Results 11 to 20 of about 1,983 (199)
Control of Dalbulus maidis in maize crop with electrostatic spraying
Bioscience Journal, 2019 Among the pests that attack the maize, the maize leafhopper, which causes direct damages by sap-sucking and indirect ones, stands out as being a vector of pathogens and viruses, and can cause losses of up to 100% of the production.
Rodrigo Santos Marques +5 more
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RESIDUAL ACTIVITY STUDY OF CERTAIN GROUND SPRAYING EQUIPMENT FOR CONTROLLING BEAN APHIDS WITH PRIMICARB INSECTICIDE ON Vicia fabae (L.) PLANTS IN EGYPT [PDF]
Journal of Plant Protection and Pathology, 2015 Field experiments were carried out in an area of about 2 feddan planted with bean plants variety (Sakha 2 ) Vicia faba (L).during season 2014 in 12th December at Sakha ,Kafr Elsheikh Governorate.
Laila Seleman, Rehab Dar
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Agricultura, 2008 Obtaining of increase and healthy productions in wine-yards and orchards, in the same time with decrease of environmental polution, require increasing researches in plant protection field, for obtaining new solutions, which permit to develop performant ...
Constantin Cota +2 more
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Experimental Analysis of the Effect of Wear Factors on Guide Vane of Hydraulic Turbine
Machines, 2022 In this paper, in order to study the wear of the guide vane of the hydraulic turbine, a test bench was built according to the actual internal flow of the hydraulic turbine of the power station. The value of the wear of the surface of the guide vane after
Xiaoyi Zhao +4 more
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Bubble entrainment, spray and splashing at hydraulic jumps [PDF]
Journal of Zhejiang University-SCIENCE A, 2006 The sudden transition from a high-velocity, supercritical open channel flow into a slow-moving sub-critical flow is a hydraulic jump. Such a flow is characterised by a sudden rise of the free-surface, with some strong energy dissipation and air entrainment, waves and spray.
openaire +4 more sources
Guan'gai paishui xuebao, 2023 【Objective】 Refractive sprinkler spray head mobile irrigation is a widely used irrigation system. In this paper, we proposed a model to calculate its water distribution and hydraulic characteristics for helping optimize its operating parameters and ...
XUE Shaopeng +4 more
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Evaluation of an intermittent mist spray cooling system for improving greenhouse eggplant cultivation [PDF]
E3S Web of Conferences, 2023 Cultivation of crops in greenhouses faces the issue of overheating, which can harm yields. A low-cost solution is evaporative cooling, which also reduces the vapor pressure deficit. Fine mist sprays can significantly reduce temperature and vapor deficit.
Farnham Craig +2 more
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Hydraulic Spray Nozzles for Entomopathogenic Nematode Application
Revista Colombiana de Entomología, 2018 Biological control is a viable alternative to chemical control; however, some methods of releasing control agents still need to be improved in order to attract the attention of producers and to reduce costs. Therefore, this work was conducted to evaluate the effects of hydraulic spray nozzles on the viability and infectivity of ...
Batista de Alvarenga, Cleyton +5 more
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Agricultural Water Management, 2023 The instability of photovoltaic output leads to pressure fluctuations, and the high investment, low water head of traditional energy storage and pressure regulation measures have seriously limited the application of solar powered sprinkler irrigation ...
Qianwen Zhang +6 more
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Mortality of Tuta absoluta by sprayers deposit volume structure [PDF]
Ciência Rural: In the scientific toxicity evaluations of insecticides against larvae of Tuta absoluta (Tomato pinworm), a leaf coverage rate of 100 % or very close to this value is sought to guarantee the contact of the insect with the chemical product.
Gefferson Pereira da Paixão +4 more
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