with deltamethrin to improve the management of Spodoptera frugiperda
Published in Ciência e agrotecnologia (01-12-2017)“…ABSTRACT For an important and expensive crop such as corn, the resistance of Spodoptera frugiperda J.E. Smith to various pesticides has led to research…”
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10
Organic C Fractions in Topsoil under Different Management Systems in Northeastern Brazil
Published in Soil systems (01-03-2023)“…The conversion from native forest to other land-use systems can decline the soil organic carbon (SOC) in tropical soils. However, conservationist management…”
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11
Adjuvants plus phytosanitary products and the effects on the physical-chemical properties of the spray liquids
Published in Bioscience journal (01-11-2019)“…The frequent tank mixing of phytosanitary products, adjuvants, and foliar fertilizers highlights the lack of information which sustains decisions about what…”
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12
Synergistic effects of binary mixtures of linalool with pyrethroids against fall armyworm
Published in Bioscience journal (30-12-2020)“…The present work aimed to determine the toxicity of linalool and evaluate the lethal and toxic effects of linalool associated with pyrethroids in binary…”
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13
Physical-chemical properties of pesticides: concepts, applications, and interactions with the environment
Published in Bioscience journal (01-05-2016)“…What are the molecular properties of agricultural chemicals, how do they function and why should they be studied? How do they affect the agroecosystem and how…”
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14
Spray drift and efficacy from glyphosate and 2,4-D applications with adjuvants
Published in Bioscience journal (01-05-2020)“…Weed plants are one of main factors that affect the production of oilseed crops. Their management have been based on chemical control with herbicides, like…”
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Application rate and hydraulic tips used in remotely piloted aircraft affect the phytosanitary products in coffee plant canopies
Published in Acta scientiarum. Agronomy (2024)“…Most coffee (Coffea arabica) phytosanitary management techniques are performed using ground-based equipment, and remotely piloted aircraft are a recent…”
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16
Field data and prediction models of pesticide spray drift on coffee crop
Published in Pesquisa agropecuaria brasileira (01-08-2014)“…The objective of this work was to generate drift curves from pesticide applications on coffee plants and to compare them with two European drift-prediction…”
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17
Fungicide application technology for controlling the sugarcane orange rust
Published in Pesquisa agropecuária tropical (01-01-2019)“…ABSTRACT With the epidemic onset of the sugarcane orange rust, fungicide applications of the Strobilurins and Triazoles groups have become necessary in…”
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18
Evaporation time of droplets containing thiamethoxam and adjuvants on hydrophilic, hydrophobic and lipophilic surfaces under different air relative humidities
Published in Bioscience journal (2016)“…The efficacy of pesticide applications is related to the spread and evaporation time of the droplets deposited on the target. This study evaluates the…”
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Drift curves from spray applications on commom bean crop
Published in Ciência e agrotecnologia (01-12-2016)“…ABSTRACT In order to avoid the occurrence of drift in pesticide applications, it is fundamental to know the behavior of sprayed droplets. This study aimed to…”
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Tank mixture of pesticides for Spodoptera frugiperda control in maize with triflumuron
Published in Bioscience journal (01-01-2017)“…Nowadays, few studies have been conducted to evaluate the effect of tank mixture of pesticides on pest chemical control in maize crops, however the farmers are…”
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