Effects of Stabilised Nitrogen Fertilizers in Oilseed Rape (Brassica napus L.) Nutrition

Q3 Agricultural and Biological Sciences
Dominika Mikušová, P. Ryant
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引用次数: 0

Abstract

The aim of this study was to evaluate the effects of added nitrification inhibitor (NI) and urease inhibitor (UI) to urea ammonium nitrate (UAN) on oilseed rape yield and seed oil content in 3-year field trials and to assess their environmental impact by analysing the content of nitrates in water extracts in the form of soil laboratory experiments. The UAN stabilisation was provided by the addition of PIADIN (1.5% methylpyrazole, 3% triazole) serving as NI and StabilureN (NBPT) used as UI. The experiment consisted of four variants: 1. UAN; 2. UAN + NI; 3. UAN + UI; 4. UAN + NI + UI. The obtained data showed the increased rates of the yield and seed oil content in the variants with the NI/UI additions in one experimental year. Statistically significant differences were detected in the yield and seed oil content obtained between the years of the experiment. Soil laboratory experiments proved that the additions of both inhibitors (UAN + NI + UI) led to the least leaching of nitrates.
稳定氮肥在油菜上的施用效果营养
本研究旨在通过3年田间试验,评价在硝酸铵(UAN)中添加硝化抑制剂(NI)和脲酶抑制剂(UI)对油菜产量和含油量的影响,并通过土壤室内试验分析水提物中硝酸盐的含量,评价其对环境的影响。通过添加PIADIN(1.5%甲基吡唑,3%三唑)作为NI和StabilureN (NBPT)作为UI来提供UAN稳定。实验包括四个变量:1;胡安;2. Uan + ni;3.Uan + ui;4. Uan + ni + ui。结果表明,在1年的试验期内,添加NI/UI能显著提高品种的产量和籽油含量。实验年份之间的产量和种子含油量有统计学上的显著差异。土壤室内试验证明,两种抑制剂(UAN + NI + UI)的添加导致硝酸盐的淋失最少。
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来源期刊
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.40
自引率
0.00%
发文量
31
审稿时长
24 weeks
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