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פותח על ידי קלירמאש פתרונות בע"מ -
Assessing on-farm irrigation water Use efficiency in southern Ontario
Year:
2010
Source of publication :
Canadian Water Resources Journal
Authors :
ברנייה, מארי-הלן
;
.
Volume :
35
Co-Authors:
Bernier, M.-H., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Madramootoo, C.A., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Mehdi, B.B., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Gollamudi, A., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Facilitators :
From page:
115
To page:
130
(
Total pages:
16
)
Abstract:
For high-value horticultural crop production in southern Ontario, irrigation is an essential ingredient in overcoming insufficient rainfall and achieving stabilized crop production. In a context where competition for limited water resources intensifies due to the expansion of the agricultural sector, increasing urban development and tourism, and potential climate change impacts, conserving water through efficient irrigation has become a key solution in addressing this growing challenge. The implementation of advanced soil water monitoring technologies and water budgeting methods for improved irrigation scheduling is examined with regard to water conservation and thus as a means to cope with competing demands for limited water supplies. During the 2007 growing season, soil moisture was measured using two sensors at four field sites (comprising a total of six irrigated zones as two sites include two different irrigation/production systems) in southern Ontario. Irrigation water consumption was measured by flow meters at three sites. In addition, a survey was administered to collect information on growers' current irrigation scheduling practices. On-farm irrigation performance was assessed by comparing calculated tomato, green bell pepper, strawberry and peach water requirements (using the water budget method) with growers' estimates of irrigation water use and with soil moisture measurements taken during the growing season. Four out of the six irrigated zones were excessively irrigated, while in one zone, water was insufficiently applied. The crop water requirements were met efficiently exclusively in one zone where tomatoes were grown. Overall, the results of this research show that by implementing advanced soil moisture monitoring technologies, growers can increase precision in water application and reduce the uncertainty in their current irrigation scheduling practices. © 2010 Canadian Water Resources Association.
Note:
Related Files :
climate change
irrigation
monitoring
Prunus persica
soil conservation
soil surveys
water conservation
עוד תגיות
תוכן קשור
More details
DOI :
10.4296/cwrj3502115
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
19516
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:29
Scientific Publication
Assessing on-farm irrigation water Use efficiency in southern Ontario
35
Bernier, M.-H., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Madramootoo, C.A., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Mehdi, B.B., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Gollamudi, A., Brace Centre for Water Resources Management, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
Assessing on-farm irrigation water Use efficiency in southern Ontario
For high-value horticultural crop production in southern Ontario, irrigation is an essential ingredient in overcoming insufficient rainfall and achieving stabilized crop production. In a context where competition for limited water resources intensifies due to the expansion of the agricultural sector, increasing urban development and tourism, and potential climate change impacts, conserving water through efficient irrigation has become a key solution in addressing this growing challenge. The implementation of advanced soil water monitoring technologies and water budgeting methods for improved irrigation scheduling is examined with regard to water conservation and thus as a means to cope with competing demands for limited water supplies. During the 2007 growing season, soil moisture was measured using two sensors at four field sites (comprising a total of six irrigated zones as two sites include two different irrigation/production systems) in southern Ontario. Irrigation water consumption was measured by flow meters at three sites. In addition, a survey was administered to collect information on growers' current irrigation scheduling practices. On-farm irrigation performance was assessed by comparing calculated tomato, green bell pepper, strawberry and peach water requirements (using the water budget method) with growers' estimates of irrigation water use and with soil moisture measurements taken during the growing season. Four out of the six irrigated zones were excessively irrigated, while in one zone, water was insufficiently applied. The crop water requirements were met efficiently exclusively in one zone where tomatoes were grown. Overall, the results of this research show that by implementing advanced soil moisture monitoring technologies, growers can increase precision in water application and reduce the uncertainty in their current irrigation scheduling practices. © 2010 Canadian Water Resources Association.
Scientific Publication
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