The Influence of Nitrogen and Sulfur Fertilization on Oil Quality and Seed Meal in Different Genotypes of Winter Oilseed Rape ( Brassica napus L.)

Stanisław Spasibionek (), Franciszek Wielebski, Alina Liersch and Magdalena Walkowiak
Additional contact information
Stanisław Spasibionek: Plant Breeding and Acclimatization Institute—National Research Institute in Radzików, Department of Oilseed Crops, Strzeszyńska 36, 60-479 Poznań, Poland
Franciszek Wielebski: Plant Breeding and Acclimatization Institute—National Research Institute in Radzików, Department of Oilseed Crops, Strzeszyńska 36, 60-479 Poznań, Poland
Alina Liersch: Plant Breeding and Acclimatization Institute—National Research Institute in Radzików, Department of Oilseed Crops, Strzeszyńska 36, 60-479 Poznań, Poland
Magdalena Walkowiak: Plant Breeding and Acclimatization Institute—National Research Institute in Radzików, Department of Oilseed Crops, Strzeszyńska 36, 60-479 Poznań, Poland

Agriculture, 2024, vol. 14, issue 8, 1-19

Abstract: Adequate nitrogen (N) and sulfur (S) fertilization of oilseed rape crops is necessary to obtain good-quality oil and post-extraction rapeseed meal. The aim of this study was to determine the effect of different doses of N fertilization (100, 160 and 220 kg ha −1 ) and S (0, 30, 60 and 90 kg ha −1 ) on the value of seeds of three winter oilseed rape genotypes. Two winter oilseed rape genotypes obtained by mutagenesis (cultivar Polka and breeding genotype PN440) were characterized by changed fatty acid profile. The cultivar Polka, type HO (high oleic), had a high content of oleic acid (C18:1, 78.0%) and the breeding genotype PN440, type HOLL (high-oleic and low-linolenic), had a high content of oleic acid (C18:1, 75.0%) and a low content of linolenic acid (C18:3, 3.0%). We also used the canola type of winter oilseed rape cultivar, Monolit. The analysed winter oilseed rape genotypes responded similarly to the N and S fertilization factors with regard to the content of crude fat and total protein in the seeds and the composition of fatty acids in the oil. N fertilization increased the content of glucosinolates (GLS-alkenyl, indole and total) in seeds, whereas S application decreased the content of saturated fatty acids (stearic acid-C18:0) in oil and increased the content of alkenyl and total glucosinolates (GLSs) in seeds. A significant interaction between N and S was observed for crude-fat and total-protein content. This study suggests that ensuring an adequate supply of both nitrogen and sulfur in the soil is essential for optimizing meal and oil quality in different types of winter oilseed rape cultivars. Proper management of these nutrients can lead to improved oil content and overall crop performance.

Keywords: Brassica crops; crude fat; total protein; glucosinolates; HO (high-oleic) and HOLL (high-oleic; low-linolenic); genotype (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
References: View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/2077-0472/14/8/1232/pdf (application/pdf)
https://www.mdpi.com/2077-0472/14/8/1232/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jagris:v:14:y:2024:i:8:p:1232-:d:1443385

Access Statistics for this article

Agriculture is currently edited by Ms. Leda Xuan

More articles in Agriculture from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().