References
- Braschi , I. , Ciavatta , C. , Giovanni , C. and Gessa , C. 2003 . Combined effect of water and organic matter on phosphorus availability in calcerous soils . Nutrient Cycling in Agroecosystems , 67 : 67 – 74 .
- Egner , H. , Riehm , H. and Domingo , W. R. 1960 . Untersuchungen über die chemische Bodenanalyse als Grundlage für die Beurteilung des Nahrstoffzustandes der Boden, II: Chemische Extractionsmetoden zu Phosphor‐ und Kaliumbestimmung . Kungliga Lantbrukshügskolans Annaler , 26 : 199 – 215 .
- Farina , M. P.W. and Channon , P. 1979 . A comparison of several P availability indexes . Gewasproduksie , 8 : 165 – 169 .
- Fixen , P. E. and Grove , J. H. 1990 . “ Testing soils for phosphorus ” . In Soil Testing and Plant Analysis Edited by: Westerman , R. L. 141 – 180 . Madison, Wisconsin : SSSA .
- Indiati , R. , Neri , U. , Magyar , M. and Csathó , P. 2002 . Effect of time, fertilizer phosphorus sources, and fertilization systems on phosphorus extractability of two soils from Hungary . Communications in Soil Science and Plant Analysis , 33 : 545 – 560 .
- International Standard Organisation, [ISO 11263: 1994 (E)] . 1994a . “ Soil quality—determination of phosphorus—spectrometric determination of phosphorus soluble in sodium hydrogen carbonate solution ” . Geneva, , Switzerland
- International Standard Organisation, [ISO 11464: 1994 (E)] . 1994b . “ Soil quality—pretreatment of samples for physico‐chemical analyses ” .
- International Standard Organisation, [ISO 10390: 1994 (E)] . 1994c . “ Soil quality—determination of pH ” .
- International Standard Organisation, [ISO 14235: 1998 (E)] . 1998 . “ Soil quality—determination of organic carbon by sulfochromic oxidation ” .
- Kamprath , E. J. and Watson , M. E. 1980 . “ Conventional soil and tissue tests for assessing the phosphorus status of soils ” . In The Role of Phosphorus in Agriculture Edited by: Khasawneh , F. E. , Sample , E. C. and Kamprath , E. J. 433 – 469 . Madison, Wisconsin : ASA, CSSA, SSSA .
- Lončarić , Z. , Vukadinović , V. , Bertić , B. and Teklić , T. 2003 . Calculator for the Brassicas fertilization recommendation . Acta Horticulturae , 627 : 153 – 160 .
- Maida , J. H.A. 1978 . Phosphate availability indices related to phosphate fractions in selected Malawi soils . Journal of the Science of Food and Agriculture , 29 : 423 – 428 .
- Smith , T. J. and Sanchez , P. A. 1982 . Phosphate rock and superphosphate combinations for soybeans in a Cerrado Oxisol . Agronomy Journal , 74 : 730 – 735 .
- Vukadinović , V. , Lončarić , Z. and Teklić , T. The implementation of the AL method in fertilizer recommendations in agriculture . Proceedings of the 18th International Conference on Information Technology Interfaces . Croatia. Edited by: Kalpi , D. and Hljuz Dobri , V. pp. 313 – 318 . University Computing Centre, University of Zagreb .