Q.20
What is the role of "companion planting" in agriculture?
EXPLANATION
शस्य विज्ञान, जुताई एवं फसल उत्पादन
- Companion planting: The agricultural practice of planting mutually beneficial plant species in close physical association to deter pests (e.g., marigold with tomato to repel nematodes, or aromatic herbs to mask crop scents), attract beneficial pollinators, or supply shade/support. (Correct answer)
- Crop rotation: The sequential cultivation of different crop families over successive seasons to restore soil fertility.
- Hydroponics: The technique of growing crops in water containing dissolved mineral nutrients without soil.
- Cover cropping: Growing dense vegetation to protect against erosion and reduce soil compaction, not increase it.
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