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Thermal Band Heating for Intra-Row Weed Control

Jørgensen, M.H.; Kristensen, E.F.; Kristensen, J.K. and Melander, B. (2004) Thermal Band Heating for Intra-Row Weed Control. In: De Baerdemaaker, Josse (Ed.) AgEng 2004, Leuven, Belgium. Book of Abstracts, ISBN 90-76019-258. Paper on CD 287, 8 pp, Technological Institute, Belgium.

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Summary

Surface steaming of soil is a very energy-intensive process, and consequently, efforts have been made to develop a machine for narrow-band steaming of the soil under and around rows of cultivated plants prior to seeding. The use of this machine may achieve up to 90% energy savings, and will also reduce the amount of damage to the flora and fauna. A special test rig has been developed with the objective of obtaining new information about narrow-band soil steaming. For a detailed analysis of the temperature profile in a cross-section of the processed band, an apparatus has been developed especially to record the temperatures obtained at 63 locations and at seven levels across the ditch. On the basis of the results from the test rig, a prototype band-steamer for field use has been developed. Tests have shown that soil temperatures exceeding 70C will be needed to protect against germination of weed seeds. For band heating such a treatment in 50 cm rows requires about 5.8 GJ/ha.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:weed control, steam, engineering, horticulture, organic
Subjects: Crop husbandry > Crop health, quality, protection
Crop husbandry > Weed management
Crop husbandry > Production systems > Vegetables
"Organics" in general > Country reports > Denmark
Research affiliation: Denmark > DARCOF II (2000-2005) > I. 9 (BANHEAT) Band heating for intra-row weed control
Deposited By: Kristensen, Erik Fløjgaard
ID Code:4807
Deposited On:20 May 2005
Last Modified:12 Apr 2010 07:30
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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