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Benedek Sz . et al., 2008. A talaj könnyen oldható P-tartalmának vizsgálata HWP forróvizes talajextrakció alkalmazásával a Kleinhohenheim-i ökológiailag művelt vetésforgó kísérletben. In: 50. Georgikon Napok

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. & Czinkota, I., 1993. Hot water percolation (HWP): A new rapid soil extraction method. Plant and Soil. 157. 131–135. Senesi N., Miano T. M. & Proverzano, M. R., 1991. Fluorescence spectroscopy as a means of

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967 976 Füleky, G., Czinkota, I. (1993): Hot water percolation (HWP): A new rapid soil extraction method. Plant and Soil , 157 , 131

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Agrokémia és Talajtan
Authors: Alaeddin Elfoughi, Szilveszter Benedek, Hamuda Hosam E. A. F. Bayoumi, and György Füleky

–215. Füleky Gy. & Benedek Sz., 2009. Talajok AL- és forróvíz-oldható (HWP) P- és K-tartalmának összehasonlítása. Agrokémia és Talajtan. 58. 243–250. Füleky, Gy. & Benedek, Sz., 2010. Composting as recycling of biowaste

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Füleky GY. and Czinkota I., 1993: Hot water percolation (HWP). A new rapid soil extraction method. Plant and Soil, 157: 131–135. Czinkota I. Hot water percolation (HWP). A new rapid

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The new hot water percolation (HWP) method was introduced to determine the phosphorus supply of soils from the Soil Bank of 36 Hungarian soils. The present work aimed to explain the availability of phosphorus by determining the inorganic phosphate fractions and using ryegrass test plants. Four inorganic phosphate fractions were distinguished: Fraction I, the sorbed phosphates; Fraction II, the easily soluble Ca phosphates and the Al bound phosphates; Fraction III, the Fe phosphates; and Fraction IV, the hardly soluble Ca phosphates. Fraction II, in which the easily soluble Ca phosphates and Al phosphates accumulate, was the main phosphorus source for the test plants on both calcareous and non-calcareous soils. Fraction III (the iron phosphates) plays a greater role in non-calcareous soils, while Fraction IV (the hardly soluble Ca phosphates) in calcareous soils. Both fractions are closely connected with soil development, and with soil properties such as pH and CaCO 3 content. The hot water percolation method reflects the phosphorus supply of soil as well as that measured with ryegrass plants and with the AL method. This new HWP method is in good correlation with the main source of phosphate, with fraction II. For routine purposes the first collected HWP fraction can possibly be used to determine the phosphorus supply of soil correlating well with the phosphorus uptake of test plants.

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Bauxitbánya Vállalat fejlesztése és működtetéséről. May 17 1956. HNA ES XIX-F-17-ah. Box 1; Memorandum to András Hegedűs. August 21 1956. HNA HWP XIX-F-ah Box 1. For the documentation of the June 13-16 meeting see: Jegyzőkönyv a

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Alexa L.— Dér S. 2001. Szakszerű komposztálás elmélet és gyakorlat. Profikomp Könyvek. Füleky Gy., Czinkota I. 1993. Hot Water Percolatin (HWP). A New Rapid Soil Extraction Method. Plant and Soil. Vol. 157. 131

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–Heidelberg–London–New York. Füleky, Gy. & Czinkota, I., 1993. Hot water percolation (HWP): A new rapid soil extraction method. Plant and Soil. 157. 131–135. Kádár I., 2008. A mikroelemkutatások

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Annaler 26 . 199 – 215 . FÜLEKY G ., CZINKOTA I . 1993 . Hot water perkolation (HWP): A new rapid soil extraction method . Plant and Soil . 157 . 131 – 135 . FÜLEKY G . 2002 . Magyarország talajainak tápelem-szolgáltató képessége . In: Az

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