RESEARCH PAPER
Estimation of the influence of nitrogen fertilization (ammonium nitrate or urea) on the mechanical properties of rape siliques
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Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-236 Lublin, Poland
Publication date: 2021-06-29
Int. Agrophys. 1994, 8(1): 143-146
KEYWORDS
ABSTRACT
Two field experiments were conducted in order to evaluate the effect of nitrogen fertilization on the strength properties of rape siliques: – on one variety (Jupiter), with nitrogen used as urea to soil in spring, – on four varieties (Ceres, Liporta, Bolko, Mar), with nitrogen as 10% urea water solution to leaves. A 7 to 42% increase in silique strength was observed for urea as compared to ammonium nitrate. 10% water solution of urea caused a 10 to 51% increase in silique strength, depending on variety.
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| eISSN: | 2300-8725 |
| ISSN: | 0236-8722 |
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