Results 31 to 40 of about 129,301 (314)

Effect of foliar application urea and micro elements on germination characteristic, seedling vigour and emergence seeds generative chickpea (Cicer arietinum L). [PDF]

open access: yesعلوم و فناوری بذر ایران, 2017
In order to determine the effects of the foliar applicationof ureaand micro elements during growth periods of maternal plants on germination, vigor and greening of produced chickpea seeds (Kabuli), an experiment was carried out in a randomized complete ...
H. Gholami   +3 more
doaj   +1 more source

To spray or not to spray?

open access: yesASCILITE Publications, 2009
A scenario-based exercise was developed to expose third-year degree-level horticultural students to the complexities of modern orchard pest and disease management. Using scenarios developed and presented with the e-learning tool SBL Interactive, students are required to analyze four successive scenarios set at different growth stages in the crop, and ...
Terry M. Stewart, Mark E. Brown
openaire   +1 more source

To assess whether indoor residual spraying can provide additional protection against clinical malaria over current best practice of long-lasting insecticidal mosquito nets in The Gambia: study protocol for a two-armed cluster-randomised trial. [PDF]

open access: yes, 2011
BACKGROUND: Recently, there has been mounting interest in scaling-up vector control against malaria in Africa. It needs to be determined if indoor residual spraying (IRS with DDT) will provide significant marginal protection against malaria over current ...
Jeffries, David   +31 more
core   +1 more source

Trends in the selection of insecticide resistance in Anopheles gambiae s.l. mosquitoes in northwest Tanzania during a community randomized trial of longlasting insecticidal nets and indoor residual spraying. [PDF]

open access: yes, 2014
Anopheles gambiae s.l. (Diptera: Culicidae) in Muleba, Tanzania has developed high levels of resistance to most insecticides currently advocated for malaria control. The kdr mutation has almost reached fixation in An. gambiae s.s. in Muleba.
Wright, A   +19 more
core   +1 more source

Effect of Foliar Application of Organic Fertilizers Extracts on Agronomic Traits and Yield Quality and Quantity of Six Moldavian Balm Ecotypes [PDF]

open access: yesپژوهشهای زراعی ایران, 2020
Introduction Today, medicinal plants have a special place in the pharmaceutical, food and cosmetic industries. Moldavian balm (Dracocephalum Moldavica L.) is an herbaceous annual plant belonging to the Lamiaceae family.
R Aghaee Okhchelar   +3 more
doaj   +1 more source

Nets, Spray or Both? The Effectiveness of Insecticide-Treated Nets and Indoor Residual Spraying in Reducing Malaria Morbidity and Child Mortality in sub-Saharan Africa. [PDF]

open access: yes, 2013
Malaria control programmes currently face the challenge of maintaining, as well as accelerating, the progress made against malaria with fewer resources and uncertain funding. There is a critical need to determine what combination of malaria interventions
Roy Burstein   +9 more
core   +1 more source

Design of Plant Protection UAV Variable Spray System Based on Neural Networks

open access: yesSensors, 2019
Recently, unmanned aerial vehicles (UAVs) have rapidly emerged as a new technology in the fields of plant protection and pest control in China. Based on existing variable spray research, a plant protection UAV variable spray system integrating neural ...
Sheng Wen   +5 more
doaj   +1 more source

ANALYZING SPRAY COVERAGE AND DEPOSITION USING SPRAYING DRONES IN VINEYARDS [PDF]

open access: yes, 2023
openIn modern agriculture, the precise and efficient application of agrochemicals is vital for crop protection and productivity while minimizing environmental impact.
UYAR, HAVVA
core  

Comparison of Spray Deposition, Control Efficacy on Wheat Aphids and Working Efficiency in the Wheat Field of the Unmanned Aerial Vehicle with Boom Sprayer and Two Conventional Knapsack Sprayers

open access: yesApplied Sciences, 2019
As a new low volume application technology, unmanned aerial vehicle (UAV) application is developing quickly in China. The aim of this study was to compare the droplet deposition, control efficacy and working efficiency of a six-rotor UAV with a self ...
Guobin Wang   +6 more
doaj   +1 more source

RESPONSE OF GROWTH AND PRODUCTIVITY OF TOMATO FOR SPRAYING WITH BOTANICAL EXTRACTS AND CHEMICAL AND ORGANIC FERTILIZER UNDER GREENHOUSE CONDITIONS [PDF]

open access: yesمجلة الأنبار للعلوم الزراعية, 2022
Two experiments were conducted in a plastic house at AL-Latifia Research Station, Agricultural Research Directorate, Plant Breeding and Improvement Center during the spring season of 2018 to study the response of growth and productivity of tomatoes for ...
S. Ahmed   +4 more
doaj   +1 more source

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