8 Result(s)
within
Seung Hwa Yu
Agriculture
-
Article
Genome divergence in Brassica rapa subspecies revealed by whole genome analysis on a doubled-haploid line of turnip
Subspecies of Brassica rapa are morphologically and genetically diverse, and include a variety of fresh vegetables grown worldwide. Among them, turnip (B. rapa subsp. rapa) produces a large bulbous taproot, and t...
-
Article
Properties of self-sterile but cross-fertile allopolyploids synthesized between Brassica rapa and Raphanus sativus
To expand the availability of intergeneric allopolyploids between Brassica rapa and Raphanus sativus beyond BB#1, a stable xBrassicoraphanus koranhort (baemoochae) cultivar (2n = 38, aAARR genome), we developed f...
-
Article
Evaluation of Spray Characteristics of Pesticide Injection System in Agricultural Drones
This study aims to verify that the characteristics of the typical injection pumps and nozzles used in pesticide injection systems in current agricultural drones in Korea are consistent with those presented in ...
-
Article
Effect of Injection Angle on Drift Potential Reduction in Pesticide Injection Nozzle Spray Applied in Domestic Agricultural Drones
In this study, the atomization characteristics and drift potential of injection nozzles used in the pesticide injection system of agricultural drones currently used in Korea are evaluated. Furthermore, technic...
-
Article
Experimental Analysis of the Downwash Airflow Created by a Single Rotor Blade in Agricultural Drones
The downwash flow produced by agricultural drones has a great influence on the coverage ratio and the drift potential of pesticide spray droplets. Therefore, the configuration of the boom and the position of t...
-
Article
Design and Performance Evaluation of Air Induction (AI) Nozzles to Reduce Drift Potential for Agricultural Unmanned Aerial Vehicles (UAVs)
This study aims to develop a low-drift air induction (AI) nozzle that meets the requirements of agricultural control unmanned aerial vehicles (UAVs). An AI nozzle was designed and manufactured to satisfy the d...
-
Article
Optimization of Bucket Size of Garlic Metering Device Using Multibody Dynamics Simulation
As planting is one of the laborious tasks in garlic farming, the mechanization of the process is necessary. The missing-plant rate is an important performance index of the garlic planter, and a simulation meth...
-
Article
Dynamic Beehive Detection and Tracking System Based on YOLO V5 and Unmanned Aerial Vehicle
With urban development and improvements in human living conditions, wild beehives in densely populated areas present a threat to human safety. The traditional manual method of clear beehives may result in seco...
