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Description: Like chisel plows (NAL #4792), rippers such as this have teeth that penetrate to depths up to 18 inches, while mold board plows (NAL # 4789 and #4791) typically cut furrows only 6 to 8 inches deep. Since rippers alone such as that in NAL #4794 do not turn the soil over, like chisel plows they leave most residual vegetation on the surface. Therefore, this ripper was designed with a following disk to mix surface vegetation with the top 6 to 8 inches of soil as do mold board plows. All plows and rippers facilitate penetration of rainfall and plant growth, especially in compacted soils. These types of equipment typified those used commercially in the US in 2005.
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