References
- Bertuzi , U. 1958 . Sobre las sustancias insolubles del tomate . Información conservera , VI (56) : 1158
- Bradford , M. 1976 . A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein‐dye binding . Anal. Biochem. , 72 : 248 – 254 .
- Cegarra , J. , Hernandez , T. and Costa , F. 1983 . Adición de residuos vegetales a suelos calizos. V. Influencia sobre el desarrollo vegetal . Anal. Edafol. Agrobiol. , 42 (3–4) : 545 – 552 .
- Cogger , C. , Engle , C.F. and Hermanson , R.E. 1987 . Sewage Sludge Guidelines for Washington , 464 Washington State University Cooperative Extension, United States Department of Agriculture Agriculture Information Bulletin .
- Fritz , D. and Venter , F. 1988 . Heavy metals in some vegetable crops as influenced by municipal waste compost . Acta Hort. , 222 : 51 – 62 .
- Jackson , A.P. and Alloway , B.J. 1990 . The bioavailability of Cd to lettuces and cabbages from soils previously amended with sewage sludge . Environ. Letters , 37 : 238 – 254 .
- Kloke , A. , Sauerbeck , D.R. and Vetter , H. 1984 . “ The contamination of plants and soils with heavy metals and the transport into terrestrial food chains ” . In Changing Metal Cycles and Human Heath , Edited by: Nriagu , J.O. 113 – 141 . Berlin, , Germany : Springer‐Verlag .
- López‐Andreu , F.J. , Esteban , R.M. , López , G.J. and Collado , J.G. 1987 . Incidence of nutrition in acidity and mineral content of tomato fruit . Agrochimica , 31 : 201 – 217 .