References
- Allison , D. W. and Dzialo , C. 1981 . The influence of lead, cadmium, and nickel on the growth of ryegrass and oats . Plant and Soil , 62 : 81 – 89 .
- Andersson , A. and Siman , G. 1991 . Levels of Cd and some other trace elements in soils and crops as influenced by lime and fertilizer level . Acta Agriculturae Scandinavica , 41 : 3 – 11 .
- Aoyama , M. and Nozawa , T. 1993 . Microbial biomass nitrogen and mineralization-immobilization processes of nitrogen in soils incubated with various organic materials . Soil Science and Plant Nutrition , 39 : 23 – 32 .
- Beioso , M. C. , Villar , M. C. , Cabaneiro , A. , Carballas , M. , González-Prieto , S. J. and Carballas , T. 1993 . Carbon and nitrogen mineralization in an acid soil fertilized with composted urban refuses . Bioresource Technology , 45 : 123 – 129 .
- Båth , B. and Rämert , B. 2000 . Organic household wastes as a nitrogen source in leek production . Acta Agriculturae Scandinavica, Sect. B, Soil and Plant Sei. , 49 : 201 – 208 .
- Bergmann , W. 1992 . Nutritional Disorders of Plants- Development, Visual and Analytical Diagnosis. Jena, Stuttgart , New York : Gustav Fischer .
- Bremnner , J. M. and Mulvaney , C. S. 1982 . “ Nitrogen—Total. ” . In Methods of Soil Analysis, Part 2, Agronomy Monograph no. 9 Edited by: Page , A. L. , Miller , R. H. and Keeney , D. R. 595 – 624 . Madison , , U.S.A. : American Society of Agronomy, Soil Science Society of America .
- Bunt , A. C. 1988 . Media and Mixes for Container-Grown Plants: A Manual on the Preparation and Use of Growing Media for Pot Plants., , 2nd edn. London , U.K. : Unwin Hyman .
- Castellanos , J. Z. and Pratt , P. F. 1981 . Nitrogen availability in animal manures and crop yields . Agrochimica , 25 : 443 – 451 .
- Christensen , T. H. 1984 . Cadmium soil sorption at low concentrations: 1. Effect of time, cadmium load, pH and calcium . Water, Air, and Soil Pollution , 21 : 105 – 114 .
- EC—Council Regulation No 1935/95 of June 1995 amending Regulation (EEC) No 2092/91 on organic production of agricultural products and indications referring thereto on agricultural products and foodstuffs. Official Journal NO. L. 186, 05/08/1995 P.0001–0007.
- Eklind , Y. , Beck-Friis , B. , Bengtsson , S. , Ejlertsson , J. , Kirchmann , H. , Mathisen , B. , Nordkvist , E. , Sonesson , U. , Svensson , B. H. and Torstensson , L. 1997 . Chemical characterisation of source-separated organic household wastes . Swedish Journal of Agricultural Research , 27 : 167 – 178 .
- Epstein , E. , Keane , D. B. , Meisinger , J. J. and Legg , J. O. 1978 . Mineralization of nitrogen from sewage sludge and sludge compost . Journal of Environmental Quality , 7 : 217 – 221 .
- Eriksson , J. E. 1989 . The influence of pH, soil type and time on adsorbtion and uptake by plants of Cd added to the soil . Water, Air, and Soil Pollution , 48 : 317 – 335 .
- He , Q. B. and Singh , B. R. 1995 . Cadmium availability to plants as affected by repeated applications of phosphorus fertilizers . Acta Agriculturae Scandinavica , 45 : 22 – 31 .
- Iglesias Jiménez , E. and Alvarez , C. E. 1992 . Apparent availability of nitrogen in composted municipal refuse . Biology and Fertility of Soils , 16 : 313 – 318 .
- Iglesias Jiménez , E. and Pérez García , V. 1989 . Evaluation of city refuse compost maturity: a review . Biological Wastes , 27 : 115 – 142 .
- Jorhem , L. and Sundström , B. 1993 . Levels of lead, cadmium, zinc, copper, nickel, chromium, manganese, and cobalt in foods on the Swedish market, 1983–1990 . Journal of Food Composition and Analysis , 6 : 223 – 241 .
- Karlsson , N. 1960 . Om undersökningar av trädgårdsjord. Statens lantbrukskemiska kontrollanstalt . Meddelande , 21 Bil. IV 19–46
- Kirchman , H. 1991 . Carbon and nitrogen mineralization of fresh, aerobic and anaerobic animal manures during incubation with soil . Swedish Journal of Agricultural Research , 21 : 165 – 173 .
- Klages , N. , Spilker , S. and Stützet , H. 1997 . “ Die meisten Unterschiede erklären sich aus dem Stickstoff. ” . In Taspo Gartenbaumagazin, February 44 – 45 .
- Kratky , B. A. and Mishima , H. Y. 1981 . Lettuce seeding and yield response to preplant and foliar fertilization during transplant production . Journal of the American Society for Horticultural Science , 106 : 3 – 7 .
- Kunkle , W. E. , Carr , L. E. , Carter , T. A. and Bossard , E. H. 1981 . Effect of flock and floor type on the levels of nutrients and heavy metals in broiler litter . Poultry Science , 60 : 1160 – 1164 .
- Magnusson , M. 2000 . “ Soil pH and nutrient uptake in cauliflower (Brassica oleráceo L. var. botrytis) and Broccoli (Brassica oleráceo L. var. italico) in northern Sweden. ” . In Acta Universitatis Agriculturae Sueciae. , Agraria 220 Dissertation
- Maier , N. A. , McLaughlin , M. J. , Heap , M. , Butt , M. , Smart , M. K. and Williams , C. M.J. 1997 . Effect of current-season application of calcitic lime on soil pH, yield and cadmium concentration in potato (Solanum tuberosum L.) tubers . Nutrient Cycling in Agroecosystems , 47 : 29 – 40 .
- Masson , J. , Tremblay , N. and Gosselin , N. 1991 . Effects of nitrogen fertilization and HPS supplementary lighting on vegetable transplant production. II. Yield . Journal of the American Society for Horticultural Science , 116 : 599 – 602 .
- Mathur , S. P. , Owen , G. , Dinel , H. and Schnitzer , M. 1993 . Determination of compost biomaturity. I. Literature review . Biological Agriculture & Horticulture , 10 : 65 – 85 .
- McCuIlagh , P. and Neider , J. 1989 . Generalized Linear Models. London , U.K. : Chapman and Hall .
- McLaughlin , M. J. , Palmer , L. T. , Tiller , K. G. , Beech , T. A. and Smart , M. K. 1994 . Increased soil salinity causes elevated cadmium concentrations in field-grown potato tubers . Journal of Environmental Quality , 23 : 1013 – 1018 .
- O'Dell , B. L. , Woods , W. D. , Laerdal , O. A. , Jeffay , A. M. and Savage , J. E. 1960 . Distribution of the major nitrogenous compounds and amino acids in chicken urine . Poultry Science , 39 : 426 – 432 .
- Rämert , B. , Hellqvist , S. , Ekbom , B. and Banks , J. E. 2001 . “ Assessment of trap crops for Lygus spp. in lettuce. ” . In International Journal of Pest Management (in press).
- SAS Institute Inc. 1989 . JMP User's Guide., , 2nd edn. Cary , , U.S.A. : SAS Institute .
- SAS Institute Inc. 1997 . SAS/Stat Software: Changes and Enhancements through Release 6.12. Cary , , U.S.A. : SAS Institute .
- Schwaninger , B. , Imhof , T. and Caloz , G. 2000 . Vinassediingung in der BioJungpflanzen-anzucht . Der Gemüsebau , 61 : 32 – 34 .
- Singh , B. R. , Narwal , R. P. , Jeng , A. S. and Almas , A. 1995 . Crop uptake and extractability of cadmium in soils naturally high in metals at different pH levels . Communications in Soil Science and Plant Analysis , 26 : 2123 – 2142 .
- Spurway , C. H. and Lawton , K. 1949 . Soil testing . Michigan State College, Technical Bulletin. , 132 East Lansing
- Tew Schrock , P. A. and Goldsberry , K. L. 1982 . Growth responses of seed geranium and petunia to N source and growing media . Journal of the American Society for Horticultural Science , 107 : 348 – 352 .
- Weston , L. A. and Zandstra , B. H. 1986 . Effect of root container size and location of production on growth and yield of tomato transplants . Journal of the American Society for Horticultural Science , 111 : 498 – 501 .
- Willaert , G. and Verloo , M. 1992 . Effects of various nitrogen fertilizers on the chemical and biological activity of major and trace elements in a cadmium contaminated soil . Pedologie , XLIII : 83 – 91 .