Product Review: Spaders
These must-have machines help preserve soil structure
by Bill Pregler
Apr 2007 Issue of Wine Business Monthly
A Tortella spader tilling a vineyard with eight-foot row spacing. The spader, a unique form of tillage over 60 years old, is becoming the tool of choice for growers who increasingly embrace the importance of soil structure in the vineyard. At issue is soil compaction. With increased tractor activity (spraying, fertilizing or maintenance), compaction can qui...
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