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Statements

Subject Item
n2:RIV%2F62156489%3A43210%2F13%3A00212080%21RIV15-MZE-43210___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Differences in transpiration of maize (Zea mays L.) plants in four soil moisture regimes were quantified in a pot experiment. The transpiration was measured by the %22Stem Heat Balance%22 method. The dependence of transpiration on air temperature, air humidity, global solar radiation, soil moisture, wind speed and leaf surface temperature were quantified. Significant relationships among transpiration, global radiation and air temperature (in the first vegetation period in the drought non-stressed variant, r = 0.881**, r = 0.934**) were found. Conclusive dependence of transpiration on leaf temperature (r = 0.820**) and wind speed (r = 0.710**) was found. Transpiration was significantly influenced by soil moisture (r = 0.395**, r = 0.528**) under moderate and severe drought stress. The dependence of transpiration on meteorological factors decreased with increasing deficiency of water. Correlation between transpiration and plant dry matter weight (r = 0.997**), plant height (r = 0.973**) and weight of corn cob (r = 0.987**) was found. The results of instrumental measuring of field crops transpiration under diverse moisture conditions at a concurrent monitoring of the meteorological elements spectra are rather unique. These results will be utilized in the effort to make calculations of the evapotranspiration in computing models more accurate. Differences in transpiration of maize (Zea mays L.) plants in four soil moisture regimes were quantified in a pot experiment. The transpiration was measured by the %22Stem Heat Balance%22 method. The dependence of transpiration on air temperature, air humidity, global solar radiation, soil moisture, wind speed and leaf surface temperature were quantified. Significant relationships among transpiration, global radiation and air temperature (in the first vegetation period in the drought non-stressed variant, r = 0.881**, r = 0.934**) were found. Conclusive dependence of transpiration on leaf temperature (r = 0.820**) and wind speed (r = 0.710**) was found. Transpiration was significantly influenced by soil moisture (r = 0.395**, r = 0.528**) under moderate and severe drought stress. The dependence of transpiration on meteorological factors decreased with increasing deficiency of water. Correlation between transpiration and plant dry matter weight (r = 0.997**), plant height (r = 0.973**) and weight of corn cob (r = 0.987**) was found. The results of instrumental measuring of field crops transpiration under diverse moisture conditions at a concurrent monitoring of the meteorological elements spectra are rather unique. These results will be utilized in the effort to make calculations of the evapotranspiration in computing models more accurate.
dcterms:title
Maize transpiration in response to meteorological conditions Maize transpiration in response to meteorological conditions
skos:prefLabel
Maize transpiration in response to meteorological conditions Maize transpiration in response to meteorological conditions
skos:notation
RIV/62156489:43210/13:00212080!RIV15-MZE-43210___
n4:aktivita
n12:P
n4:aktivity
P(QJ1310055)
n4:cisloPeriodika
3
n4:dodaniDat
n13:2015
n4:domaciTvurceVysledku
n7:8780110 n7:3469115 n7:3030385
n4:druhVysledku
n9:J
n4:duvernostUdaju
n6:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
85788
n4:idVysledku
RIV/62156489:43210/13:00212080
n4:jazykVysledku
n16:eng
n4:klicovaSlova
soil moisture; sap flow; meteorological elements; stem heat balance; transpiration
n4:klicoveSlovo
n10:soil%20moisture n10:transpiration n10:stem%20heat%20balance n10:sap%20flow n10:meteorological%20elements
n4:kodStatuVydavatele
SK - Slovenská republika
n4:kontrolniKodProRIV
[D3CA81622278]
n4:nazevZdroje
Contributions to Geophysics and Geodesy
n4:obor
n17:ED
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:projekt
n11:QJ1310055
n4:rokUplatneniVysledku
n13:2013
n4:svazekPeriodika
43
n4:tvurceVysledku
Klimešová, Jana Středová, Hana Středa, Tomáš
s:issn
1335-2806
s:numberOfPages
12
n18:organizacniJednotka
43210