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Journal of Plant Nutrition Volume 10, 1987 - Issue 9-16: Tenth International Plant Nutrition Colloquium
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Nutrient elements

Nitrogen

Assessing critical nitrogen supply by means of nitrate reduciase activity in tomato and cucumber plants

J. L. Valenzuela Departamento de Biología Vegetal, Facultad de Ciencias, Universidad de Granada, Granada, España
,
A. Sanchez Departamento de Biología Vegetal, Facultad de Ciencias, Universidad de Granada, Granada, España
&
L. Romero Departamento de Biología Vegetal, Facultad de Ciencias, Universidad de Granada, Granada, España
Pages 1733-1741 | Published online: 21 Nov 2008

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I. Lopez‐Cantarero, F. A. Lorente & L. Romero. (1994) Are chlorophylls good indicators of nitrogen and phosphorus levels? . Journal of Plant Nutrition 17:6, pages 979-990.
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A. Sanchez, A. del Rio, M. Guzman, J. L. Valenzuela, I. Lopez‐Cantarero & L. Romero. (1992) Ion balance and its evolution in cultivars of melon (cucumia melo L.) irrigated with brackish water. Communications in Soil Science and Plant Analysis 23:17-20, pages 2749-2761.
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J.L. Valenzuela, A. Sánchez, A. del Rio & L. Romero. (1992) RELATIONSHIPS BETWEEN NITROGEN SUPPLY AND DIFFERENT PHOSPHORUS AND CALCIUM FRACTIONS IN LEAVES OF TOMATO AND CUCUMBER PLANTS. Israel Journal of Botany 41:2, pages 67-74.
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