Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
2007
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| Ausgabe: | 1. Aufl. |
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| 020 | |a 386727357X |9 3-86727-357-X | ||
| 020 | |a 9783867273572 |9 978-3-86727-357-2 | ||
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| 100 | 1 | |a Torres Dorante, Luis Omar |d 1974- |e Verfasser |0 (DE-588)134027345 |4 aut | |
| 245 | 1 | 0 | |a Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |c von Luis Omar Torres Dorante |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a Göttingen |b Cuvillier |c 2007 | |
| 300 | |a XV, 110 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Zugl.: Hannover, Univ., Diss., 2007 | ||
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022157309&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-022157309 | |
Datensatz im Suchindex
| _version_ | 1819704917995028480 |
|---|---|
| adam_text | List of contents
Kurzfassung iii
Abstract vii
List of contents xi
List of units, abbreviations and symbols xiv
1 Introduction 1
2 Material and methods 8
2.1 Production, chemical analysis and anion exchange capacity of the
LDH mineral 8
2.1.1 Production of the LDH 8
2.1.2 Chemical analysis of the LDH 8
2.1.3 Determination of the nitrate exchange capacity of the LDH 9
2.2 Experimental set ups 10
2.2.1 Laboratory experiments in aqueous solutions 10
2.2.1.1 Nitrate adsorption isotherms 10
2.2.1.2 Selectivity for anion adsorption on the LDH in a
simulated soil solution 11
2.2.1.3 Repeated nitrate adsorption and desorption on the
LDH 11
2.2.2 Soil and plant pot experiments 12
2.2.2.1 Physical and chemical characteristics of the soils 12
2.2.2.2 Determination of the soil nitrate gradients from the
LDH surface 13
2.2.2.3 Nitrate adsorption on the LDH in soil 13
2.2.2.4 Long-term stability of the LDH in soil 14
2.2.2.5 Long-term pot trials under greenhouse conditions 15
2.3 Soil and plant extraction and analytical methods 20
2.4 Structural analysis of the LDH 22
2.5 Data analysis and statistics 23
3 Results and discussion 24
3.1 Characterization of the nitrate adsorption and desorption properties of
the LDH mineral in aqueous solutions and in soil 24
3.1.1 Nitrate adsorption isotherms in aqueous solutions 24
3.1.2 Selectivity for nitrate adsorption in a simulated soil solution 25
3.1.3 Repeated nitrate adsorption and desorption properties in
aqueous solutions 27
3.1.4 Influence of increasing LDH application rates on the equilibrium
nitrate concentration in aqueous solution 32
3.1.5 Investigations on the nitrate diffusion towards LOH particles 33
3.2 Evaluation of the nitrate adsorption and desorption capacity of the LDH
during several cropping and fallow periods 38
3.2.1 Influence of increasing LDH application rates on plant N uptake
and nitrate-N content in soil solution at harvest 38
3.2.2 Nitrate adsorption on LDH during a fallow period and influence
on nitrate-N leaching losses 42
3.2.3 Evaluation of the long-term nitrate exchange capacity of the
LDH under cultivation 45
3.3 Long-term stability of the LDH under non-cropped and cropped
conditions 56
3.3.1 Evaluation of the long-term LDH stability under non-cropped
conditions 56
3.3.1.1 Influence of soil pH on the long-term stability of the
LDH 56
3.3.1.2 Evaluation of ttre influence of LDH particle density on
the long-term stability and nitrate adsorption capacity 58
3.3.2 Evaluation of the long-term LDH stability under cropping
conditions 64
3.4 Investigations of the structural changes of the LOH under cropped
conditions and effects on the nitrate adsorption capacity 69
4 General discussion 74
5 Conclusions and practical applications 86
6 References 89
7 Annexes 101
xiii
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| any_adam_object | 1 |
| author | Torres Dorante, Luis Omar 1974- |
| author_GND | (DE-588)134027345 |
| author_facet | Torres Dorante, Luis Omar 1974- |
| author_role | aut |
| author_sort | Torres Dorante, Luis Omar 1974- |
| author_variant | d l o t dlo dlot |
| building | Verbundindex |
| bvnumber | BV026601617 |
| ctrlnum | (OCoLC)222342342 (DE-599)DNB985618248 |
| dewey-full | 631.82 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 631 - Techniques, equipment & materials |
| dewey-raw | 631.82 |
| dewey-search | 631.82 |
| dewey-sort | 3631.82 |
| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| edition | 1. Aufl. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV026601617 |
| illustrated | Illustrated |
| indexdate | 2024-12-24T00:51:03Z |
| institution | BVB |
| isbn | 386727357X 9783867273572 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-022157309 |
| oclc_num | 222342342 |
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| owner | DE-188 |
| owner_facet | DE-188 |
| physical | XV, 110 S. graph. Darst. |
| publishDate | 2007 |
| publishDateSearch | 2007 |
| publishDateSort | 2007 |
| publisher | Cuvillier |
| record_format | marc |
| spellingShingle | Torres Dorante, Luis Omar 1974- Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |
| subject_GND | (DE-588)4113937-9 |
| title | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |
| title_auth | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |
| title_exact_search | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |
| title_full | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil von Luis Omar Torres Dorante |
| title_fullStr | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil von Luis Omar Torres Dorante |
| title_full_unstemmed | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil von Luis Omar Torres Dorante |
| title_short | Evaluation of a layered double hydroxide (LDH) mineral as a long-term nitrate exchanger in soil |
| title_sort | evaluation of a layered double hydroxide ldh mineral as a long term nitrate exchanger in soil |
| topic_facet | Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022157309&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT torresdoranteluisomar evaluationofalayereddoublehydroxideldhmineralasalongtermnitrateexchangerinsoil |