Phosphorus availability in hydromorphic soils of Eastern Croatia

https://doi.org/10.17221/4143-PSECitation:Petosić D., Kovacević V., Josipović M. (2003): Phosphorus availability in hydromorphic soils of Eastern Croatia. Plant Soil Environ., 49: 394-401.
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The phosphorus (P) availability was tested on hydromorphic soils located in theSavavalley. 480 soil profiles covering the area of31 227 hawas analysed in our study. The plant available P was determined by the Ammonium-Lactate method. The P availability in the surface layer (0–30 cm) is very low (up to 5 mg P2O5/100 g of soil) in about 30% of the tested agricultural land (9 440 ha), next 32% (9 897 ha) is in the range of a low P availability (from 5.1 to 10 mg), while only 17% (5 445 ha) has a good or very good P availability (above 20 mg). Especially high frequency of low P availability was found in vertic gley, amphygley and hypogley soils (total8 680 haor 28% of tested agricultural land).
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