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Vpliv pričakovanih klimatskih sprememb na pridelke ječmena (Hordeum vulgare L.) in koruze (Zea mays L.) : diplomska naloga = The potential impact of climate change on barley (Hodeum vulgare L.) and maize (Zea mays L.) yields : graduation thesisMihelj, IvanaKlima našega planeta se spreminja, k čemur prispeva tudi človek. Povečanje količine C02, NH4, 03, NOx, CFC-jev in vodne pare vpliva na povečan učinek tople grede. Po napovedih WMO je pričakovati v ... Sloveniji okoli leta 2050, ko naj bi vsi plini tople grede imeli ekvivalenten učinek na življenje na Zemlji kot podvojena koncentracija C02, povečano povprečno temperaturo zraka za vsaj 2°C. Za ugotavljanje posledic pričakovanih klimatskih sprememb na kmetijstvo je predstavljen agrometeorološki model AGROS, ki simulira rast, razvoj in pridelke dveh ekonomsko pomembnih in morfološko ter fiziološko različnih rastlin-jarega ječmena (Hordeum vulgare L.) in koruze (Zea mays L.). Izračunani so pridelki, skupna masa, HI in LAI za petnajst različnih vremenskih scenarijev za Ljubljano. Upoštevanih je pet povečanj temperature zraka (T=+0,+1,+2,+3,+4°C) in tri koncentracije C02 (350,450,700 ppm). Dvig temperature skrajša čas od vznika do zrelosti in fenofazi klasenja pri ječmenu ter metličenja pri koruzi nastopita predčasno. Na območjih osrednje Slovenije je pričakovati okoli leta 2050 močno povečanje primarne produkcije koruze (66%) in veliko manjše ječmena (21%). Intenzivnejša rast in predzgodnje dozorevanje bo povzročilo stranske probleme, ki bodo odvisni od izbire sort, lokacij, časa setve, gnojenja itd. Vendar so poleg reakcij rastlin na spremembe klime pomembni tudi ekomomski in politični problemi v kmetijstvu, katerim bo v bodoče potrebno nameniti več pozornosti.Type of material - undergr. thesis ; adult, seriousPublication and manufacture - Ljubljana : [I. Mihelj], 1992Language - slovenianCOBISS.SI-ID - 1953145
Author
Mihelj, Ivana
Other authors
Kajfež-Bogataj, Lučka
Topics
agrometeorologija |
modeli |
ječmen |
Hordeum vulgare L. |
koruza |
Zea mays L. |
pridelek |
klimatske spremembe |
klimatske spremembe
Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Agronomy, Lj. | AO D 1427 1 | available - outside loan, loan period: 1 months |
BF, Dept. of Agronomy, Lj. | AO D 1427 | available - reading room |
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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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Kajfež-Bogataj, Lučka | 09593 |
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