Optimum nutrition and nitrogen saturation in Scots pine stands:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Uppsala
Swedish Univ. of Agricultural Sciences, Fac. of Forestry
1999
|
| Schriftenreihe: | Studia Forestalia Suecica
206 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 126 S. Ill., graph. Darst. |
| ISBN: | 9157659583 |
Internformat
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| 245 | 1 | 0 | |a Optimum nutrition and nitrogen saturation in Scots pine stands |c Carl Olof Tamm ... |
| 264 | 1 | |a Uppsala |b Swedish Univ. of Agricultural Sciences, Fac. of Forestry |c 1999 | |
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| 650 | 7 | |a Waldkiefer |2 swd | |
| 650 | 4 | |a Nitrogen fertilizers | |
| 650 | 4 | |a Scots pine |x Growth | |
| 650 | 4 | |a Scots pine |x Nutrition | |
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Datensatz im Suchindex
| _version_ | 1804128183311663104 |
|---|---|
| adam_text | Titel: Optimum nutrition and nitrogen saturation in Scots pine stands
Autor: Tamm, Carl Olof
Jahr: 1999
Contents
1. Introduction, 7
2. Sites and methods, 11
Sues and climate, 11
Lisselbo,
Norrliden,
Experimental design and treatments, 12
Foliar sampling, 15
Soil sampling, 15
Sources of error,
Chemical analysis of soil and plant material, 20
Soil,
Needle and biomass samples,
Incubation experiments,
Tree growth measurements, 21
Selection of sample trees for biomass,
Methods of calculation and statistical
analysis, 22
3. Soil chemical changes related to N and
PK regimes, 22
Changes in soil concentrations of biologically
important constituents, 23
Changes in soil acidity and base saturation.
Changes in concentrations of soil N fractions
and in C/N ratio,
Changes in soil stores of biologically important
constituents, 25
General comments,
Changes in amounts of exchange capacity, acid-
ity and cations.
Changes in stores of soil N fractions,
Total N.
Ammonium N.
Nitrate N,
Changes in soil biological activity, N turnover in
particular, 31
Incubation experiments.
Amount and distribution of ammonium and
nitrate in the soil in Expt E55 U and AN,
Studies of nitrate reductase in leaves.
N isotope studies.
Soil changes in N as part of an ecosystem budget:
discussion, 35
4. Changes in plant nutrient levels related
to N and PK regimes, 37
Foliar nutrient levels, 37
Nitrogen,
Phosphorus,
Potassium,
Calcium,
Magnesium,
Manganese,
Nutrient levels in other tree components, 41
Variation with treatment of element concen-
tration in wood and bark in experiment E55,
Estimates of nutrient concentrations in crown
components, using data from Expt E57,
Some tests on the comparability of wood and
bark data from E55 and E57,
Biomass concentrations in Expt E40 Lisselbo,
and in field vegetation, 47
5. Changes in stem production with N and
PK regimes, 47
Measurements and results, 47
Stem measurements,
Stand height and shoot elongation,
Basal area,
Basal area increment,
Relative stem volume growth.
Total stem production in different nutrient
regimes,
Conclusions, 55
6. Effects of N and PK regimes on pro-
duction and allocation of aboveground
biomass and its nutrient content, 56
Changes in biomass of aboveground tree com-
ponents, 56
Changes in plant nutrient stores in above
ground tree components, 59
7. Changes in ecosystem processes related
to N and PK regimes, 60
Introductory remarks.
Changes in litterfall and litter nutrient concen-
trations, 61
Results.
Studies in plant and soil biology at Norrliden and
Lisselbo. 67
Vegetation changes.
Soil fauna.
Occurrence of fungal fruiting bodies,
Amino acids in needles.
Litter decomposition.
Nitrogen and other plant nutrients as factors reg-
ulating primary production in young pine forest
ecosystems, 70
Statistical tests of tree growth relationships with
foliage nutrient concentrations.
Comparison with earlier attempts to use foliar
analysis in forest research,
Tree growth in relation to N regime or foliar
N concentration.
Relations between N status, foliage production,
and stem growth,
Traditional optimum curves for tree nutrition:
concluding remarks,
Distribution of native and added plant nutrients
in the ecosystem, 79
Distribution patterns,
Conclusions,
Apparent recovery of added N, 81
8. Interactions between tree nutrition and
factors other than N and PK regimes, 85
Effects of variation in elements other than N and
combined PK fertilisation, 85
Effects of irrigation, 87
Effect of interrupted fertilisation, 90
Effects of soil acidity manipulation, 92
Distribution of soil C and N in Expts E57 and
E42, 95
Effects of nutrient regimes on snow-damage
frequency, 95
9. Results in relation to the original
aims, 97
10. Results in relation to some problem
areas of current interest, 101
The meaning of nutrient optimum and the shape
of curves describing plant growth as a function of
nutrient supply, 101
Do optimum nutrient ranges vary with develop-
mental stage, stand age in particular?, 106
The fate ofN added to forest ecosystems by ferti-
lisation or deposition, 107
11. Suggestions for further research on ex-
perimental sites with controlled nutrient
regimes, 114
References, 116
Acknowledgements, 126
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| indexdate | 2024-07-09T18:45:11Z |
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| isbn | 9157659583 |
| language | English |
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| physical | 126 S. Ill., graph. Darst. |
| publishDate | 1999 |
| publishDateSearch | 1999 |
| publishDateSort | 1999 |
| publisher | Swedish Univ. of Agricultural Sciences, Fac. of Forestry |
| record_format | marc |
| series | Studia Forestalia Suecica |
| series2 | Studia Forestalia Suecica |
| spelling | Optimum nutrition and nitrogen saturation in Scots pine stands Carl Olof Tamm ... Uppsala Swedish Univ. of Agricultural Sciences, Fac. of Forestry 1999 126 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Studia Forestalia Suecica 206 Feldversuch swd Pflanzenernährung swd Stickstoffdüngung swd Waldkiefer swd Nitrogen fertilizers Scots pine Growth Scots pine Nutrition Tamm, Carl Olof Sonstige oth Studia Forestalia Suecica 206 (DE-604)BV006662237 206 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009142030&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Optimum nutrition and nitrogen saturation in Scots pine stands Studia Forestalia Suecica Feldversuch swd Pflanzenernährung swd Stickstoffdüngung swd Waldkiefer swd Nitrogen fertilizers Scots pine Growth Scots pine Nutrition |
| title | Optimum nutrition and nitrogen saturation in Scots pine stands |
| title_auth | Optimum nutrition and nitrogen saturation in Scots pine stands |
| title_exact_search | Optimum nutrition and nitrogen saturation in Scots pine stands |
| title_full | Optimum nutrition and nitrogen saturation in Scots pine stands Carl Olof Tamm ... |
| title_fullStr | Optimum nutrition and nitrogen saturation in Scots pine stands Carl Olof Tamm ... |
| title_full_unstemmed | Optimum nutrition and nitrogen saturation in Scots pine stands Carl Olof Tamm ... |
| title_short | Optimum nutrition and nitrogen saturation in Scots pine stands |
| title_sort | optimum nutrition and nitrogen saturation in scots pine stands |
| topic | Feldversuch swd Pflanzenernährung swd Stickstoffdüngung swd Waldkiefer swd Nitrogen fertilizers Scots pine Growth Scots pine Nutrition |
| topic_facet | Feldversuch Pflanzenernährung Stickstoffdüngung Waldkiefer Nitrogen fertilizers Scots pine Growth Scots pine Nutrition |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009142030&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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