Zobrazeno 1 - 10
of 170
pro vyhledávání: '"crop factor"'
Autor:
Hesham Marei
Publikováno v:
Journal of Architecture, Art & Humanistic Science, Vol 6, Iss 29, Pp 476-494 (2021)
The size of the camera sensor has a very important impact on the quality and quantity of details that can be obtained in the image, as is the case in films, the greater the area of the image that is formed on the camera sensor, the less one will have
Externí odkaz:
https://doaj.org/article/6dc9b5cd23c446e48d18b8d2d9548624
Akademický článek
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Publikováno v:
Water SA, Volume: 49, Issue: 2, Pages: 155-163, Published: APR 2023
Water SA; Vol. 49 No. 2 (2023); 155–163
Water SA; Vol. 49 No. 2 (2023); 155–163
In South Africa canola (Brassica napus L.) is cultivated in rotation with wheat under winter rainfall in the Western Cape Province, primarily for seed to make oil. Expansion of the crop to the other 8 provinces is proposed to reduce shortages of loca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4930087fe9ed017930436633649f3b0f
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1816-79502023000200006&lng=en&tlng=en
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S1816-79502023000200006&lng=en&tlng=en
Autor:
Teshome, Hana, Amente, Gelana
Publikováno v:
Journal of Equity in Sciences and Sustainable Development; Vol. 5 No. 2 (2022); 62-82
Among several alien weeds Eichhornia Crassipes (water hyacinth) is ranked as one of the world’s worst invasive weeds due to its ability to rapidly cover the entire water surface. This weed was introduced in Ethiopia in 1964 but its aggressiveness h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8ac9e4923732b5518a0a89389f8faa6
Publikováno v:
Irrigation Science. 39:633-649
Crop evapotranspiration (ETc) and crop coefficient (Kc) estimation are important in irrigation scheduling. Evapotranspiration estimation is mostly done by Penman–Montieth method. Though Penman–Montieth method is adopted for drip irrigation, there
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21d2481f7d815fc07fa1a9fae453a903
https://doi.org/10.1007/s00271-021-00734-2
https://doi.org/10.1007/s00271-021-00734-2
Akademický článek
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Publikováno v:
Ûg Rossii: Èkologiâ, Razvitie, Vol 15, Iss 1, Pp 79-88 (2020)
Aim. Verification of scientific concepts regarding the spatial heterogeneity of field agrocenoses. Identification of the variability of phytometric and structural crop ndicators and determination of the degree of their influence on the yield and qual
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54345b625a425a9229fe921245db5826
https://doi.org/10.18470/1992-1098-2020-1-79-88
https://doi.org/10.18470/1992-1098-2020-1-79-88
Autor:
Chenghai Yang, Jian Zhang, Jing Xie, Yeyin Shi, Dongyan Zhang, Bo Wang, Chufeng Wang, Liangzhi You, Guangsheng Zhou, Zhao Jiang
Publikováno v:
Precision Agriculture. 21:1092-1120
The objective of this study was to evaluate the crop monitoring performance of a consumer-grade camera with non-modified and modified spectral ranges which are commonly used in low-altitude unmanned aerial vehicle (UAV) platforms. The camera was fixe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef8cce96ef8b70fc0ece1dd0a4dd8042
https://doi.org/10.1007/s11119-020-09710-w
https://doi.org/10.1007/s11119-020-09710-w
Publikováno v:
Acta Agronomica Sinica. 46:950-959
The normalized difference vegetation index (NDVI) is an important parameter to reflect relative chlorophyll content and nitrogen level of crops, but NDVI’s ability to estimate nitrogen nutrition is affected by varieties and growth period. The field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a62c30b53eac2d7983c931d55c250112
https://doi.org/10.3724/sp.j.1006.2020.94121
https://doi.org/10.3724/sp.j.1006.2020.94121