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← HistoryWhich outcome results from continuous maize cultivation on steeply terraced hillsides lacking adequate drainage?
A)Progressive soil acidification
B)Accelerated topsoil erosion✓
C)Decreased nutrient availability
D)Increased pest infestations
💡 Explanation
When maize is continuously cultivated on terraces lacking drainage, oversaturation occurs because rainfall accumulates, leading to soil instability promoting soil displacement. Therefore accelerated topsoil erosion results rather than acidification, decreased nutrients, or more pests, which arise from other causes like fertilizer use or monoculture problems.
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