Biology · Horticulture
What is the primary objective of sterilizing or disinfecting nursery soil before sowing?
- 1To selectively reduce excess macro and micronutrients in the root zone
- 2To induce physical hardening in young emergent seedlings
- 3To eradicate viable weed seeds, soil-borne pathogens, and insect pests✓
- 4To increase the chemical salinity and electrical conductivity of the medium
Correct answer
To eradicate viable weed seeds, soil-borne pathogens, and insect pests
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