Results 51 to 60 of about 19,851,510 (207)

Distribuição volumétrica e diâmetro de gotas de pontas de pulverização de energia hidráulica para controle de corda-de-viola Volumetric distribution and droplet size of hydraulic spraying nozzles for the control of scarlet morningglory

Planta Daninha, 2011
As pontas de pulverização são responsáveis pela formação das gotas, e cada ponta apresenta características próprias relacionadas ao espectro de gotas e perfil de deposição, específicas para determinados alvos.
M.C Ferreira, T.R Lohmann, A.P Campos, S.R Viel, A Figueiredo   +4 more
doaj   +1 more source

Quality and efficiency of apple orchard protection affected by sprayer type and application rate

Spanish Journal of Agricultural Research, 2013
The goal of this work was to evaluate the potential of reduced application rates in apple trees as well as the potential of selective spray applications by using sensor-based tree detection techniques in Serbian fruit production.
A. D. Sedlar, R. M. Bugarin, D. Nuyttens, J. J. Turan, M. S. Zoranovic, O. O. Ponjican, T. V. Janic   +6 more
doaj   +1 more source

A system to evaluate the performance of hydraulic nozzles used in stored grain preotection trials Sistema para avaliar o desempenho de bicos hidráulicos utilizados em experimentos de proteção de grãos armazenados

Scientia Agricola, 2007
We developed a system to evaluate the performance of hydraulic nozzles used in stored corn and wheat grain protection experiments. An insecticidal mix was used as test fluid to determine the transversal volumetric distribution and droplets spectrum of a ...
Javier A. Vásquez-Castro, Gilberto C. de Baptista, Casimiro D. Gadanha Jr., Luiz R.P. Trevizan   +3 more
doaj   +1 more source

Spraying systems and traveling speed in the deposit and spectrum of droplets in cotton plant [PDF]

Engenharia Agrícola, 2015
Tractor traveling speed can influence the quality of spraying depending on the application technology used. This study aimed to evaluate the droplet spectrum, the deposition and uniformity of spray distribution with different spraying systems and ...
Jhonatan D. Cavalieri, Carlos G. Raetano, Ronaldo P. Madureira, Lais L. Q. Moreira   +3 more
doaj   +1 more source

Spray deposition and losses in potato as a function of air-assistance and sprayer boom angle Deposição e perdas na pulverização da batata em função da assistência de ar e angulação da barra pulverizadora

Scientia Agricola, 2006
Within the Brazilian agricultural scene, the potato crop plays a significant economic role. Modern equipment and the development of improved chemical product application techniques contribute toward the constant search for improved revenue from the ...
Fábio Scudeler, Carlos Gilberto Raetano
doaj   +1 more source

EFFECT OF NOZZLES, APPLICATION RATES, AND ADJUVANTS ON SPRAY DEPOSITION IN WHEAT CROPS [PDF]

Engenharia Agrícola, 2019
The use of insecticides is common in pest management in wheat crops but may lead to higher production costs and environmental contamination. Therefore, a more comprehensive and uniform distribution of plant protection products in the desired target is ...
Willian A. Machado, Sérgio M. Silva, Stephan M. Carvalho, João P. A. R. da Cunha   +3 more
doaj   +1 more source

Distribuição volumétrica de calda contendo Metarhizium anisopliae Volumetric distribution of spray containing Metarhizium anisopliae

Ciência Rural, 2012
O controle microbiano de Mahanarva fimbriolata é de suma importância para o manejo dessa praga em cana-de-açúcar, porém carece de melhorias quanto à tecnologia de aplicação. O trabalho teve como objetivo definir um modelo de bico de pulverização adequado
Haroldo Xavier Linhares Volpe, Rogério Teixeira Duarte, Anderson Gonçalves da Silva, Edison Baldan Júnior, Gilson José Leite, Marcelo da Costa Ferreira   +5 more
doaj  

Cana-de-açúcar: avaliação da taxa de aplicação e deposição do herbicida glifosato Sugarcane: evaluation of application rates and deposition of the glyphosate herbicide

Revista Brasileira de Engenharia Agrícola e Ambiental, 2011
No Brasil, o uso de agrotóxicos consumirá, anualmente, mais de seis milhões de m3 de água como veículo, na cultura da cana-de-açúcar. O menor volume de calda aumenta a autonomia e a capacidade operacional dos pulverizadores, diminuindo o risco de perdas ...
Euripedes B. Rodrigues, Otavio J. G. Abi Saab, Marco A. Gandolfo   +2 more
doaj   +1 more source

Technological Applications [PDF]

, 2020
Neetu Tripathi, Manoj Kumar Goshisht
  +4 more sources

Study on droplet deposition characteristics and application of small and medium crown garden plants sprayed by UAV sprayer

Frontiers in Plant Science
The Unmanned Aerial Vehicle (UAV) sprayer has the advantages of high work efficiency, simple operation, and high safety factor, and has broad application prospects UAV sprayer are widely used in the agricultural field, and the application of UAV sprayer ...
Jinye Gao, Ping Bo, Yubin Lan, Liangchen Sun, Haiteng Liu, Xinlong Li, Guobin Wang, Huizheng Wang   +7 more
doaj   +1 more source