Vpliv različne obdelave tal, temperatur in padavin na izpuste CO2 iz lahkih tal

Hohler, Maja

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Title:	Vpliv različne obdelave tal, temperatur in padavin na izpuste CO2 iz lahkih tal
Authors:	ID Hohler, Maja (Author) ID Stajnko, Denis (Mentor) More about this mentor...
Files:	VS_Hohler_Maja_2014.pdf (2,33 MB) MD5: 35F39FCAE9DAD3A258D101B66B4B63EB
Language:	Slovenian
Work type:	Undergraduate thesis
Organization:	FKBV - Faculty of Agriculture and Life Sciences
Abstract:	Leta 2012 je bil izveden poljski poskus na lokaciji Podova v občini Rače-Fram, v kraju Gorica ob glavni cesti. V poskusu smo primerjali pojavnost izpustov ogljikovega dioksida iz lahkih tal med tremi tehnikami obdelave tal; oranje in priprava tal s predsetvenikom, rahljalnikom ter direktna setev. Namen poskusa je bil ugotoviti, kateri načini obdelave tal povzroča večje izpuste ogljikovega dioksida iz tal in ali so izpusti ogljikovega dioksida odvisni od temperature tal in padavin. Iz pridobljenih rezultatov smo ugotovili, da je najprimernejši način obdelave tal neposredna oziroma direktna setev. Ta način obdelave v primerjavi z drugima dvema načinoma ne prihrani le časa in energije za obdelavo, ampak tudi v veliki meri zmanjšuje izpuste CO2 iz tal, ne glede na količino padavin in temperaturo. Sledi ji konzervirajoča obdelava tal, ki izboljšuje vse lastnosti konvencionalne obdelave tal. Povprečni letni izpusti so se zvišali pri oranju 4,71 μmol/m2 s, pri rahljanju 4,53 μmol/m2 s in pri direktni setvi 2,70 μmol/m2 s.
Keywords:	obdelava tal, oranje, rahljalnik, direktna setev, izpusti CO2 iz tal
Place of publishing:	Maribor
Year of publishing:	2014
PID:	20.500.12556/DKUM-46134
NUK URN:	URN:SI:UM:DK:YIZDBEHO
Publication date in DKUM:	26.09.2014
Views:	1668
Downloads:	188
Metadata:
Categories:	FKBV
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Secondary language

Language:	English
Title:	Effect of different tillage techniques, temperature and precipitation on CO2 emissions from light soil
Abstract:	In 2012 a field experiment was carried out in Podova, the Rače-Fram district, in the village of Gorica. In this experiment we compared the occurrence of CO2 emissions from the light soil when three soil techniques were applied: ploughing with mouldboard plough and soil preparation with cultivator, chisel plough and direct sowing. The intention of the field trial was to find out, which type of soil treatment causes greater CO2 emissions and whether these emissions depend also on the soil temperature and precipitation. We found out that the most suitable soil treatment is direct sowing with the average yearly amount of 2.70 μmol/m2 CO2 emissions. This treatment, compared to the other two, not only saves time and energy but also decreases CO2 emissions, regardless of temperature and precipitation. This technique is followed by the preserving soil treatment with chisel plough with the average yearly amount of 4.53 μmol/m2 CO2 emissions, which improves all soil characteristics. The average yearly emissions have risen in ploughing in which the average yearly amount of 4.71 μmol/m2 s CO2 emissions was measured.
Keywords:	soil treatment technics, ploughing, chisel plough, direct sowing, CO2 emissions

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