Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Henryk Ratajkiewicz"'
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Akademický článek
Estimation of Soil Surface Roughness Parameters Under Simulated Rainfall Using Spectral Reflectance in Optical Domain
Autor: Karolina Herodowicz‐Mleczak, Jan Piekarczyk, Henryk Ratajkiewicz, Jakub Nowosad, Szymon Śledź, Cezary Kaźmierowski, Sławomir Królewicz, Roman Kierzek
Publikováno v: Earth and Space Science, Vol 10, Iss 8, Pp n/a-n/a (2023)
Abstract The purpose of the study was to evaluate the possibility of parameterizing the state of soil surface roughness (SSR) based on proximal measurements of spectral reflectance in the VIS‐NIR range, which is important for the needs of monitorin
Externí odkaz: https://doaj.org/article/0d89ff4851b64973a2653a1870d3e2e3
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2
Akademický článek
Assessment of the impact of climate change on the latency period of leaf rust on triticale in Poland
Autor: Andrzej Wójtowicz, Marek Wójtowicz, Roland Sigvald, Bartosz Czernecki, Henryk Ratajkiewicz, Agnieszka Łacka, Maciej Zacharczuk, Maria Pasternak
Publikováno v: Acta Agriculturae Scandinavica. Section B, Soil and Plant Science, Vol 70, Iss 3, Pp 195-207 (2020)
Disease development in plants is strongly dependent on weather conditions, with temperature playing a particularly significant role by influencing latency period duration. Using two models describing the relationship between latency period and temper
Externí odkaz: https://doaj.org/article/20693ac1dc1d4e329fb6877aee3c0d78
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3
Akademický článek
The effect of coarse-droplet spraying with double flat fan air induction nozzle and spray volume adjustment model on the efficiency of fungicides and residues in processing tomato
Autor: Henryk Ratajkiewicz, Roman Kierzek, Michał Raczkowski, Agnieszka Hołodyńska-Kulas, Agnieszka Łacka, Tomasz Szulc
Publikováno v: Spanish Journal of Agricultural Research, Vol 16, Iss 1, Pp e1001-e1001 (2018)
The study was conducted for the purpose of improving the application of fungicides against potato late blight (Phytophthora infestans (Mont.) de Bary) (PLB) in processing tomato. The usability of coarse spray quality with double flat fan air inductio
Externí odkaz: https://doaj.org/article/d530623accaf4304a3cf9c863a2f6022
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4
Akademický článek
EXOGENUS ‘GA3’ AND ‘GA4+7’ EFFECTS ON PHENOLOGICAL INDICES, FROST HARDINESS AND QUALITY PROPERTIES OF ‘ENGLISH MORELLO’ SOUR CHERRY (Prunus cerasus L.)
Autor: Robert Kurlus, Sławomir Świerczyński, Krzysztof Rutkowski, Henryk Ratajkiewicz, Agnieszka Malinowska, Aleksandra Wyrwał
Publikováno v: Acta Scientiarum Polonorum: Hortorum Cultus, Vol 16, Iss 6 (2017)
Exogenous gibberellins GA3 and GA4+7 treatments on ‘English Morello’ sour cherry trees 58 days after anthesis were evaluated in relation to their effect on fruit firmness, size distribution, colour development, titratable acidity to firmness rati
Externí odkaz: https://doaj.org/article/28662fbdc1704b418bf9a595a1230986
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5
Akademický článek
Effect of the spray volume adjustment model on the efficiency of fungicides and residues in processing tomato
Autor: Henryk Ratajkiewicz, Roman Kierzek, Michał Raczkowski, Agnieszka Hołodyńska-Kulas, Agnieszka Łacka, Andrzej Wójtowicz, Marek Wachowiak
Publikováno v: Spanish Journal of Agricultural Research, Vol 14, Iss 3, Pp e1007-e1007 (2016)
This study compared the effects of a proportionate spray volume (PSV) adjustment model and a fixed model (300 L/ha) on the infestation of processing tomato with potato late blight (Phytophthora infestans (Mont.) de Bary) (PLB) and azoxystrobin and ch
Externí odkaz: https://doaj.org/article/5ea26fe957284157afeb9829eb56b668
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6
Akademický článek
Skuteczność wybranych fungicydów w ochronie róży przed mączniakiem prawdziwym (Sphaerotheca pannosa var. Rosae) w zależności od ilości cieczy użytkowej oraz jakości wody użytej do jej przygotowania
Autor: Henryk Ratajkiewicz
Publikováno v: Acta Scientiarum Polonorum: Hortorum Cultus, Vol 2, Iss 2 (2003)
Celem pracy była ocena wpływu wody destylowanej i bardzo twardej (76,8°tw) na skuteczność działania Rubiganu 12 EC (fenarimol) - 0,48 dm 3.ha -1 i Saprolu 190 EC (triforyna) - 1,6 dm 3.ha -1 przeciwko mączniakowi prawdziwemu róży. Wraz ze zw
Externí odkaz: https://doaj.org/article/a1e14a1fd54f4c6ab6418a846a150306
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7
Reflectance spectroscopy and machine learning as a tool for the categorization of twin species based on the example of the Diachrysia genus
Autor: Krzysztof Dyba, Roman Wąsala, Jan Piekarczyk, Elżbieta Gabała, Magdalena Gawlak, Jarosław Jasiewicz, Henryk Ratajkiewicz
Publikováno v: Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 273
In our work we used noninvasive point reflectance spectroscopy in the range from 400 to 2100 nm coupled with machine learning to study scales on the brown and golden iridescent areas on the dorsal side of the forewing of Diachrysia chrysitis and D. s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d770e2fd947a798a8e86c31c344fca72
https://pubmed.ncbi.nlm.nih.gov/35500355
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