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Refer to Sidhu and Duiker (2006) A. Define soil compaction. B. Explain why conservation tillage leads to a concern over compaction. C. Give the treatments

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Refer to Sidhu and Duiker (2006) A. Define soil compaction. B. Explain why conservation tillage leads to a concern over compaction. C. Give the treatments and yield values (Mg ha ) with the highest and lowest 4-yr mean maize yields. Do not use acronyms

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