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Nitrogen Metabolism and Yield Response to Increases in Nitrogen-Phosphorus Fertilization: Improvement in Greenhouse Cultivation of Eggplant (Solanum melongena Cv. Bonica)

Journal of Agricultural and Food Chemistry, ISSN: 0021-8561, Vol: 45, Issue: 11, Page: 4227-4231
1997
  • 35
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    35
    • Citation Indexes
      35
  • Captures
    5

Article Description

The effect that application of nitrogen-phosphorus (NP) rates exerts on some parameters of nitrogen metabolism and on yield in aubergine plants (eggplant, Solanum melongena cv. Bonica) was studied. All plants were grown under controlled conditions in an experimental greenhouse. The treatments consisted of the combination of three rates of N in the form of KNO (N: 15 g m, N: 22.5 g m, and N: 30 g m) together with two rates of P in the form of HPO (P: 24 g m and P: 36 g m), for a total of six treatments. Results indicate that regardless of the P rate applied, an increase in the N fertilizer increased NO assimilation as well as total and commercial yield. Use of the P rate favored all of these processes in comparison with the results obtained with the P rate, in addition to notably reducing the foliar levels of NO and noncommercial yield.

Bibliographic Details

Inmaculada López-Cantarero; Juan Manuel Ruiz; Joaquin Hernandez; Luis Romero

American Chemical Society (ACS)

Chemistry; Agricultural and Biological Sciences

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