Kvaliteta humusa s čebulnim testom = Quality test of humus with onion
Kavčič, Ana, 1985-, agronomija
Kalilni test s čebulo smo postavili 22. 3. 2011 v želji, da potrdimo ali ovržemo tezo, da rastline potrebujejo gnojenje z razgrajenim organskim materialom. Kalitev čebulčkov smo spremljali v dveh ...različnih raztopinah, in sicer v vodni raztopini s kompostom ter v vodni raztopini z gnojem. Pri številu korenin ni bilo bistvenih razlik med raztopinama, vendar pa je do razlik prišlo pri merjenju koreninskega sistema, saj je bila dolžina vseh korenin čebulčkov v raztopini s kompostom 1.149,3 cm; v raztopini z gnojem pa le 373,2 cm. S pomočjo primerjave dolžinskega sistema korenin čebulčkov smo dokazali, da je rast korenin intenzivnejša v primeru uporabe komposta. Na podlagi tega lahko trdimo, da je bolj smiselna in primerna uporaba že predelanega hlevskega gnoja (Kavčič, 2011).
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