BF, Dept. of Agronomy, Lj. (BFAGR)
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Cink in krom kot limitirajoča faktorja uporabe gošče čistilne naprave Domžale : diplomska naloga = Cink and chromium as limiting factors of sewage sludge use from municipal sewage plant Domžale : graduation thesisKnapič, MatejV lončnem poskusu v plastičnjaku smo ugotavljali vpliv gošče komunalne čistilne naprave Domžale na rast in razvoj ovsa (Avena sativa cv. Saladin). Preverjali smo dostopnost cinka (Zn) (O,3%) in kroma ... (Cr) (1%) iz gošče v primerjavi z dostopnostjo iz čistih soli obeh kovin. Dodali smo nizek (16 t s.s/ha) in visok odmerek gošče (64 t s.s/ha), hkrati pa zajeli vpliv dodatka slame na dostopnost obeh kovin. Ob dodatku nizkega odmerka gošče se je povečala vsebnost dostopnega Zn samo v tleh. V poskusni kombinaciji z visokim odmerkom gošče je narasla vsebnost Zn v rastlinah in v tleh. Dodatek slame je v obeh odmerkih gošče znižal vsebnost Zn v rastlinah in dostopnost Zn v tleh. Vplival je tudi na povečanje pridelka zrnja ovsa v poskusni kombinaciji z visokim odmerkom gošče. Cr iz gošče je bil težko dostopen. Raztopini čistih soli trivalentnega in šestvalentnega Cr sta delovali fitotoksično. Izvedli in preverili smo ustreznost testa, ki opredeli sposobnost tal, da oksidirajo trivalentno obliko Cr v šestvalentno obliko. Uporabili smo dva različna vzorca tal, ki sta imela različno sposobnost oksidacije. Tla podobnih lastnosti kot tla uporabljena v lončnem poskusu, so imela znatno večjo sposobnost oksidacije.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Knapič], 1991Language - slovenianCOBISS.SI-ID - 2364537
Author
Knapič, Matej
Other authors
Lobnik, Franc, 1942- |
Hudnik, Vida
Topics
komunalna gošča |
cink |
krom |
lončni poskus |
oves |
Avena sativa |
cv. saladin |
test oksidacije kroma |
Domžale |
Domžale
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BF, Dept. of Agronomy, Lj. |
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AO D 0000001374 AO D 1374 |
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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 |
Hudnik, Vida | 01027 |
Source: Personal bibliographies
and: SICRIS
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