VSEBNOST KOVIN V RAZLIČNIH SORTAH JAGOD PRIDELANIH NA EKOLOŠKI IN INTEGRIRANI NAČIN

Brdnik, Janja

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Title:	VSEBNOST KOVIN V RAZLIČNIH SORTAH JAGOD PRIDELANIH NA EKOLOŠKI IN INTEGRIRANI NAČIN
Authors:	ID Brdnik, Janja (Author) ID Slekovec, Metka (Mentor) More about this mentor... ID Kristl, Janja (Co-mentor)
Files:	UNI_Brdnik_Janja_2010.pdf (11,22 MB) MD5: BAC418EAEB89FF7C63BDA34AA4502D65 PID: 20.500.12556/dkum/a741990b-225a-4e6b-88d4-ac3cd2487cee
Language:	Slovenian
Work type:	Undergraduate thesis
Organization:	FKBV - Faculty of Agriculture and Life Sciences
Abstract:	Leta 2009 smo odvzeli vzorce štirih sort jagod 'St.Pier', 'Elsanta', 'Sugar Lie' in 'Thuchampion' z namenom primerjati vsebnosti K, P, Mg, Fe, Mn, Cu in Zn v jagodah, pridelanih na ekološki in integriran način. Po ekstrakciji talnih vzorcev in po mikrovalovnem razklopu jagod, smo koncentracije kovin določili s spektroskopskimi tehnikami. Jagode, pridelane na integriran način, so pri vseh sortah vsebovale več K, P in Mg. Vrednosti Cu so bile višje pri ekološko pridelanih jagodah sorte 'Thuchampion'. Mn in Fe pa sta bila povečana v vseh sortah jagod, pridelanih na integriran način. Vzorci zemlje iz integrirane pridelave imajo višjo vsebnost Zn, K in P, kar je verjetno posledica gnojenja z NPK gnojili, vzorci zemlje iz ekološke pridelave pa so imeli višje vrednosti Cu, Mn, Mg in Fe. Rezultati so pokazali statistično pomembne razlike med sortami glede na način pridelave, glede na sorto pa so bile statistično pomembne razlike v vsebnosti vseh kovin z izjemo Zn.
Keywords:	jagode / kovine / način pridelave
Place of publishing:	Maribor
Year of publishing:	2010
PID:	20.500.12556/DKUM-16179
NUK URN:	URN:SI:UM:DK:KZ97NV6L
Publication date in DKUM:	15.10.2010
Views:	2352
Downloads:	212
Metadata:
Categories:	FKBV
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Secondary language

Language:	English
Title:	A comparison of metal concentration in different varieties of strawberries grown according to organic and integrated production techniques.
Abstract:	In 2009 we took samples of four strawberry varieties, i.e. 'St.Pier', 'Elsanta', 'Sugar Lie' and 'Thuchampion' with the aim to compare the contents of K, P, Mg, Fe, Mn, Cu and Zn in strawberries grown according to integrated and organic production techniques. After extracting soil samples and microwave digestion of strawberries, the concentrations of metals were determined by spectroscopic techniques. All varieties of non-organically grown strawberries contained higher levels of K, P and Mg. The Cu content was higher in organically produced 'Thuchampion' variety. The Mn and Fe concentrations were higher in all varieties in integrated production. Soil samples from integrated production contained higher levels of Zn, K and P, probably due to N-P-K fertilizers, while soil samples from organic production contained higher levels of Cu, Mn, Mg and Fe. According to production techniques, there were statistically significant differences in all varieties, while according to varieties we observed statistically significant differences in the contents of all metals, except for Zn.
Keywords:	strawberries / metals / production techniques

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