Results 1 to 10 of about 1,984,687 (355)

Determining the causes of electricity losses and the role of management in curbing them: A case study of City of Tshwane Metropolitan Municipality, South Africa

open access: yesJournal of Energy in Southern Africa, 2021
The problem of energy losses, both nationally and internationally, is a leading cause for the financial collapse of most utilities. A quantitative research approach was adopted for this study where a questionnaire was used to collect information from the
Bongani Khonjelwayo   +1 more
doaj   +1 more source

Glycine Betaine-Mediated Root Priming Improves Water Stress Tolerance in Wheat (Triticum aestivum L.)

open access: yesAgriculture, 2021
Droughts represent one of the main challenges that climate change imposes on crop production. As a globally cultivated staple crop, wheat (Triticum aestivum L.) is prone to drought environments.
Nazir Ahmed   +5 more
doaj   +1 more source

Evaluation of Different Chemical Mechanisms on O3 and PM2.5 Predictions in Alberta, Canada

open access: yesApplied Sciences, 2022
We evaluated the uncertainty associated with secondary pollutants formation due to different chemical mechanisms in photochemical modelling. The CMAQ modelling system was utilized in conjunction with CB6R3, SAPRC07, and RACM2 chemical mechanisms and ...
Mujtaba Shareef   +4 more
doaj   +1 more source

Improving maize grain yield by formulating plant growth regulator strategies in North China

open access: yesJournal of Integrative Agriculture, 2021
Plant growth regulators (PGRs) are artificially synthesized compounds that have become an important technical guarantee for agricultural production. EDAH (containing 27% ethephon and 3% DA-6) has been proven to inhibit stalk elongation, promote stalk ...
Li-sha GONG   +7 more
doaj   +1 more source

Investment in electricity distribution capital infrastructure in South Africa: The role of regulation

open access: yesSouth African Journal of Economic and Management Sciences, 2020
Background: The electricity distribution industry in South Africa is faced with numerous challenges that include distribution capacity shortages and backlog in investments.
Bongani Khonjelwayo   +1 more
doaj   +1 more source

Optimizing the application of a novel harvest aid to improve the quality of mechanically harvested cotton in the North China Plain

open access: yesJournal of Integrative Agriculture, 2021
Defoliation is an indispensable step in cotton production with mechanical harvesting, especially in the North China Plain (NCP) where mechanical harvesting is limited by a large proportion of green leaves and unopened bolls at harvest time due to ...
Lu MENG   +7 more
doaj   +1 more source

Cotton maturity and responses to harvest aids following chemical topping with mepiquat chloride during bloom period

open access: yesJournal of Integrative Agriculture, 2022
Early maturity, complete defoliation and boll opening are essential for the efficient machine harvesting of cotton. Chemical topping, involving one extra application of mepiquat chloride (MC) in addition to its traditional multiple-application strategy ...
Hai-kun QI   +7 more
doaj   +1 more source

Meta-QTL analysis explores the key genes, especially hormone related genes, involved in the regulation of grain water content and grain dehydration rate in maize

open access: yesBMC Plant Biology, 2022
Background Low grain water content (GWC) at harvest of maize (Zea mays L.) is essential for mechanical harvesting, transportation and storage. Grain drying rate (GDR) is a key determinant of GWC.
Wei Wang   +8 more
doaj   +1 more source

Infrastructure development within a regulated environment: Concerns for regulators

open access: yesJournal of Economic and Financial Sciences, 2014
Poor delivery of infrastructure leads to inefficient pricing of these assets, which is passed through to consumers. Inefficient pricing is caused by a poor selection of a funding and financing method as well as project overruns.
Zaakirah Ismail   +3 more
doaj   +1 more source

Monitoring of Cotton Boll Opening Rate Based on UAV Multispectral Data

open access: yesRemote Sensing, 2023
Defoliation and accelerating ripening are important measures for cotton mechanization, and judging the time of defoliation and accelerating the ripening and harvest of cotton relies heavily on the boll opening rate, making it a crucial factor to consider.
Yukun Wang   +14 more
doaj   +1 more source

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