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Potato Yield and Quality Response to Subsoil Tillage and Compaction

^a Dep. of Horticulture, University of Wisconsin-Madison, Madison, WI 53706
^b Dep. of Soil Sci., Univ. of Wisconsin-Madison, Madison, WI 53706

View larger version (26K): [in this window] [in a new window]   Fig. 1. Cone penetration resistance (cone index) profiles under potato as influence by supplemental compaction and subsoil tillage in small plot trials on a Plainfield Loamy Sand near Hancock, WI, in 2003, 2004, and 2005.

View larger version (13K): [in this window] [in a new window]   Fig. 2. Cone penetration resistance (cone index) profiles under conventional and subsoil tillage in potato in commercial field trials on a Plainfield Loamy Sand near Coloma, WI in 2003 and 2004.