Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Sam Dennis"'
Publikováno v:
Agronomy, Vol 14, Iss 11, p 2706 (2024)
Weed canopy cover assessment, particularly using drone-acquired data, plays a vital role in precision agriculture by providing accurate, timely, and spatially detailed information, enhancing weed management decision-making in response to environmenta
Externí odkaz:
https://doaj.org/article/861ad3d7169f405681e063eb5bfd020f
Publikováno v:
Agriculture, Vol 14, Iss 5, p 760 (2024)
The percent canopy cover and health of winter wheat are important crop performance indicators. Thus, understanding how tillage management practices affect these indicators is beneficial for improving crop performance and consequently yield. The avail
Externí odkaz:
https://doaj.org/article/a0a9de11c24b41dfa0422ef45edcf09d
Autor:
Clement E. Akumu, Sam Dennis
Publikováno v:
Drones, Vol 7, Iss 4, p 277 (2023)
The detection and mapping of winter wheat and the canopy cover of associated weeds, such as chickweed and hairy buttercup, are essential for crop and weed management. With emerging drone technologies, the use of a multispectral camera with the red-ed
Externí odkaz:
https://doaj.org/article/5825123efde941ecae7632bc42d7523b
Autor:
Sam Dennis Otieno
Publikováno v:
Tydskrif vir Letterkunde, Vol 58, Iss 1 (2021)
Externí odkaz:
https://doaj.org/article/a64e3688215340d79628df9f9b34869f
Autor:
Sam Dennis Otieno
Publikováno v:
Cogent Arts & Humanities, Vol 8, Iss 1 (2021)
Music has always been a reservoir of African cultures and histories. Through music, we can trace the experiences of particular communities at specific moments in history. It has been used to entertain, educate, as well as preserve the histories of co
Externí odkaz:
https://doaj.org/article/ecb8e7372f02409ba8b9d7fabaf2d870
Autor:
Dafeng Hui, Chih-Li Yu, Qi Deng, E Kudjo Dzantor, Suping Zhou, Sam Dennis, Roger Sauve, Terrance L Johnson, Philip A Fay, Weijun Shen, Yiqi Luo
Publikováno v:
PLoS ONE, Vol 13, Iss 2, p e0192555 (2018)
Climate changes, including chronic changes in precipitation amounts, will influence plant physiology and growth. However, such precipitation effects on switchgrass, a major bioenergy crop, have not been well investigated. We conducted a two-year prec
Externí odkaz:
https://doaj.org/article/2b9d313fbe5c4b418be68f4b37087cf6
Autor:
Qi Deng, Dafeng Hui, Junming Wang, Stephen Iwuozo, Chih-Li Yu, Tigist Jima, David Smart, Chandra Reddy, Sam Dennis
Publikováno v:
PLoS ONE, Vol 10, Iss 4, p e0125406 (2015)
A three-year field experiment was conducted to examine the responses of corn yield and soil nitrous oxide (N2O) emission to various management practices in middle Tennessee.The management practices include no-tillage + regular applications of urea am
Externí odkaz:
https://doaj.org/article/8520b5b5eb844fa1b800bef7f4f8adbc
Autor:
Clement E. Akumu, Sam Dennis
Publikováno v:
Photogrammetric Engineering & Remote Sensing. 88:243-253
The mapping and change detection of land cover and land use are essential for urban management. The aim of this study was to map and monitor the spatial and temporal change in urban land cover and land use in Davidson County, Tennessee in the periods
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7b7088fb97d20bb41c529977b7b6bd6
https://doi.org/10.14358/pers.21-00042r3
https://doi.org/10.14358/pers.21-00042r3
Autor:
Sam Dennis Otieno
Publikováno v:
Eastern African Literary and Cultural Studies. 8:113-116
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6004bd7cfc8d191120db59ab319abca3
https://doi.org/10.1080/23277408.2021.1896886
https://doi.org/10.1080/23277408.2021.1896886
Publikováno v:
Global Ecology and Biogeography. 26:713-728
Aim Anthropogenic additions of nitrogen (N) are expected to drive terrestrial ecosystems toward greater phosphorus (P) limitation. However, a comprehensive understanding of how an ecosystem's P cycle responds to external N inputs remains elusive, mak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c30ec1e3ed2bebc29d51761128c289e0
https://doi.org/10.1111/geb.12576
https://doi.org/10.1111/geb.12576