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Published in Agron J 91:744-752 (1999)
© 1999 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Increased Dryland Cropping Intensity with No-Till Barley

William F. Schillingera, R.James Cooka and Robert I. Papendicka

a Dep. of Crop and Soil Sciences, Dep. of Plant Pathology, and USDA-ARS, 201 Johnson Hall, Washington State Univ., Pullman, WA 99164-6420 USA



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  		Fig. 1 Early-season soil temperature variation 30 mm below soil surface at depth of seed placement in no-till sowing treatments compared with conventional tillage (zero line) on five dates in 1996 and three dates 1997 where the previous crop was spring barley or winter wheat. Numbers below bars indicate days without precipitation (DWP) preceding soil temperature measurement dates and maximum (MaxT) and minimum (MinT) air temperature on the days soil temperatures were recorded

 


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  		Fig. 2 Early-season soil water variation at three depths in no-till treatments compared with conventional tillage (zero line) on five dates in 1996 where the previous crop was spring barley or winter wheat. Numbers below bars indicate days without precipitation (DWP) preceding each soil water measurement date

 


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  		Fig. 3 Early-season soil water variation at three depths in no-till treatments compared with conventional tillage (zero line) on three dates in 1997 where the previous crop was spring barley or winter wheat. Numbers below bars indicate days without precipitation (DWP) preceding each soil water measurement date

 




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Copyright © 1999 by the American Society of Agronomy.