GCEAgricultural ScienceCrop Production2020

In crop production, the term 'hardening off' refers to

Atreating seeds with chemicals to prevent fungal infection
Bgradually acclimatising seedlings raised in a nursery to outdoor conditionsCORRECT
Cthe process of drying harvested grains to safe moisture levels
Dapplying lime to acidic soil to raise its pH
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Why the answer is B, and why the others tempt you.
Hardening off is the gradual process of exposing nursery-raised seedlings to outdoor environmental conditions such as full sunlight, wind, and temperature fluctuations before transplanting. This reduces transplanting shock and improves seedling survival rate. The other options describe seed dressing, grain drying, and liming respectively.
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