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Ukrepi za zmanjšanje izpiranja dušika v hmeljiščih izven rastne dobe : višješolska diplomska naloga = Vorkehrungen für das verringern der Auswaschung von Stickstoff im Hopfenanbau ausserhalb der Wachstumszeit : HochschuldiplomarbeitArnšek, AndrejV jesensko zimskem obdobju leta 1992-1993 smo ugotavljali stanje dušika v hmeljskem nasadu na peščeno ilovnatih tleh. Vzorčenje tal je bilo opravljeno v oktobru in marcu na zemljiščih zasejanih s ... pšenico, krmno ogrščico, krmno oljno redkvijo ter na preorani neobraščeni površini. Količine nitratnega dušika ob koncu zime so nekoliko višje od jesenskih, ker ni bilo zimskih padavin in s tem izpiranja. V primerjavi s krmno ogrščico 'straško', ki je najdlje rastla, se je vsebnost N03 - N povečala iz 24,7 kg N/ha na 32,2 kg N/ha. Vendar pa se je količina nitratnega dušika bistveno povečala predvsem na obdelani neporasli površini v obeh horizontih in sicer od 37,0 kg N/ha na 68,3 kg N/ha.Večja količina dušika pa je tudi v sloju zemlje od 0-30 cm na površini posejani s krmno oljno redkvijo 'raulo', ki je zaradi nizkih temperatur konec decembra propadla.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Arnšek], 1995Language - slovenianCOBISS.SI-ID - 2103161
Author
Arnšek, Andrej
Other authors
Leskošek, Mirko, 1923-2007
Topics
hmeljišča |
podorine |
nitrati |
izpiranje hranil |
organska gnojila |
dušik |
dušik
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Agronomy, Lj. | P Dv 762 | 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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Leskošek, Mirko, 1923-2007 | 00327 |
Source: Personal bibliographies
and: SICRIS
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