Influencing grain yield and quality in spring barley by agroecological conditions

Dudas, F.; Pelikan, M.

Rostlinna Vyroba 28(4): 371-380


ISSN/ISBN: 0370-663X
Accession: 001213274

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In trials in 1977-9, spring barley cv. Spartan and Koral sown into land where straw use had been conventional (harvested), ploughed in after cutting, or burnt, were given 30, 60 or 90 kg N/ha. In both cv., grain yields were significantly higher with 60 or 90 kg N/ha than with 30 kg N/ha and were 5.32 and 4.71 t/ha for Spartan and Koral, resp., with the 90 kg/ha rate of N. Grain yield was higher after conventional soil treatment than after minimum tillage. Grain vol./wt. values, 1000-grain wt., proportion of first quality grain and grain CP content were highest with conventional straw harvest and lowest where the straw was burnt. Seasonal climatic conditions had more effect on grain mechanical and chemical properties than any of the other factors studied.