Effects of conventional and reduced tillage systems in winter wheat — soybean crop rotation on crops biomass development

Jug, Danijel and Stipesevic, Bojan and Zugec, Ivan (2006) Effects of conventional and reduced tillage systems in winter wheat — soybean crop rotation on crops biomass development. Cereal Research Communications, 34 (2-3). pp. 1137-1143. ISSN 0133-3720

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Croatian Baranja region contains soils with highly quality crop production properties, but the knowledge of the effects of reduced tillage systems is lacking. Our investigations were conducted under field conditions at Knezevo site chernozem in four replications. They included four soil tillage systems (CT: conventional tillage, with ploughing up to the 30 cm as a primary tillage; DS: diskharrowing up to the 15 cm; CH: chiselling up to the 30 cm + diskharrowing; NT: no-till seed drilling), both for winter wheat ( Triticum aestivum L. )-soybean ( Glycine max L. ) in crop rotation during three growing seasons (2002–2004). All measured crop properties were strongly affected by different seasons, especially with the season of 2003 with extreme drought. Crop biomass in five growth stages for winter wheat showed that at the beginning DS and CH had stronger growth than CT and NT, but differences vanished toward final stages. Winter wheat grain yield achieved by reduced tillage systems was in average either higher (CH=5.59 t ha <sup>−1</sup> ) or not different (5.38 and 5.23 t ha <sup>−1</sup> for DS and NT, respectively) than CT (5.28 t ha <sup>−1</sup> ). Soybean growth was consistently the most impaired at NT system, especially at the full maturity stage, where also DS and CH had lower biomass than CT. Soybean grain yield confirmed biomass results, since NT (2.11 t ha <sup>−1</sup> ) had always the lowest yield, when compared with other tillage systems (CT=2.88, CH=2.77 and DS=2.72 t ha <sup>−1</sup> ). Our conclusion is that within the Croatian Baranja environmental conditions is possible to replace soil tillage based on the ploughing for winter wheat and soybean with reduced soil tillage systems based on disking and chiselling, whereas no-till system still needs solution which will address drought-related problems.

Item Type: Article
Subjects: S Agriculture / mezőgazdaság > S1 Agriculture (General) / mezőgazdaság általában
Depositing User: Barbara Payer
Date Deposited: 06 Dec 2017 17:55
Last Modified: 06 Dec 2017 17:55

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