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doc. Ing. Václav Brant, Ph.D.
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Research

Determination of the crop water demands (in cooperation with Dr. Ing. Jan Pivec)

  •     Estimation of the actual evapotranspiration by  BREB (Bowen ratio energy balance) method
  •     Measurements of the plant's transpiration by sapflow (SHB - Stem Heat Balance) method

BREB system in the sugar beet, barley and maize crops


Influence of tillage systems on the basic physical properties of the soils (in cooperation with Dr. Ing. Jan Pivec and Ing. Milan Kroulík, Ph.D.)

  •     Measurement of the soil temperature using PRTs Pt 1000 + Microlog T3
  •     Measurement of the soil moisture by CS 615 Water Content Reflectometer sensors
  •     Determination of the soil water potential using Gypsum block GB3 + SP3 Microlog and  Watermark + SP Microlog
  •     Determination of the air permeability of soil by PL 300 Air Permeability Meter
  •     Measurement of the penetration resistance of soil using penetrometer PN-10
  •     Determination of the stability of soil aggregates using Wet Sieving Apparatus

 

                                 

  Installment of CS 615         Installment of  Watermark sensor       Measurement of soil penetration resistance

Determination of the effect of vegetation on the distribution of precipitation and splash erosion depending on the silvicultural systems (in cooperation with Dr. Ing. Jan Pivec and Ing. Milan Kroulík, Ph.D.)

  •     Measurement of the stem flow (ambulatory and continuous methods)
  •     Determination of the throughfall (ambulatory and continuous methods)
  •     Determination of the splash erosion using capture funnels (ambulatory records)

                               

                           Throughfall measurements                              Stem flow measurements on maize

     Installment of  capture funnels for splash measurements  
 

The influence of abiotic factors on the physiological processes of arable crops and weeds and their seeds (in cooperation with Dr. Ing. Jan Pivec and Ing. Kateřina Hamouzová, Ph.D.)

  •    Determination of the leaf water potential using Model 600 Pressure Chamber Instrument and   PSYPRO in combination with sensors L-51 A
  •     Determination of the water potential of leaves and seeds using the device WP4-C
  •     Measurements of the actual transpiration using sapflow (SHB - Stem Heat Balance) method
  •     Estimation of the Intensity of photosynthesis and transpiration using CIRAS 2 apparatus

Installment of sensors for sapflow measurements


Comparative measurements with a  sapflow system and CIRAS 2 on sunflower plants