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Statements

Subject Item
n2:RIV%2F60460709%3A41210%2F13%3A61979%21RIV14-MZE-41210___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
After 1989, the use of potassium (K) mineral fertilizers in the Czech Republic rapidly dropped. In order to test alternative solutions for K fertilization, the trioctahedral mica mineral zinnwaldite (8% K), orthoclase (10% K) and waste mica from Cínovec (Czech Republic), consisting primarily of zinnwaldite, were applied as the only K sources for spring barley. The minerals were treated in three different types of high-energy mills under different working conditions. Application rates in the range 139–820 mg K kg-1 were tested in quartz sand cultures. In all treatments, plant growth, total plant biomass and the K content in the plant tissues increased in the order zinnwaldite > waste mica > orthoclase. K fractionation and K plant uptake were significantly influenced by the milling method used. The effect of 195 mg K kg-1 as zinnwaldite on K uptake from K-depleted soils was positive; however, it was smaller than in sand cultures because of the relatively high content of nonexchangeable K in the soils. After 1989, the use of potassium (K) mineral fertilizers in the Czech Republic rapidly dropped. In order to test alternative solutions for K fertilization, the trioctahedral mica mineral zinnwaldite (8% K), orthoclase (10% K) and waste mica from Cínovec (Czech Republic), consisting primarily of zinnwaldite, were applied as the only K sources for spring barley. The minerals were treated in three different types of high-energy mills under different working conditions. Application rates in the range 139–820 mg K kg-1 were tested in quartz sand cultures. In all treatments, plant growth, total plant biomass and the K content in the plant tissues increased in the order zinnwaldite > waste mica > orthoclase. K fractionation and K plant uptake were significantly influenced by the milling method used. The effect of 195 mg K kg-1 as zinnwaldite on K uptake from K-depleted soils was positive; however, it was smaller than in sand cultures because of the relatively high content of nonexchangeable K in the soils.
dcterms:title
Waste silicate minerals as potassium sources: a greenhouse study on spring barley Waste silicate minerals as potassium sources: a greenhouse study on spring barley
skos:prefLabel
Waste silicate minerals as potassium sources: a greenhouse study on spring barley Waste silicate minerals as potassium sources: a greenhouse study on spring barley
skos:notation
RIV/60460709:41210/13:61979!RIV14-MZE-41210___
n15:predkladatel
n16:orjk%3A41210
n3:aktivita
n12:P
n3:aktivity
P(QI91C118)
n3:cisloPeriodika
5
n3:dodaniDat
n5:2014
n3:domaciTvurceVysledku
n17:6699693
n3:druhVysledku
n13:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
117100
n3:idVysledku
RIV/60460709:41210/13:61979
n3:jazykVysledku
n6:eng
n3:klicovaSlova
potassium, fertilizers, waste processing, silicate minerals, high-energy milling
n3:klicoveSlovo
n4:waste%20processing n4:fertilizers n4:high-energy%20milling n4:silicate%20minerals n4:potassium
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[7FAD03E07C0E]
n3:nazevZdroje
Archives of Agronomy and Soil Science
n3:obor
n18:GD
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n11:QI91C118
n3:rokUplatneniVysledku
n5:2013
n3:svazekPeriodika
59
n3:tvurceVysledku
Kulhánek, Martin Faltus, Miloš Mayerová, Markéta Koubová, Magdalena Madaras, Mikuláš
n3:wos
000320642300004
s:issn
0365-0340
s:numberOfPages
13
n19:organizacniJednotka
41210