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Crop and soil management to increase water infiltration into frozen soil

Pikul, J.L. and Aase, J.K. (1997) Crop and soil management to increase water infiltration into frozen soil. pp. 206-211. In: Proceedings Intl. Symposium on Physics, Chemistry, and Ecology of Seasonally Frozen Soils. USA-AK-Fairbanks, 1997/06/10-12.

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Crop and soil management to trap snow and reduce spring-runoff have potential to increase soil water storage. A randomized field-design using ripped and non-ripped soil was used to test whether tillage improved water infiltration into frozen soil. Studies were conducted on annually grown spring wheat (Triticum aestivum L.) near Culbertson, Montana. Soil was a Dooley sandy loam (fineloamy, mixed Typic Argiboroll). Ripping was with a single shank at regular intervals on the contour. Soil water was measured using neutron attenuation and volumetric determinations. Final infiltration rate on frozen soil averaged 17 mm h-1 and 2 mm h-1 on ripped and non-ripped treatments, respectively. In spring, average water content of the top 1.2 m of soil, to a distance 1.5 m downslope from the rip, was 32 mm greater on ripped treatments compared to non-ripped treatments at comparable slope positions. There were no differences in wheat yield between treatments. Infiltration measurements show that soil ripping has potential to decrease water runoff.

Item Type: Conference or Workshop Item (Paper)
NWISRL Publication Number: 0939
Additional Information: **A.K.A NWISRL PUBLICATION 939a**
Subjects: Irrigation > Furrow irrigation > Infiltration
Mass Import - autoclassified (may be erroneous)
Depositing User: Dan Stieneke
Date Deposited: 20 Nov 2010 21:56
Last Modified: 22 Nov 2016 17:47
Item ID: 913

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