Results 61 to 70 of about 11,538 (196)

Rehabilitation closure criteria assessment using high resolution photogrammetrically derived surface models [PDF]

, 2013
Relinquishment of mined land is unlikely to occur without compelling evidence that post mine landforms have a sustainable vegetation cover and represent a minimal liability to subsequent land users.
Erskine, P.D., Fletcher, A.T.
core   +2 more sources

A Data-Driven Dynamic Obstacle Avoidance Method for Liquid-Carrying Plant Protection UAVs

Agronomy, 2022
Autonomous sprayer UAVs are one of the most used aerial machines in modern agriculture. During flight missions, some common narrow obstacles appear in the flying zone. These are non-detectable from satellite images and one of the biggest challenges for autonomous sprayer UAVs in farmland.
Shibbir Ahmed, Baijing Qiu, Chun-Wei Kong, Huang Xin, Fiaz Ahmad, Jinlong Lin   +5 more
openaire   +2 more sources

Effects on Control Efficacy of Pesticide-Adjuvants Mixture against Rice Chilo Suppressalis(walker) Based on Plant Protection Unmanned Aerial Vehicle

智慧农业, 2021
To explore the effect of pesticide-adjuvants mixture on the control efficacy against Rice Chilo Suppressalis(walker). This study designed a three-factor, three-level orthogonal experiments with pesticides (10% emamectin benzoate·indoxacard SC, 5 ...
ZI Le, ZANG Yu, HUANG Junhao, BAO Ruifeng, ZHOU Zhiyan, XIAO Hanxiang   +5 more
doaj   +1 more source

Fine-Scale Plant Species Identification in a Poor Fen and Integration of Techniques and Instrumentation in a Classroom Setting [PDF]

, 2015
Refining carbon flux measurements in the carbon cycle is an ongoing challenge. This study attempted to identify plant species in Sallie’s Fen, a nutrient-poor fen in Barrington, New Hampshire, at a fine scale in order to better model and understand ...
Schiff, Dylan
core   +1 more source

Evaluating the potential of Unmanned Aerial Systems for mapping weeds at field scales: A case study with Alopecurus myosuroides [PDF]

, 2017
Summary: Mapping weed densities within crops has conventionally been achieved either by detailed ecological monitoring or by field walking, both of which are time-consuming and expensive.
Audsley, Austin, Ballesteros, Barnett, Blair, Breiman, Brenchley, Bryson, Chauhan, Collett, Craufurd, Cuneo, De Castro, Dvořák, Fawcett, Freckleton, Fried, Gabriel, Heard, Henckel, Huang, Hung, Joseph, Kerr, Lamb, Lancahsire, Lawrence, Lintell Smith, López-Granados, Marshall, Marshall, Moshou, Nonami, Nordmeyer, Pena, Pettorelli, Pettorelli, Preston, Primicerio, Queenborough, Quinlan, Rango, Rasmussen, Shorter, Storkey, Taylor, Thornton, Thorp, Timmermann, Torres-Sánchez, Torres-Sánchez, Tredennick, Turner, Twining, Westbury, Wilson, Xie, Zhang   +57 more
core   +2 more sources

Opportunities and limitations of crop phenotyping in southern european countries [PDF]

, 2019
ReviewThe Mediterranean climate is characterized by hot dry summers and frequent droughts. Mediterranean crops are frequently subjected to high evapotranspiration demands, soil water deficits, high temperatures, and photo-oxidative stress.
Baris Uzilday, Carla Pinheiro, Carla Pinheiro, Francesco Loreto, Ismail Turkan, Joaquim Miguel Costa, Jorge Marques da Silva, Maria Margarida Oliveira, Matilde Barón, Matthew Haworth, Mauro Centritto, Photini Mylona   +11 more
core   +3 more sources

Methane Mitigation:Methods to Reduce Emissions, on the Path to the Paris Agreement [PDF]

, 2020
The atmospheric methane burden is increasing rapidly, contrary to pathways compatible with the goals of the 2015 United Nations Framework Convention on Climate Change Paris Agreement.
al-Shalaan, A., Allen, G., Bakkaloglu, S., Broderick, T. J., Cain, M., Coleman, M., Fernandez, J., Fisher, R. E., Forster, G., France, J. L., Griffiths, P. T., Iverach, C. P., Kelly, B. F.J., Lowry, D., Manning, M. R., Nisbet, E. G., Nisbet-Jones, P. B.R., Pyle, J. A., Townsend-Small, A., Warwick, N., Zazzeri, G.   +20 more
core   +1 more source

Evaluating the Variability of Urban Land Surface Temperatures Using Drone Observations [PDF]

, 2019
Urbanization and climate change are driving increases in urban land surface temperatures that pose a threat to human and environmental health. To address this challenge, we must be able to observe land surface temperatures within spatially complex urban ...
McDonald, Walter M., Naughton, Joseph
core   +1 more source

Investigating the use of unmanned plant machinery on construction sites [PDF]

, 2010
The UK Construction Sector has been estimated to contribute 8% of the UK’s GDP [1]. The worldwide recession has forced construction companies to introduce and adopt cost saving measures to increase productivity.
Barlow, Chris, Bell, Jonathon, Brazinskas, Mantas, Erbil, Mehmet Ali, Irps, Thomas, Karamanoglu, Mehmet, Lewis, Darren, Mielniczek, Witold, Prior, Stephen D.   +8 more
core  

Research on a UAV spray system combined with grid atomized droplets

Frontiers in Plant Science
BackgroundsUAVs for crop protection hold significant potential for application in mountainous orchard areas in China. However, certain issues pertaining to UAV spraying need to be addressed for further technological advancement, aimed at enhancing crop ...
Xiuyun Xue, Xiuyun Xue, Xiuyun Xue, Xiuyun Xue, Yu Tian, Zhenyu Yang, Zhen Li, Zhen Li, Zhen Li, Zhen Li, Shilei Lyu, Shilei Lyu, Shilei Lyu, Shilei Lyu, Shuran Song, Shuran Song, Shuran Song, Daozong Sun, Daozong Sun, Daozong Sun   +19 more
doaj   +1 more source