Primernost uporabe dušikovih gnojil pri pridelavi soje

Fujs, Alen

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Title:	Primernost uporabe dušikovih gnojil pri pridelavi soje
Authors:	ID Fujs, Alen (Author) ID Jakop, Manfred (Mentor) More about this mentor... ID Kolmanič, Aleš (Comentor)
Files:	VS_Fujs_Alen_2020.pdf (1,58 MB) MD5: 9B80B5FF592EDF0226C8F4C7E901DC58 PID: 20.500.12556/dkum/b86674dd-9d19-4577-8ff6-27bd098b1aaf
Language:	Slovenian
Work type:	Bachelor thesis/paper
Typology:	2.11 - Undergraduate Thesis
Organization:	FKBV - Faculty of Agriculture and Life Sciences
Abstract:	V letu 2019 smo v okviru projekta Evropskega inovativnega partnerstva (EIP) z naslovom Zrnate stročnice – pridelava, predelava in uporaba na poljih Kmetijskega inštituta Slovenije (KIS) izvedli enoletni poljski poskus s sojo. Namen diplomskega dela je s poljskim poskusom s sorto ES MENTOR ugotoviti vpliv časa gnojenja in različnih količin mineralnega dušika na višino pridelka zrnja in surovih beljakovin ter določenih pomembnih agronomskih lastnosti soje. Dušik smo dodajali ob setvi in z dognojevanjem v odmerkih 0 kg N ha-1, 40 kg N ha-1, 80 kg N ha-1 in 120 kg N ha-1. Enoletni rezultati v danih pridelovalnih razmerah nakazujejo, da na pridelek soje in pridelek surovih beljakovin nista statistično značilno vplivala termin dodajanja dušika in odmerek. Vsebnost surovih beljakovin v suhi snovi zrnja je bila na gnojenih obravnavanjih statistično značilno manjša v primerjavi s kontrolo (434 g kg-1 zrnja). Najvišji odmerek, 120 kg N ha-1, dodan z dognojevanjem, je značilno povečal število stranskih vej (1,17), odmerek 80 kg N ha-1 pa višino prvega stroka (12,0 cm) na steblu soje. Višina rastlin v fazi BBCH 17/51 je bila pri gnojenih obravnavanjih v primerjavi s kontrolo enaka ali značilno nižja. Ostanki mineralnega dušika v tleh po žetvi soje se med gnojenimi in negnojenimi obravnavanji niso značilno razlikovali. Rezultati enoletne raziskave so pokazali, da gnojenje soje z dušikom ni vplivalo na izboljšanje (večje vrednosti) pomembnih agronomskih lastnosti in ga ne moremo priporočiti kot upravičen ukrep pridelave.
Keywords:	soja, dušik, gnojenje, pridelek
Place of publishing:	Maribor
Year of publishing:	2020
PID:	20.500.12556/DKUM-77708
NUK URN:	URN:SI:UM:DK:3EEFK1HU
Publication date in DKUM:	23.09.2020
Views:	1278
Downloads:	184
Metadata:
Categories:	FKBV
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Licences

License:	CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International

Link:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:	The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:	10.09.2020

Secondary language

Language:	English
Title:	Suitability of nitrogen fertilizers in soybean production
Abstract:	Within a project European innovative partnerships (EIP), we performed a one-year field experiment with soybean on the fields of Kmetijski inštitut Slovenije (KIS) in 2019. The experiment's title was Legumes – production, processing and use, and its aim was to establish the influence of the time of fertilization and of different levels of mineral nitrogen on the amount of the grown grain, on the amount of raw proteins and on certain important economic features of soybean plants. We added nitrogen at sowing and at additional fertilizations in the following measures: 0 kg N ha-1, 40 kg N ha-1, 80 kg N ha-1 and 120 kg N ha-1 In the given agricultural conditions, the time and measure of nitrogen did not significantly influence the produce of either soybean or raw protein. The amount of raw protein in dry matter of the grain was significantly lower on the fertilized items when compared to the control (0 kg N ha-1), 434 g kg-1 of grain. The highest measure added through fertilization (120 kg N ha-1) statistically infulenced the number of branches (1,17), and the measure 80 kg N ha-1 influenced the height of the first pod (12,0 cm) on the soybeam steam. The height of the fertilized plants in BBCH 17/51 phase is the same or significantly lower than the height of the control. Residues of mineral nitrogen in the soil after the harvest showed no significant difference between the fertilized and unfertilized treatments. Results of the one-year research have shown that fertilizing soybeans with nitrogen does not necessarily result in higher values of important economic features and can therefore not be recommended as a justifiable production measure.
Keywords:	soybean, nitrogen, fertilization, yield

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