Effect of increased nitrogen doses on protein content in the grain of spring barley grown in monoculture

Dudas, F.

Acta Universitatis Agriculturae, Facultas Agronomica 39(1-2): 89-96


Accession: 002356742

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In a study of 9 genotypes grown under 3 fertilizer regimes (30, 60 and 90 kg N/ha), each involving 2 methods of soil tillage, a significant increase in grain protein content was noted as the N dose increased. The traditional tillage method had a more beneficial effect than minimum tillage. The new variety KM1192 showed the best response to N dose in terms of protein content. The relative effect of the various factors on protein content was as follows: N dose 18.62%, genotype 17.10%, cultivation technique 58.01% and interaction effects 6.27%.