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Nutrition of coconuts in St Lucia and relationship of attack by coconut mite Aceria guerreronis Keifer

Tipo de material: TextoTextoSeries ; Tropical agriculture, 68(1), p.41-44, 1991Trabajos contenidos:
  • Moore, D
  • Ridout, M. S
  • Alexander, L
Tema(s): Recursos en línea: Resumen: A study by leaf analysis of the nutritional levels present in coconuts in St. Lucia showed that less than 2.5 percent of trees had adequate levels of all 3 major nutrients, N, P and K. N levels were generally inadequate as were P levels, though less seriously so. K levels were inadequate in some areas and excessive in others. There were some associations between nutrient status and levels of damage by Aceria guerreronis. Damage generally increased with increasing levels of N. At one site K was associated with decreasing mite damage.
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A study by leaf analysis of the nutritional levels present in coconuts in St. Lucia showed that less than 2.5 percent of trees had adequate levels of all 3 major nutrients, N, P and K. N levels were generally inadequate as were P levels, though less seriously so. K levels were inadequate in some areas and excessive in others. There were some associations between nutrient status and levels of damage by Aceria guerreronis. Damage generally increased with increasing levels of N. At one site K was associated with decreasing mite damage.

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