Results 31 to 40 of about 2,540,300 (215)

Preliminary Evaluation of Spraying Quality of Multi-Unmanned Aerial Vehicle (UAV) Close Formation Spraying

open access: yesAgriculture, 2022
Chemical application using unmanned aerial vehicles (UAVs) has received significant attention from researchers and the market in recent years. The concept of using drones for collaborative spraying was proposed by manufacturers for improving intelligence
Pengchao Chen   +3 more
doaj   +1 more source

Eficácia da utilização de grânulos de argila como veículo para a aplicação aérea de sulfentrazone e isoxaflutole em área de implantação de eucalipto Efficacy of the aerial application of the herbicides sulfentrazone and isoxaflutole using clay granules in eucalyptus area

open access: yesPlanta Daninha, 2010
Realizou-se um experimento em uma área de implantação da cultura do eucalipto no município de São Miguel Arcanjo-SP, com o objetivo de avaliar a eficácia da aplicação aérea de grânulos de argila como veículo dos herbicidas sulfentrazone e isoxaflutole ...
C.A. Carbonari   +4 more
doaj   +1 more source

Influence of spray mixture volume and flight height on herbicide deposition in aerial applications on pastures [PDF]

open access: yesPlanta Daninha, 2014
The objective of the present study was to analyze the influence of spray mixture volume and flight height on herbicide deposition in aerial applications on pastures.
M.A.P. Oliveira   +8 more
doaj   +2 more sources

U.S. Agriculture, Biofuel Markets, and Trade: Challenges and Opportunities

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Using an enhanced Computable General Equilibrium (CGE) model (GTAP‐BIO), this study assesses how the expansion in demand for Electric Vehicles (EVs) and the reduction in exports of agricultural products induced by trade disputes negatively affect US agriculture.
Rayan Wolf, Farzad Taheripour
wiley   +1 more source

Point Cloud Completion of Plant Leaves under Occlusion Conditions Based on Deep Learning

open access: yesPlant Phenomics, 2023
The utilization of 3-dimensional point cloud technology for non-invasive measurement of plant phenotypic parameters can furnish important data for plant breeding, agricultural production, and diverse research applications.
Haibo Chen   +6 more
doaj   +1 more source

Integrating Perennial Groundcover in Corn and Soybean Acres: Impacts on U.S. Agriculture

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Sustainable agricultural practices such as cover cropping can improve soil health, water quality, and carbon sequestration, yet U.S. adoption remains limited due to economic and operational barriers. We evaluate market and economic impacts of integrating perennial groundcover into U.S.
Sagar Dahal, Amani Elobeid, John Crespi
wiley   +1 more source

Droplet Deposition and Control of Planthoppers of Different Nozzles in Two-Stage Rice with a Quadrotor Unmanned Aerial Vehicle

open access: yesAgronomy, 2020
Previous studies have confirmed that choosing nozzles that produce coarser droplets could reduce the risk of pesticide spray drift, but this conclusion is based on a large volume of application, and it is easy to ignore how this impacts the control ...
Pengchao Chen   +7 more
doaj   +1 more source

Unveiling opportunities and challenges for a circular approach to macaúba biorefining: a technological roadmap

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract The macaúba fruit, native to tropical and subtropical regions, has received considerable attention in recent years as a promising raw material for the production of advanced biofuels in Brazil. However, the development of large‐scale biomass requires overcoming significant challenges, such as designing circular biorefineries.
Fábio de A. Oroski   +3 more
wiley   +1 more source

Interactive Framework on Absorptive Capacity and Organizational Learning for Circular Economy Transition

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The transition to a circular economy (CE) requires organizations to move beyond linear production systems toward regenerative, resource‐efficient models. For small and medium‐sized enterprises (SMEs), this transition is especially demanding due to constrained financial, technological, and human resources.
Hadi Zarea
wiley   +1 more source

Application Progress of UAV-LARS in Identification of Crop Diseases and Pests

open access: yesAgronomy, 2023
Disease and pest stress is one of the important threats to crop growth and development, which have a very adverse impact on crop yield and quality every year, even leading to crop failure.
Gaoyuan Zhao   +9 more
doaj   +1 more source

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