Effect of Fertigation on Soil Salinization and Aggregate Stability
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VIEW THE REPLYPublication: Journal of Irrigation and Drainage Engineering
Volume 141, Issue 4
Abstract
Physicochemical properties of a Haplic Chernozem soil were measured while applying fertigation in a natural grassland during the growing season in a hemiboreal climate with irrigation management based on the decision support system–fertigation simulator (DSS-FS) model. The experimental field was divided into four parcels which were exposed to four different irrigation treatments: fertigation with nutritive solution A [electrical conductivity , ), fertigation with nutritive solution B (, ), irrigation with raw water without any injected fertilizers (, ), and control parcel (no treatment). Rainfall effect on soil desalinization through salt leaching was monitored by comparing the evolution of soil electrical conductivity during and after the growing season. The soil electrical conductivity of the chemigated parcels (parcels A and B) was higher than the control parcels (parcels C and D) at the end of the growing season. This difference decreased significantly, becoming negligible after the winter due to an efficient desalinization effect of rain and snow.
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Acknowledgments
This study was partly supported by research grant no. MSM6046070901 Sustainable Agriculture, Quality of Agricultural Products, Sustainable Use of Natural and Landscape Resources of the Czech University of Life Sciences in Prague, financed by the Ministry of Education, Youth and Sports of the Czech Republic. The authors would like to thank Rute Paredes ([email protected]) for the English review of this work.
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Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 141 • Issue 4 • April 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Feb 28, 2014
Accepted: Jul 24, 2014
Published online: Sep 17, 2014
Discussion open until: Feb 17, 2015
Published in print: Apr 1, 2015
ASCE Technical Topics:
- Aggregates
- Chemical properties
- Chemistry
- Climates
- Electrical conductivity
- Environmental engineering
- Geomechanics
- Geotechnical engineering
- Infrastructure
- Irrigation
- Irrigation engineering
- Material mechanics
- Material properties
- Materials engineering
- Pavements
- Salinity
- Seasonal variations
- Soil dynamics
- Soil mechanics
- Soil properties
- Soil stabilization
- Transportation engineering
- Water and water resources
- Water treatment
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