15N fertilizer use efficiency by Spinach grown under portuguese field conditions

Acta Horticulturae

Volumn 563, Issue , 2001, Pages 67-72

  Carranca, C ^a   Soares Da Silva, A ^a   Fernandes, M ^a   Varela, J ^a  

^a Estacao Agronomica Nacional   (Portugal)

Author keywords

Blades; Cultivars; N rates; Ndff; Nitrate; Petioles; Roots

Indexed keywords

SPINACIA OLERACEA;

EID: 33846433593     PISSN: 05677572     EISSN: None     Source Type: Book Series    
DOI: 10.17660/ActaHortic.2001.563.7     Document Type: Conference Paper

References (18)

1. Borrego, J.V.M. 1992. Espimacas. In: Herbacea Especial. Universidad Politécmica de Valencia Horticultura (ed.): 239-247.
2. 15N tracer techniques. Thesis for Ph. D. degree in Agronomy. Estação Agronómica Nacional, Oeiras, p. 121.
3. Chapman, H.D. 1966. Diagnostic criteria for plants and soils. Univ. of California, Division of Agricultural Sciences.
4. Carranca, C, Soares da Silva, A., Barreiro, J.M., Fernandes, ML., Gusmão, M.R. and Varela, J. 2000. Nitrogen nutrition on spinach quality for fresh consumption and processing. Agronomia Lusitana 48:35-48.
5. EU 1993. Directive sur Contaminants Agricoles. Nitrates.
6. Fernandes, CL. 1979. Determinação de nitratos em extractos de solos e material vegetal. Relatório final do curso de Engenheiro Agrónomo, Instituto Superior de Agronomia, Lisboa.
7. Ferreira, J. 1997. Nitratos, agricultura biológica e qualidade. A Joaninha, 56:16-23.
8. rd edition. Westerman R.L. (ed.). Number 3 in the Soil Sience Society of America Book Series. Soil Science Society of America, Inc., Madison, pp. 549-562.
9. Jones Jr., J.B., Wolf, B. and Mills, H.A. 1991. Plant analysis handbook. A practical sampling, preparation, analysis, and interpretation guide. Micro-Macro Publishing Inc., p. 213.
10. L'hirondel, J. and L'hirondel, J.L. 1996. Les nitrates et l'Homme. Le mythe de leur toxicité. Liffré, France. Institut de l'Environment, p. 142.
11. Maynard, D.N., Barker, A.V., Minotti, P.L. and Peck, N.H. 1976. Nitrate accumulation in vegetables. Advances in Agronomy, 28: 71-118.
12. rd edition, International Potash Institute Publ., Switzerland, pp. 525-542.
13. Mompo, C. and Armentia, J.A., 1992. La agricultura y la contaminación de las aguas por nitrato. Ministerio de Agricultura, Pescas y Alimentacion, Madrid.
14. Santos, J.Q. 1991. Fertilização: fundamentos dos adubos e correctivos. Colecção Euroagro. Publicações Europa-América, p. 432.
15. Van Cleemput, O. and Baert, L. 1984. The fate of labelled fertilizer nitrogen split-applied winter wheat on a clay soil. Pedologie 34:291-301.
16. Ventura, V.M.C. 1997. A nutrição azótada do espinafre. Relatório final do curso de Engenheiro Técnico de Produção Vegetal. Estação Agronómica Nacional, Oeiras, p. 80.
17. rd edicion. Ediciones Mundi-Prensa, Madrid.
18. Wright, M.J. and Davison, K.L. 1964. Nitrate accumulation in crops and nitrate poisoning in animals. Advances in Agronomy, 16:197-247.