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Vpliv digestata iz bioplinske naprave za predelavo ostankov hrane na kalivost in rast izbranih testnih rastlin : diplomsko delo - visokošolski strokovni študij = The influence of the digestate from a food composting biogas plant on the germination and growth of selected test plants : graduation thesis - higher professional studiesRedenšek, FranjaVsakodnevno se srečujemo z odpadki, katere lahko s procesom recikliranja in predelave ponovno uporabimo. Eden izmed takih načinov je predelava biološko razgradljivih odpadkov, ki lahko poteka v ... bioplinarnah. Končni proizvod predelave sta bioplin, ki se lahko uporablja za ogrevanje ter digestat, ki je uporaben kot gnojilo. V našem poskusu so bili uporabljeni vzorci digestata iz podjetja KOTO, ki so bili pridelani iz ostankov hrane. Pri raziskavi so nas zanimali vpliv digestata na kalitev semen in rast rastlin ter vsebnost makro in mikro elementov v rastlinah. Opazovali smo odstotek kalitve semen štirih vrst rastlin trpeţne ljuljke (Lolium prenne L. 'CALIBRA'), ječmena (Hordeum vulgare L.), vrtne kreše (Lepidium sativum L. 'Cressida') in gorčice (Sinapis alba L.), ki so kalile v petrijevkah na papirju prepojenim s 100%, 50%, 25%, 12,5% in 0% izvlečkom digestata. Spremljali smo tudi hitrost rasti korenin kalic in poganjkov. Pri kalitvenem testu smo potrdili vpliv različnih koncentracij izvlečka digestata na kalitev semen. Pri največji koncentraciji je bil opaţen negativen vpliv na kalivost in na rast korenin. Za spremljanje dinamike rasti in intenzivnosti obarvanosti s klorofilom pri različnih deleţih digestata v osnovnem rastnem substratu (30% in 15% dodatek digestata ter kontrola) smo uporabili lončni poskus s koruzo (Zea mays), v trajanju petih tednov. Ob koncu poskusa smo analizirali vsebnost mikro in makro elementov v podzemnih in nadzemnih delih koruze ter v substratih, v katerih je koruza rasla. Ugotovljena je bila slabša rast pri največjem deleţu digestata v substratu, kar pripisujemo najmanjšim koncentracijam nitratov v tem substratu. Vsebnost makro in mikro elementov v nadzemnih in podzmenih delih koruze je pokazala močno korelacijo z deleţem dodanega digestata.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [F. Redenšek], 2016Language - slovenianCOBISS.SI-ID - 4546470
Author
Redenšek, Franja
Other authors
Turk, Boris, 1963- |
Zupan, Marko, 1962-
Topics
bioplinarna |
tla |
kemijska analiza
Library | Call number – location, accession no. ... | Copy status |
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BF, Forestry Library, Ljubljana | BFGO Knjižnica VDN 531 IN: 12016000599 |
available - outside loan, loan period: 1 days |
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Database name | Field | Year |
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Redenšek, Franja | |
Turk, Boris, 1963- | 10583 |
Zupan, Marko, 1962- | 08834 |
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