Physical effects of direct drilling equipment on undisturbed soils: IV. Techniques for measuring soil compaction in the vicinity of drilled groovesC.J. BakerT.V. Mai2012New Zealand Journal of Agricultural Research
Physical effects of direct drilling equipment on undisturbed soils: V. Groove compaction and seedling root developmentC.J. BakerT.V. Mai2012New Zealand Journal of Agricultural Research