Fertilizers and their use: a pocket guide for extension officers
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Rome
2000
|
| Ausgabe: | 4. ed. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 70 S. Ill., graph. Darst. |
| ISBN: | 9251044147 |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804128377900105728 |
|---|---|
| adam_text | Titel: Fertilizers and their use
Autor:
Jahr: 2000
Fertilizers and their use
Contents
1. INTRODUCTION I
2. RATIONALE FOR THE NEED OF FERTILIZERS
(INCREASE OF PRODUCTION AND INCREASE
OF FARM INCOME) 1
Fertilizers increase crop yields 2
Organic manure improves fertilizer efficiency 4
3. NUTRIENTS - THEIR ROLE FOR THE PLANT AND
THEIR SOURCES 5
Nutrients needed for plant growth 5
The functions of nutrients 6
Photosynthesis 9
4. SOILS 11
What is a soil? 11
Soil constituents, texture and structure 12
How the soil holds nutrients and releases them 13
Soil organisms 16
Rhizobium / biological N-fixation / green manuring /
mycorrhizae 17
Soil reaction and liming 19
Soil and good agricultural practices 20
5. FERTILIZER RECOMMENDATIONS FOR SELECTED
CROPS ACCORDING TO THEIR NEEDS 21
6. THE IMPORTANCE OF BALANCED FERTILIZATION 26
7. FERTILIZERS. THEIR APPEARANCE, QUALITY.
LABELING 30
What is a fertilizer? 30
Fertilizer grades 32
Slow release fertilizers / nitrification and urease
inhibitors 38
8. CALCULATION OF FERTILIZER RATES 40
9. HOW TO APPLY FERTILIZERS 44
Broadcasting 44
Row or band placement 45
Top-dressing 45
Side-dressing 46
Foliar application 46
10. HOW TO DETERMINE FERTILIZER NEEDS 47
Hunger signs in plants 47
Soil tests 51
Plant testing 54
Fertilizer field trials 55
Long-term field experiments 56
11. OTHER FACTORS LIMITING CROP YIELDS 56
12. FERTILIZER EXTENSION WORK 58
Conducting a fertilizer demonstration 59
Determination of plot size 62
Calculation of fertilizer rates per plot 64
Broadcasting fertilizer on small plots 65
Evaluation of fertilizer demonstrations 66
Conducting meetings on fertilizers 67
13. CONCLUSIONS 69
ANNEX: CONVERSION FACTORS 70
|
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| bvnumber | BV013577272 |
| classification_tum | LAN 120f |
| ctrlnum | (OCoLC)455671411 (DE-599)BVBBV013577272 |
| discipline | Agrarwissenschaft Pflanzenbau |
| edition | 4. ed. |
| format | Book |
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| genre | (DE-588)4151278-9 Einführung gnd-content |
| genre_facet | Einführung |
| id | DE-604.BV013577272 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T18:48:17Z |
| institution | BVB |
| isbn | 9251044147 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009272226 |
| oclc_num | 455671411 |
| open_access_boolean | |
| owner | DE-M49 DE-BY-TUM |
| owner_facet | DE-M49 DE-BY-TUM |
| physical | 70 S. Ill., graph. Darst. |
| publishDate | 2000 |
| publishDateSearch | 2000 |
| publishDateSort | 2000 |
| record_format | marc |
| spelling | Fertilizers and their use a pocket guide for extension officers Food and Agriculture Organization of the United Nations ... 4. ed. Rome 2000 70 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Pflanzenernährung (DE-588)4133962-9 gnd rswk-swf Düngemittel (DE-588)4131714-2 gnd rswk-swf Düngung (DE-588)4013215-8 gnd rswk-swf (DE-588)4151278-9 Einführung gnd-content Düngung (DE-588)4013215-8 s DE-604 Düngemittel (DE-588)4131714-2 s Pflanzenernährung (DE-588)4133962-9 s HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009272226&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Fertilizers and their use a pocket guide for extension officers Pflanzenernährung (DE-588)4133962-9 gnd Düngemittel (DE-588)4131714-2 gnd Düngung (DE-588)4013215-8 gnd |
| subject_GND | (DE-588)4133962-9 (DE-588)4131714-2 (DE-588)4013215-8 (DE-588)4151278-9 |
| title | Fertilizers and their use a pocket guide for extension officers |
| title_auth | Fertilizers and their use a pocket guide for extension officers |
| title_exact_search | Fertilizers and their use a pocket guide for extension officers |
| title_full | Fertilizers and their use a pocket guide for extension officers Food and Agriculture Organization of the United Nations ... |
| title_fullStr | Fertilizers and their use a pocket guide for extension officers Food and Agriculture Organization of the United Nations ... |
| title_full_unstemmed | Fertilizers and their use a pocket guide for extension officers Food and Agriculture Organization of the United Nations ... |
| title_short | Fertilizers and their use |
| title_sort | fertilizers and their use a pocket guide for extension officers |
| title_sub | a pocket guide for extension officers |
| topic | Pflanzenernährung (DE-588)4133962-9 gnd Düngemittel (DE-588)4131714-2 gnd Düngung (DE-588)4013215-8 gnd |
| topic_facet | Pflanzenernährung Düngemittel Düngung Einführung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009272226&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |