"\u010Casov\u00E1 zm\u011Bna v plo\u0161n\u00E9 variabilit\u011B obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B"@cs . "Na pozemku Klu\u010Dov o v\u00FDm\u011B\u0159e 10.5 ha byla sledov\u00E1na \u010Dasov\u00E1 zm\u011Bna v plo\u0161n\u00E9 variabilit\u011B obsahu p\u0159ijateln\u00E9ho fosforu. Byly odebr\u00E1ny vzorky ornice z profilu 0-30 cm v pravideln\u00E9 odb\u011Brov\u00E9 s\u00EDti bod\u016F 40\u00B440 m po dobu dvou let, v\u017Edy ve dvou jarn\u00EDch a podzimn\u00EDch term\u00EDnech. Obsah p\u0159ijateln\u00E9ho fosforu v p\u016Fd\u011B byl stanoven metodou Mehlich III. \u00DArove\u0148 variability byla vyj\u00E1d\u0159ena varia\u010Dn\u00EDm koeficientem CV a m\u00EDra plo\u0161n\u00E9 z\u00E1vislosti byla pops\u00E1na relativn\u00EDm nugget efektem (Co/Co+C). Byl sledov\u00E1n rovn\u011B\u017E vliv teploty a vlhkostip\u016Fdy na dynamiku obsahu p\u0159\u00EDstupn\u00E9ho fosforu. Vysok\u00E9 hodnoty CV (51 - 64%) a n\u00EDzk\u00FD nugget efekt b\u011Bhem cel\u00E9ho obdob\u00ED sledov\u00E1n\u00ED (Co/Co+C = 12 - 14 %) ukazuj\u00ED na silnou plo\u0161nou variabilitu obsahu p\u0159\u00EDstupn\u00E9ho P, kter\u00E1 nez\u00E1vis\u00ED na term\u00EDnu odb\u011Bru p\u016Fdn\u00EDch vzork \u016F." . "\u010Casov\u00E1 zm\u011Bna v plo\u0161n\u00E9 variabilit\u011B obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B" . "Temporal changes in spatial variability of soil available phosphorus"@en . . "RIV/60460709:41210/03:00005675!RIV/2004/MSM/412104/N" . . "5"^^ . "\u010Casov\u00E1 zm\u011Bna v plo\u0161n\u00E9 variabilit\u011B obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B"@cs . "\u010Casov\u00E1 zm\u011Bna v plo\u0161n\u00E9 variabilit\u011B obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B" . "Temporal changes in spatial variability of soil available phosphorus have been studied in a field of area 10.5 ha, located near \u010Cesk\u00FD Brod. Soil samples were colected from soil profile 0-30 cm using the point sampling method with regular grid square pattern of 40\u00D7 40m across the whole field. Selected area were sampled eight times during two years period. To determine the available phosphorus Mehlich III extraction method was used. Map plots, representing spatial variability of soil available P in first,fifth anf eight sampling period and experimental variograms with fitted model were processed to determine seasonal changes in spatial variability of soil available P. Effect of soil temperature and soil moisture dynamics on the temporal variability of s oil available phosphorus was evaluated too. High coefficients of variation ( CV = 51 - 64%) and low nugget effect in semivariograms (12 - 14%) shows that there is strong spatial variability of soil available phosphorus which doesn't depend on soil sampli"@en . "\u0160ilha, Ji\u0159\u00ED" . . "\u0160t\u00EDpek, Kamil" . . "phosphorus;temporal variability;spatial variability;nugget effect"@en . . . "3"^^ . "0"^^ . "0"^^ . "3"^^ . . . "80-7157-664-6" . . "138-142" . . . . "2003-06-04+02:00"^^ . "Sborn\u00EDk - V\u00FD\u017Eiva rostlin v trvale udr\u017Eiteln\u00E9m zem\u011Bd\u011Blstv\u00ED" . . . "41210" . "600418" . "Van\u011Bk, V\u00E1clav" . "RIV/60460709:41210/03:00005675" . . "Brno" . "Mendelova zem\u011Bd\u011Blsk\u00E1 a lesnick\u00E1 univerzita v Brn\u011B" . "Brno" . "Z(MSM 412100005)" . . "Temporal changes in spatial variability of soil available phosphorus"@en . . . "[9C2F0EE6F3DD]" . .