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In biology, the BBCH-scale for leafy vegetables not forming heads describes the phenological development of leafy vegetables not forming heads, such as spinach, loosehead lettuce, and kale, using the BBCH-scale.
The phenological growth stages and BBCH-identification keys of leafy vegetables not forming heads are:
Main shoot has reached 30% of the expected height typical for the variety²
Main shoot has reached 50% of the expected height typical for the variety²
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