Study of the effects of agroecological conditions on yield and feeding value of spring barley grown in monoculture. Part II. Chemical composition of grain and amino acid content

Dudas, F.; Sterba, A.

Acta Universitatis Agriculturae, Brno, A Facultas Agronomica 29(1/2): 141-153

1981


Accession: 001258397

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Abstract
In field studies with spring barley grown in monoculture in 1974-6, climatic conditions accounted for the largest proportion of the variation in grain composition and amino acid content. There was no difference in grain quality between normal ploughing and min. tillage treatments. Grain starch content was decreased by more than 60 kg N/ha. The contents of nitrogenous substances, aspartic acid, glutamic acid and proline were increased by increase in N fertilizer, but the content of lysine and threonine in the grain did not increase as rapidly.