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Authors = S.K. Sharma

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22 pages, 6987 KiB  
Article
Post-Emergence Herbicides for Effective Weed Management, Enhanced Wheat Productivity, Profitability and Quality in North-Western Himalayas: A ‘Participatory-Mode’ Technology Development and Dissemination
by Anil K. Choudhary, D.S. Yadav, Pankaj Sood, Shakuntla Rahi, Kalpana Arya, S.K. Thakur, Ramesh Lal, Subhash Kumar, Jagdev Sharma, Anchal Dass, Subhash Babu, R.S. Bana, D.S. Rana, Adarsh Kumar, Sudhir K. Rajpoot, Gaurendra Gupta, Anil Kumar, Harish M.N., A.U. Noorzai, G.A. Rajanna, Mohammad Halim Khan, V.K. Dua and Raj Singhadd Show full author list remove Hide full author list
Sustainability 2021, 13(10), 5425; https://doi.org/10.3390/su13105425 - 12 May 2021
Cited by 29 | Viewed by 6354
Abstract
‘Participatory-mode’ adaptive research was conducted in wheat in north-western Himalayas (NWH) during 2008–2014 to develop an improved chemical weed management (ICWM) technology. First of all, two years ‘on-farm experimentation’ was performed in a randomized block design at 10 locations in NWH using seven [...] Read more.
‘Participatory-mode’ adaptive research was conducted in wheat in north-western Himalayas (NWH) during 2008–2014 to develop an improved chemical weed management (ICWM) technology. First of all, two years ‘on-farm experimentation’ was performed in a randomized block design at 10 locations in NWH using seven treatments (Clodinafop @ 60 g a.i./ha (Clod); Clod followed by 2,4-D (Na-salt) @ 1.0 kg a.i./ha (Clod-fb-D); Isoproturon 75 WP @ 1.0 kg a.i./ha (Iso); Iso + D; Sulfosulfuron 75% WG @ 25 g a.i./ha + Metsulfuron 5% WG @ 2 g a.i./ha (Sulf + Met); weed-free-check; and un-weeded-check). In this study, the post-emergence application of Sulf + Met reported the lowest weed-index and NPK depletion by weeds with higher weed control efficiency (86.4%), weed control index (81.1%) and herbicide efficiency index (2.62) over other herbicides. Sulf + Met exhibited significantly higher wheat productivity (3.57 t/ha), protein yield, net-returns and water-productivity, which was followed by Iso + D and Clod-fb-D, all of which remained statistically at par with each other. An impact assessment of intensive technology-transfer programme (2008–2014) revealed a higher technology adoption rate (71–98%) of ICWM leading to higher wheat productivity (~22%) and net income gains (2.8–26.4%) in NWH. Overall, Sulf + Met proved highly effective against mixed weed flora in wheat to boost wheat productivity, profitability, quality and water productivity in addition to a higher technology adoption rate and NIGs to transform rural livelihoods in NWH. Full article
(This article belongs to the Special Issue Soil Health Restoration and Environmental Management)
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11 pages, 3337 KiB  
Article
Ultrawide Color Gamut Perovskite and CdSe/ZnS Quantum-Dots-Based White Light-Emitting Diode with High Luminous Efficiency
by Chih-Hao Lin, Chieh-Yu Kang, Akta Verma, Tingzhu Wu, Yung-Min Pai, Tzu-Yu Chen, Chun-Lin Tsai, Ya-Zhu Yang, S.K. Sharma, Chin-Wei Sher, Zhong Chen, Po-Tseng Lee, Shu-Ru Chung and Hao-Chung Kuo
Nanomaterials 2019, 9(9), 1314; https://doi.org/10.3390/nano9091314 - 14 Sep 2019
Cited by 23 | Viewed by 6023
Abstract
We demonstrate excellent color quality of liquid-type white light-emitting diodes (WLEDs) using a combination of green light-emitting CsPbBr3 and red light-emitting CdSe/ZnS quantum dots (QDs). Previously, we reported red (CsPbBr1.2I1.8) and green (CsPbBr3) perovskite QDs (PQDs)-based [...] Read more.
We demonstrate excellent color quality of liquid-type white light-emitting diodes (WLEDs) using a combination of green light-emitting CsPbBr3 and red light-emitting CdSe/ZnS quantum dots (QDs). Previously, we reported red (CsPbBr1.2I1.8) and green (CsPbBr3) perovskite QDs (PQDs)-based WLEDs with high color gamut, which manifested fast anion exchange and stability issues. Herein, the replacement of red PQDs with CdSe/ZnS QDs has resolved the aforementioned problems effectively and improved both stability and efficiency. Further, the proposed liquid-type device possesses outstanding color gamut performance (132% of National Television System Committee and 99% of Rec. 2020). It also shows a high efficiency of 66 lm/W and an excellent long-term operation stability for over 1000 h. Full article
(This article belongs to the Special Issue Quantum Dots and Micro-LED Display)
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9 pages, 1028 KiB  
Article
High-Grade Glioma Management and Response Assessment—Recent Advances and Current Challenges
by M.N. Khan, A.M. Sharma, M. Pitz, S.K. Loewen, H. Quon, A. Poulin and M. Essig
Curr. Oncol. 2016, 23(4), 383-391; https://doi.org/10.3747/co.23.3082 - 1 Aug 2016
Cited by 39 | Viewed by 1341
Abstract
The management of high-grade gliomas (hggs) is complex and ever-evolving. The standard of care for the treatment of hggs consists of surgery, chemotherapy, and radiotherapy. However, treatment options are influenced by multiple factors such as patient age and performance status, extent [...] Read more.
The management of high-grade gliomas (hggs) is complex and ever-evolving. The standard of care for the treatment of hggs consists of surgery, chemotherapy, and radiotherapy. However, treatment options are influenced by multiple factors such as patient age and performance status, extent of tumour resection, biomarker profile, and tumour histology and grade. Follow-up cranial magnetic resonance imaging (mri) to differentiate treatment response from treatment effect can be challenging and affects clinical decision-making. An assortment of advanced radiologic techniques—including perfusion imaging with dynamic susceptibility contrast mri, dynamic contrast-enhanced mri, diffusion-weighted imaging, proton spectroscopy, mri subtraction imaging, and amino acid radiotracer imaging—can now incorporate novel physiologic data, providing new methods to help characterize tumour progression, pseudoprogression, and pseudoresponse. In the present review, we provide an overview of current treatment options for hgg and summarize recent advances and challenges in imaging technology. Full article
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