The influence of mineral fertilization on winter wheat yield and quality

Horvat, Daniela and Loncaric, Zdenko and Vukadinovic, Vladimir and Drezner, Georg and Bertic, Blazenka and Dvojković, Kresimir (2006) The influence of mineral fertilization on winter wheat yield and quality. Cereal Research Communications, 34 (1). pp. 429-432. ISSN 0133-3720

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The effect of the N, P and K fertilisation on yield and quality parameters of cultivar Žitarka during two growing seasons (2002/03 and 2003/04) was studied. Fertilization increased yield, although only treatment with 200 kg N ha <sup>−1</sup> yielded significantly higher than treatments with 80 kg N ha <sup>−1</sup> . Protein content increased significantly (P<0.001) with the application of 80 kg N ha <sup>−1</sup> , 120 kg N ha <sup>−1</sup> and 160 kg N ha <sup>−1</sup> . The highest N applications with 200 kg N ha <sup>−1</sup> and 240 kg N ha <sup>−1</sup> increased protein content on the same level as with 160 kg N ha <sup>−1</sup> . Wet gluten and sedimentation value were also significantly (P<0.001) affected by N fertilizer treatments. Although increment of N fertilization increased values of these quality parameters, 120 kg N ha <sup>−1</sup> , 160 kg N ha <sup>−1</sup> and 200 kg N ha <sup>−1</sup> treatments showed similar effect, while treatment with 240 kg N ha <sup>−1</sup> resulted with significantly higher values. Gluten index increased only with applying 80 kg N ha <sup>−1</sup> while the highest N levels (200 kg N ha <sup>−1</sup> and 240 kg N ha <sup>−1</sup> ) showed dramatically gluten weakening. Considering grain hardness only treatment with 80 kg N ha <sup>−1</sup> had significant (P<0.001) influence. Simultaneously, P and K did not affect grain yield and quality, neither comparing PK to controle, or N <sub>2</sub> P <sub>1</sub> K <sub>1</sub> to N <sub>2</sub> P <sub>2</sub> K <sub>2</sub> .

Item Type: Article
Subjects: S Agriculture / mezőgazdaság > S1 Agriculture (General) / mezőgazdaság általában
Depositing User: Barbara Payer
Date Deposited: 04 Dec 2017 14:47
Last Modified: 04 Dec 2017 14:47

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