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LOŠÁK, T. -- VÁLKA, T. -- ELBL, J. -- KINTL, A. -- KEUTGEN, A. -- KEUTGEN, N. -- DEMKOVÁ, L. -- ÁRVAY, J. -- VARGA, L. -- HNÁTKOVÁ, H. -- GONDEK, K. -- MIERZWA HERSZTEK, M. Fertilization with Magnesium- and Sulfur-Supplemented Digestate Increases the Yield and Quality of Kohlrabi. Sustainability. 2020. v. 12, no. 5733, p. 1--11. ISSN 2071-1050. URL: https://www.mdpi.com/2071-1050/12/14/5733

Original name: Fertilization with Magnesium- and Sulfur-Supplemented Digestate Increases the Yield and Quality of Kohlrabi
Czech name:
Written by (author):
prof. Ing. Tomáš Lošák, Ph.D.
Ing. Tomáš Válka
Ing. Jakub Elbl, Ph.D.
Antonín Kintl
prof. Anna Keutgen
doc. Norbert Keutgen
Lenka Demková
Július Árvay
doc. Ing. Ladislav Varga, PhD.
Ing. Hana Hnátková, Ph.D.
Krzysztof Gondek
Monika Mierzwa Hersztek
Department:
Department of Environmentalistics and Natural Resources
Kind of publication:
article in a professional periodical
Periodical:
Sustainability
Nature of article:
original thesis
Volume no. (year): 12
Periodical number within the volume:
5733
Year of publication:
2020
Starting page:
1
Up to page: 11
Number of pages:
11
Sub-specification:
článek je obsažen v databázi Web of Science
UT code by Web of Science:
EID code by Scopus:
Form of publication:
electronic version (online)
Original language:
English
Description in original language:
The vegetation pot experiment with kohlrabi (Moravia variety) was established in 2014 and 2015. The experiment included four treatments of fertilization: (1) untreated control, (2) digestate, (3) digestate + Mg + S, and (4) digestate + S. Treatments 2–4 were fertilized with the same N dose. Differences between the years were recorded in all parameters. Compared with the variant with digestate (100%), the kohlrabi yield of the unfertilized variant was demonstrably lower in both years (33.1% and 46.9%). Digestate enriched with the fertilizer containing Mg + S (treatment 3) demonstrably increased the yield of kohlrabi by 10.2% and 15.7% compared with pure digestate (treatment 2). Digestate enriched with the fertilizer containing elementary S (treatment 4) demonstrably increased the yield of kohlrabi (by 7.4%) only in 2015 compared with pure digestate (treatment 2). Except for the year 2015, there were no yield differences between variants 3 and 4. In both years, the lowest content of nitrates in kohlrabi was observed in the unfertilized control (135 and 163 mg NO3−/kgFM, respectively). Following the application of digestate (treatment 2), the content of nitrates (mg NO3−/kgFM) increased to 327 in 2014 and to 509 in 2015. The addition of fertilizers with Mg + S as well as fertilizer with elementary S to the digestate (treatment 3 and 4) significantly reduced the content of nitrates to 295–301 mg NO3−/kgFM (2014) and to 449–468 mg NO3−/kgFM (2015). The content of ascorbic acid did not statistically differ among the four treatments in the two years (268–281 and 311–329 mg/kgFM in 2014 and 2015, respectively). Digestate supplemented with Mg + S (magnesium sulfate) or only with elementary S can be recommended for kohlrabi fertilization prior to the planting in order to reduce dangerous accumulations of nitrates in kohlrabi
Description in English:
Description in Czech:
Key words:
czech: digestát, hořčík, kedluben, vitamin C, nitrátový N, síra
english: sulfur, kohlrabi, nitrate N, magnesium, digestate, vitamin C
Field of result:
Agriculture, Forestry, and Fisheries
Horticulture, viticulture
Year of submission:
2020
Year of transmission:
RIV identification number:
Used in projects: Bioenergetické transformace a jejich řízení (use: RIV)
Využití digestátů z bioplynových stanic pro rozvoj venkova (use: RIV)
URL:
https://www.mdpi.com/2071-1050/12/14/5733
 
Entry made by:
Last change:
07/20/2020 11:26 (prof. Ing. Tomáš Lošák, Ph.D.)

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Source specification:

Sustainability. Basel: ISSN 2071-1050.

Original name:
Sustainability
Czech name:
Written by (author):
Kind of publication: magazine
ISSN: 2071-1050
Country of publisher:
Swiss Confederation
Place of publishing: Basel
Publisher:
MDPI AG
URL:
http://www.mdpi.com/journal/sustainability
Reviewed magazine:
no
Original language:
English
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: doc. Ing. Radomír Klvač, Ph.D.
Last change: 03/11/2015 10:50 (Šárka Novotná)

Evaluation of publication:

1
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345
        
12
3
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5
bad
 
good
        
uninteresting
 
interesting
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5
        
1
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345
amateur
 
professional
        
theoretical
 
practical
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