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Dinamika razvoja pridelka travne ruše pri različnem gnojenju v enem letu : diplomska naloga = Dynamic of development of meadow sward crop by different fertilization in one year : graduation thesisŽitek, DragoV priporočilih o času prve košnje trajnih travnikov praviloma ni upoštevano njihovo gnojenje. Zato je bila zastavljena naloga, ugotoviti, kdaj nastopi optimalni čas košnje - to je čas, ko količina ... pridelka neto energije laktacije (NEL) doseže maksimum - različno gnojene travne ruše. Raziskava je potekala leta 1986, na trajnem travniku na Laboratorijskem polju BF v Ljubljani: tla pod rušo so zmerno oglejena. Večletni gnojilni poskus, v katerem so bile izbrane gnojilne variante: negnojeno (O), gnojeno s PK (80/110ali 120/165 kg P205/K20 na ha) in gnojeno z N (PK +2x40 ali 2x60 in PK + 3x40 ali 3x60 kg N/ha), je bil v 13. letu izvajanja. V obdobju rasti sena je bilo opravljenih 8 zaporednih košenj v enotedenskih presledkih, enako v obdobju rasti otave; pri vsaki košnji je bila določena količina in kakovost pridelka. V 1. obdobju doseže optimalni čas košnje najprej ruša, gnojena z NPK; sledi ruša, gnojena s PK, najpozneje ta čas doseže negnojena ruša. V enakem zaporedju nastopi optimalni čas košnje v 2. obdobju. Ruša, gnojena z NPK, se najhitreje stara in najmočneje izgublja kakovost, negnojena ruša pa najpočasneje. Na staranje travne ruše in dinamiko njene hranilne vrednosti ima velik vpliv izpodraščanje mladih rastlin.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Žitek], 1991Language - slovenianCOBISS.SI-ID - 2357881
Author
Žitek, Drago
Other authors
Leskošek, Mirko, 1923-2007
Topics
travništvo |
travna ruša |
pridelek |
gnojenje |
košnja |
košnja
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Agronomy, Lj. | AO D 1370 01 | 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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Žitek, Drago | 13193 |
Leskošek, Mirko, 1923-2007 | 00327 |
Source: Personal bibliographies
and: SICRIS
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