ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785
 

THE USE OF AMMONIUM SULPHATE HAS AN ADJUVANT EFFECT ON THE PRODUCTIVITY OF OILSEED RAPE (Brassica napus L.)

Published in Scientific Papers. Series A. Agronomy, Vol. LXV, Issue 1
Written by Atanas IVANOV, Adelina HARIZANOVA

Oilseed rape (Brassica napus L.) is the second most common oil crop grown in the world, after soybean. The aim of the study was to investigate the adjuvant effect of leaf treatment with ammonium sulphate together with a plant growth regulator (PGR) on the seed yield and quality of canola, cv. DK Implement CL. The experiment was set up in the region of Plovdiv, Bulgaria in the period October 2020 - June 2021. The test variants included: 1 - untreated control, 2 - Plant growth regulator (1 l/ha) + Ammonium sulphate (1 l/ha), 3 - Plant growth regulator (1.5) l/ha + Ammonium sulphate (2 l/ha), 4 - Plant growth regulator (1 l/ha), 5 - Plant growth regulator (1.5 l/ha), 6 - Tilmor (1.2) l/ha, and 7 - Carax (1.5 l/ha). It was established that the application of ammonium sulphate has a positive effect on the plant growth, grain yield, oil and moisture content, and 1000 kernel weight.

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