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Semis direct des plantes fourrageres au quebec: une revue
Authors: G. Parent, S. Tessier, G. Allard et D.A. Angers
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Download file: https://library.csbe-scgab.ca/docs/journal/37/37_1_29_ocr.pdf
Published in: CBE Journal » CBE Journal Volume 37 (1995)
Download RAW file: https://library.csbe-scgab.ca/docs/journal/37/37_1_29_raw.pdf
DOI:
Description: No-tillage seeding offorage crops has drawn considerable interest over the last few years, principally because of the obvious savings associated with the reduced energy and labor requirements for soil preparation and rock picking on many typical dairy or beef cattle farms. However, this technique is yet seen to often result in less than satisfactory stand establishment of forage crops. A review of the current information on the changes in soil edaphic factors brought about byno-tillage seedingwasdeemednecessary toguideno-tillage seeder design or modifications to better meet the soil-seed environ ment needs of these generally very small seeded crops. Increased shading and decreased soil evaporation and heating are likely conse quences of the sometimes important residue mass retained at the surface with no-tillage. However, neither grass nor legume forage species are greatly affected by incoming light. While increased soil water availability near the soil surface may contribute to better emergence, establishment of these plant species should not be sig nificantly slowed by the range of reported temperature differences between no-tillage and conventional seeding. Because of the low seed energy reserves of many forage species, it is imperative that no-tillage seeding be as shallow (few millimetres) and as uniform as possible. Seed row firming is recommended to both close the furrow and increase soil-seed contact, but should be fairly light. Ideally, the press wheel should compact the soil around the seed and leave loose soil above it. Starter fertilisers should be placed differently according to the primary root development patterns of the forage species, to insure fast availability to these relatively slow growing plants. Fertil iser placement under the residue mass as well as under the seed seems most advantageous for no-tillage seeding. Finally, a no-tillage seeder should be able to place seed very near the surface, compact soil around the seed, and close the furrow without applying excessive pressure at the surface of the furrow, and place starter fertilisers under the seed to maximize forage crops emergence.
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Mots-clés:
Citation: G. Parent, S. Tessier, G. Allard et D.A. Angers 1995. SEMIS DIRECT DES PLANTES FOURRAGERES AU QUEBEC: UNE REVUE. Canadian Agricultural Engineering 37(1):29-39.
Volume: 37
Issue: 1
Pages -
Contributor:
Date: 1995
Technical field:
Conference name:
Session name:
Other information:
Type: Text.Article
Format: PDF
Publication type:
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: No-tillage seeding offorage crops has drawn considerable interest over the last few years, principally because of the obvious savings associated with the reduced energy and labor requirements for soil preparation and rock picking on many typical dairy or beef cattle farms. However, this technique is yet seen to often result in less than satisfactory stand establishment of forage crops. A review of the current information on the changes in soil edaphic factors brought about byno-tillage seedingwasdeemednecessary toguideno-tillage seeder design or modifications to better meet the soil-seed environ ment needs of these generally very small seeded crops. Increased shading and decreased soil evaporation and heating are likely conse quences of the sometimes important residue mass retained at the surface with no-tillage. However, neither grass nor legume forage species are greatly affected by incoming light. While increased soil water availability near the soil surface may contribute to better emergence, establishment of these plant species should not be sig nificantly slowed by the range of reported temperature differences between no-tillage and conventional seeding. Because of the low seed energy reserves of many forage species, it is imperative that no-tillage seeding be as shallow (few millimetres) and as uniform as possible. Seed row firming is recommended to both close the furrow and increase soil-seed contact, but should be fairly light. Ideally, the press wheel should compact the soil around the seed and leave loose soil above it. Starter fertilisers should be placed differently according to the primary root development patterns of the forage species, to insure fast availability to these relatively slow growing plants. Fertil iser placement under the residue mass as well as under the seed seems most advantageous for no-tillage seeding. Finally, a no-tillage seeder should be able to place seed very near the surface, compact soil around the seed, and close the furrow without applying excessive pressure at the surface of the furrow, and place starter fertilisers under the seed to maximize forage crops emergence.
Keywords:
Résumé:
Mots-clés:
Citation: G. Parent, S. Tessier, G. Allard et D.A. Angers 1995. SEMIS DIRECT DES PLANTES FOURRAGERES AU QUEBEC: UNE REVUE. Canadian Agricultural Engineering 37(1):29-39.
Volume: 37
Issue: 1
Pages -
Contributor:
Date: 1995
Technical field:
Conference name:
Session name:
Other information:
Type: Text.Article
Format: PDF
Publication type:
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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