Consulta: subjectFacets:"Drift curves"
Registros recuperados: 2
Data/hora: 12/06/2024 05:41:43

Field data and prediction models of pesticide spray drift on coffee crop
Provedor de dados: 86
Autores: Alves,Guilherme Sousa; Cunha,João Paulo Arantes Rodrigues da.
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 models. The used methodology is based on the ISO 22866 standard. The experimental design was a randomized complete block with ten replicates in a 2x20 split-plot arrangement. The evaluated factors were: two types of nozzles (hollow cone with and without air induction) and 20 parallel distances to the crop line outside of the target area, spaced at 2.5 m. Blotting papers were used as a target and placed in each of the evaluated distances. The spray solution was composed of water+rhodamine B fluorescent tracer at a concentration of 100 mg L-1, for detection by fluorimetry. A spray volume of 400 L ha-1 was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coffea Arabica; Drift curves; Environmental contamination; Hydropneumatic sprayer; Nozzles.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000800622

Environmental risk for aquatic and terrestrial organisms associated with drift from pesticides used in soybean crops
Provedor de dados: 42
Autores: BUENO,MARIANA R.; CUNHA,JOÃO PAULO A.R. DA.
Abstract  Several countries included the assessment of environmental drift contamination risk for the registration of pesticides. This practice is not yet totality effective in Brazil; however, due to the large number of pesticides in use, it is important to identify the real contamination risk during pesticide spraying. Therefore, this study determined the indices of environmental risks for exposure to drift from terrestrial applications of fungicides, herbicides, and insecticides that are used in soybean crops under Brazilian climate conditions and established buffer zones for the application of these products. Based on the three prediction drift models for soybeans in Brazil, risk indices were computed for aquatic organisms and terrestrial organisms...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Drift curves; Glycine max; Pesticide application technology; Risk assessment.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652020000201007