Search results
- 1.0552700 - ÚVGZ 2022 RIV CH eng J - Journal Article
Klem, Karel - Křen, J. - Simor, J. - Kováč, Daniel - Holub, Petr - Míša, P. - Svobodová, I. - Lukáš, V. - Lukeš, Petr - Findurová, Hana - Urban, Otmar
Improving Nitrogen Status Estimation in Malting Barley Based on Hyperspectral Reflectance and Artificial Neural Networks.
Agronomy. Roč. 11, č. 12 (2021), č. článku 2592. E-ISSN 2073-4395
R&D Projects: GA MŠMT(CZ) EF16_019/0000797; GA MZe(CZ) QK1910197
Institutional support: RVO:86652079
Keywords : partial least-squares * vegetation indexes * spring barley * chlorophyll content * remote estimation * winter-wheat * grain-yield * growth * crop * nutrition * artificial neural network * grain yield * Hordeum vulgare * nitrogen status * hyperspectral reflectance
OECD category: Agriculture
Impact factor: 3.949, year: 2021
Method of publishing: Open access
https://www.mdpi.com/2073-4395/11/12/2592
Permanent Link: http://hdl.handle.net/11104/0327827 - 2.0489762 - ÚVGZ 2019 RIV CZ eng J - Journal Article
Novák, J. - Lukas, V. - Rodriguez Moreno, Fernando - Křen, J.
Assessment of soil variability of South moravian region based on the satellite imagery.
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis. Roč. 66, č. 1 (2018), s. 119-129. ISSN 1211-8516. E-ISSN 2464-8310
Institutional support: RVO:86652079
Keywords : Coefficient of variation * lpis * ndvi * pca * RapidEye * Remote sensing * sentinel 2 * Soil variability
OECD category: Soil science
Permanent Link: http://hdl.handle.net/11104/0284126 - 3.0473336 - ÚVGZ 2017 RIV HU eng J - Journal Article
Křen, J. - Klem, Karel - Svobodová, I. - Míša, P. - Lukas, V.
Influence of Sowing, Nitrogen Nutrition and Weather Conditions on Stand Structure and Yield of Spring Barley.
Cereal Research Communications. Roč. 43, č. 2 (2015), s. 326-335. ISSN 0133-3720. E-ISSN 1788-9170
R&D Projects: GA MZe QI111A133
Institutional support: RVO:67179843
Keywords : spring barley * yield formation * tillers formation and differentiation * genotype plasticity * grain quality
Subject RIV: EH - Ecology, Behaviour
Impact factor: 0.528, year: 2015
Permanent Link: http://hdl.handle.net/11104/0270481 - 4.0464860 - ÚVGZ 2018 RIV NL eng J - Journal Article
Rodriguez-Moreno, Fernando - Křen, J. - Zemek, František - Novák, J. - Lukas, V. - Pikl, Miroslav
Advantage of multispectral imaging with sub-centimeter resolution in precision agriculture: generalization of training for supervised classification.
Precision Agriculture. Roč. 18, č. 4 (2017), s. 615-634. ISSN 1385-2256. E-ISSN 1573-1618
R&D Projects: GA MZe QI111A133; GA MŠMT(CZ) LO1415
Research Infrastructure: CzeCOS II - 90061
Institutional support: RVO:67179843
Keywords : Cereals * decision tree * maximum likehood * spectral angle mapper * suntarget-sensor geometry * uncontrolled conditions
OECD category: Agronomy, plant breeding and plant protection
Impact factor: 2.435, year: 2017
Permanent Link: http://hdl.handle.net/11104/0264273 - 5.0459466 - ÚVGZ 2017 RIV GB eng J - Journal Article
Rodriguez-Moreno, Fernando - Zemek, František - Křen, J. - Pikl, Miroslav - Lukáš, V. - Novák, J.
Spectral monitoring of wheat canopy under uncontrolled conditions for decision making purposes.
Computers and Electronics in Agriculture. Roč. 125, JUL (2016), s. 81-88. ISSN 0168-1699. E-ISSN 1872-7107
R&D Projects: GA MŠMT(CZ) LO1415; GA MZe QI111A133
Research Infrastructure: CzeCOS II - 90061
Institutional support: RVO:67179843
Keywords : Airborne hyperspectral sensor * Bidirectional reflectance distribution function (BRDF) * Cereals * Crop reflectance * Field conditions * Field spectroradiometer * Multispectral camera and quality of the spectral imaging
Subject RIV: EH - Ecology, Behaviour
Impact factor: 2.201, year: 2016
Permanent Link: http://hdl.handle.net/11104/0259655 - 6.0430099 - ÚVGZ 2015 RIV SK eng J - Journal Article
Klem, Karel - Rajsnerová, Petra - Surá, Kateřina - Míša, P. - Křen, J.
Changes in vertical distribution of spectral reflectance within Spring barley canopy as an indicator of nitrogen nutrition, canopy structure and yield parametrs.
Agriculture (Poľnohospodárstvo). Roč. 60, č. 2 (2014), s. 50-59. ISSN 0551-3677
R&D Projects: GA MZe QI111A133; GA TA ČR TA02010780
Institutional support: RVO:67179843
Keywords : Hordeum vulgare * spectral reflectance * vertical gradient * vegetation indices * nitrogen * grain yield * protein content
Subject RIV: GC - Agronomy
Permanent Link: http://hdl.handle.net/11104/0235094 - 7.0428178 - ÚVGZ 2015 RIV CZ eng J - Journal Article
Křen, J. - Klem, Karel - Svobodová, I. - Míša, P. - Neudert, L.
Yield and grain quality of spring barley as affected by biomass formation at early growth stages.
Plant, Soil and Environment. Roč. 60, č. 5 (2014), s. 221-227. ISSN 1214-1178. E-ISSN 1805-9368
R&D Projects: GA MZe QI111A133
Keywords : Hordeum vulgare L * above-ground biomass * tillering * grain yield formation * grain protein content
Subject RIV: EH - Ecology, Behaviour
Impact factor: 1.226, year: 2014
Permanent Link: http://hdl.handle.net/11104/0233604 - 8.0383204 - ÚEM 2013 RIV CZ eng J - Journal Article
Plánka, L. - Srnec, R. - Rauser, P. - Starý, D. - Filová, Eva - Jančář, J. - Juhásová, Jana - Křen, J. - Nečas, A. - Gál, P.
Nanotechnology and mesenchymal stem cells with chondrocytes in prevention of partial growth plate arrest in pigs.
Biomedical Papers. Roč. 156, č. 2 (2012), s. 128-134. ISSN 1213-8118. E-ISSN 1804-7521
R&D Projects: GA MZd(CZ) NS9896
Institutional research plan: CEZ:AV0Z50390512; CEZ:AV0Z50450515
Institutional support: RVO:68378041 ; RVO:67985904
Keywords : mesenchymal stem cells * growth plate defect * bone bridge
Subject RIV: FI - Traumatology, Orthopedics
Impact factor: 0.990, year: 2012
Permanent Link: http://hdl.handle.net/11104/0213217 - 9.0176431 - UFA-U 20020248 RIV CZ eng J - Journal Article
Šťastná, M. - Trnka, M. - Křen, J. - Dubrovský, Martin - Žalud, Z.
Evaluation of the CERES Models in Different Production Regions of the Czech Republic. Rostlinna Vyroba 48, 125-132.
Rostlinná výroba. Roč. 48, č. 3 (2002), s. 125-132. ISSN 0370-663X
R&D Projects: GA ČR GA521/99/D040; GA ČR GA205/99/1561
Institutional research plan: CEZ:AV0Z3042911
Keywords : spring barley * winter wheat * crop model
Subject RIV: DG - Athmosphere Sciences, Meteorology
Impact factor: 0.333, year: 2002
Permanent Link: http://hdl.handle.net/11104/0073407