"Porovn\u00E1n\u00ED extrak\u010Dn\u00EDch postup\u016F pro stanoven\u00ED obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B." . . "658916" . . "5"^^ . "Porovn\u00E1n\u00ED extrak\u010Dn\u00EDch postup\u016F pro stanoven\u00ED obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B."@cs . "Bazalov\u00E1, Marie" . "Praha" . "Praha" . "Porovn\u00E1n\u00ED extrak\u010Dn\u00EDch postup\u016F pro stanoven\u00ED obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B." . . . . "Sborn\u00EDk - Racion\u00E1ln\u00ED pou\u017Eit\u00ED hnojiv" . "3"^^ . "Effect of using different soil available phosphorus extraction methods on spatial variability of soil available phosphorus is discussed on this paper. Soil samples, takem from two different fields, were measured by using several extraction methods. Extraction of 0,01 M CaCl2 measured spectrophotometrically had not been correlated with any others in both fields. Mehlich III had been well correlated with Olsen also in calcareous soils."@en . "\u0160t\u00EDpek, Kamil" . "Phosphorus, extraction methods, spatial variability"@en . "\u0160ilha, Ji\u0159\u00ED" . "80-213-0957-1" . . "Z(MSM 412100005)" . "Comparison of several extraction methods of soil available phosphorus"@en . "Sz\u00E1kov\u00E1, Ji\u0159ina" . "41210" . "Porovn\u00E1n\u00ED extrak\u010Dn\u00EDch postup\u016F pro stanoven\u00ED obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B."@cs . "RIV/60460709:41210/02:00004197" . "0"^^ . . "0"^^ . "Van\u011Bk, V\u00E1clav" . "5"^^ . "\u010Cesk\u00E1 zem\u011Bd\u011Blsk\u00E1 univerzita v Praze" . "Comparison of several extraction methods of soil available phosphorus"@en . . . "[1E54C0D9A041]" . "RIV/60460709:41210/02:00004197!RIV/2003/MSM/412103/N" . . . "133-137" . . "Na vybran\u00FDch m\u00EDstech v r\u00E1mci dvou pozemk\u016F zem\u011Bd\u011Blsk\u00E9 farmy v \u0159epa\u0159sk\u00E9 v\u00FDrobn\u00ED oblasti u \u010Cesk\u00E9ho Brodu byly v r\u016Fzn\u00FDch term\u00EDnech odebr\u00E1ny vzorky ornice a byl sledov\u00E1n vliv r\u016Fzn\u00FDch extrak\u010Dn\u00EDch \u010Dinidel na \u00FArove\u0148 plo\u0161n\u00E9 variability obsahu p\u0159\u00EDstupn\u00E9ho fosforu v p\u016Fd\u011B. Obsah p\u0159\u00EDstupn\u00E9ho fosforu v 0,01 M CaCl2, m\u011B\u0159en\u00FD spektrofotometricky nekoreloval na obou pozemc\u00EDch s ani jednou z ostatn\u00EDch pou\u017Eit\u00FDch extrak\u010Dn\u00EDch metod. Hodnoty obsahu p\u0159\u00EDstupn\u00E9ho fosforu zji\u0161t\u011Bn\u00E9 metodou Mehlich III korelovaly velmi dob\u0159e s extrakc\u00ED P dle Olsena tak\u00E9 na alkalick\u00FDch p\u016Fd\u00E1ch." . . . . "2002-11-28+01:00"^^ . . . .