JUG Danijel

Information about JUG Danijel

Published on October 4, 2007

Author: Noormahl

Source: authorstream.com

Content

Slide1:  SOIL TILLAGE IMPACTS ON NUTRITIONAL STATUS OF WHEAT Faculty of Agriculture, University J.J. Strossmayer in Osijek. Trg Sv. Trojstva 3, HR-31000 Osijek, Croatia. [email protected] Danijel JUG, Irena JUG, Vlado KOVACEVIC, Bojan STIPESEVIC, Jasna SOSTARIC Introduction:  Introduction Object of this study was testing nutritional status of winter wheat under different soil tillage with aim of possible new recommendation for fertilization under reduction/absence of soil tillage. Slide3:  Material and methods The Field experiment cultivar :: w. wheat DEMETRA (in rotation with soybean) location :: eastern Croatia – experimental site near Kneževo experimental period :: 2002-2005 soil tillage treatments :: CT – conventional tillage DH – diskharrowing NT – no-tillage Basic experimental plot :: 900 m-2 fertilization :: N:P2O5:K2O = 121:130:130 kg ha-1 Slide4:  Conventional tillage - in autumn Slide5:  Diskharrowing - in autumn Slide6:  No-tillage – early season Slide7:  Sampling and chemical analysis sampling w. wheat :: Feekes 10.5 (Emergence of inflorescence completed) samples :: microwave digestion (65% HNO3 + 30% H2O2) analyses :: 23 elements with a Jobin-Yvon Ultrace 238 ICP-OES spectrometer (laboratory of the RISSAC. Budapest. Hungary) sowing :: in October John Deere 750A interrow spacing 16.5 cm planned density 700 plants m-2 deep of sowing 2-3 cm plant protection :: uniformly for each tillage treatments Slide8:  Soil characteristics calcareous chernozem on loess substrate chemical properties :: pH (H2O) - 8.1 pH (KCl) - 7.5 Humus - 2.6% CaCO3 - 2.1% P2O5 - 18.7 mg 100 g-1 tla (AL-soluble) K2O - 28.4 mg 100 g-1 tla (AL-soluble) Slide9:  Weather characteristic Slide11:  Results Slide12:  Impact of the year on nutritional status of winter wheat Slide13:  Influences of the soil tillage on nutritional status of winter wheat in four year average Slide16:  Conclusion reduction or absence of soil tillage under conditions of calcareous chernozem of Barannya province did not seriously affect nutritional status of winter wheat usual fertilization practice can be recommended for possible use of non-conventional soil tillage practice Slide17:  Thank you for your attention

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