BF, Dept. of Agronomy, Lj. (BFAGR)
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Vpliv različnih dodatkov na hitrost in kvaliteto kompostiranja lignoceluloznih vrtnih odpadkov : diplomska naloga = The influence of different amendments on quality and composting time of lignocellulosic garden wastes : graduation thesisBačovnik, KristinaV poskusu kompostiranja lubja iglavcev in vej okrasnega grmičevja smo z namenom pospešitve kompostiranja in povečanja kvalitete kompostov oblikovali 7 kombinacij: kontrolna mešanica brez dodatkov ... (OM), OM z dodatkom mesnokostne moke (B1, B2), OM z dodatkom uree (U1, U2) in OM z dodatkom zrelega komposta (K1, K2). V obravnavanjih B1, U1 in K1 smo z ustreznim dodatkom dodali 4,5 kg dušika/kg OM (večji odmerek dušika), v B2, U2 in K2 pa 1,1 g N/kg OM (manjši odmerek dušika). Poskus je trajal 165 dni. V mešanicah smo tedensko spremljali temperaturo, mesečno pa gibanje dušika, ogljika, pH, električne prevodnosti, indeksa kalivosti in vsebnosti vlage. Večji odmerek dušika je pospešil začetno aktivnost, značilno skrajšal čas kompostiranja-dinamična faza je bila končana po 36 dneh-in zmanjšal izgube suhe snovi. V B1 se je organska snov zmanjšala za 11,1%, v U1 za 22,7%, v K1 za 16,0%. Izgube dušika so znašale v B1 14,5%, v U1 25,7%, v K1 13,0%. Manjši odmerek dušika je aktivnost procesov pospešil v manjši meri in ni značilno skrajšal časa kompostiranja-dinamična faza je trajala s prekinitvami vse do 129. dne. V B2 se je razgradilo 17,0%, v K2 29,2% in v U2 29,7% organske snovi, izgube dušika so bile v U2 23,7%, K2 13,9%, v B2 izgub ni bilo. V OM se je vsebnost organske snovi zmanjšala za 35,6%, dušika pa za 8,7%. Ugodno razmerje hranil smo dosegli pri C/N razmerju 19. Posebno pozornost je bilo potrebno posvečati vlagi mešanic.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [K. Bačovnik], 1995Language - slovenianCOBISS.SI-ID - 2034297
Author
Bačovnik, Kristina
Other authors
Lobnik, Franc, 1942-
Topics
kompostiranje |
lignocelulozni odpadki |
organska snov |
temperature zraka |
vlaga |
dušik |
ogljik |
električna prevodnost |
pH |
kalitveni testi |
kreša |
Lepidum sativum L. |
Lepidum sativum L.
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BF, Dept. of Agronomy, Lj. |
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available - outside loan, loan period: 1 months
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AO D 0000001600 AO D 1600 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Lobnik, Franc, 1942- | 00952 |
Source: Personal bibliographies
and: SICRIS
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