The use of roots to test n, p and k deficiencies in eucalyptus nutrition

John Dighton; Helen E. Jones

doi:10.1080/00382167.1992.9630408

The use of roots to test n, p and k deficiencies in eucalyptus nutrition

John Dighton, Helen E. Jones

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Bioassays have been developed which can provide diagnostics of the nutritional status of trees. They measure the flux of N, P or Rb for K into roots from standard solutions where the rate of influx is inversely related to nutrient supply. The bioassays have been applied in the study of nutrient deficiencies in Eucalyptus grandis in both pot and field trials, and showed greater sensitivity than foliar analysis in detecting nutrient deficiencies and interactions between elements which may influence growth and wood production. The way in which these bioassays could be used as a management tool is discussed.

Original language	English (US)
Pages (from-to)	33-37
Number of pages	5
Journal	South African Forestry Journal
Volume	160
Issue number	1
DOIs	https://doi.org/10.1080/00382167.1992.9630408
State	Published - Mar 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Forestry
Plant Science

Keywords

Eucalyptus grandis
Foliar analysis
Nutrition
Root bioassays

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10.1080/00382167.1992.9630408

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abstract = "Bioassays have been developed which can provide diagnostics of the nutritional status of trees. They measure the flux of N, P or Rb for K into roots from standard solutions where the rate of influx is inversely related to nutrient supply. The bioassays have been applied in the study of nutrient deficiencies in Eucalyptus grandis in both pot and field trials, and showed greater sensitivity than foliar analysis in detecting nutrient deficiencies and interactions between elements which may influence growth and wood production. The way in which these bioassays could be used as a management tool is discussed.",

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AB - Bioassays have been developed which can provide diagnostics of the nutritional status of trees. They measure the flux of N, P or Rb for K into roots from standard solutions where the rate of influx is inversely related to nutrient supply. The bioassays have been applied in the study of nutrient deficiencies in Eucalyptus grandis in both pot and field trials, and showed greater sensitivity than foliar analysis in detecting nutrient deficiencies and interactions between elements which may influence growth and wood production. The way in which these bioassays could be used as a management tool is discussed.

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KW - Root bioassays

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The use of roots to test n, p and k deficiencies in eucalyptus nutrition

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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