Biology · Crop Rotation
What is an established agronomic principle regarding root depth selection in crop rotation systems?
- 1Shallow-rooted crops should be grown continuously after shallow-rooted crops.
- 2Deep-rooted crops should exclusively follow other deep-rooted crops.
- 3Deep-rooted crops should be rotated with shallow-rooted crops.✓
- 4Rooting depth is irrelevant to crop rotation planning.
Correct answer
Deep-rooted crops should be rotated with shallow-rooted crops.
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