条件筛选
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Celery is difficult to germinate under high summer temperatures; what should be noted for raising seedlings?
Celery germination is difficult under high temperatures: points to note for raising celery seedlings in summer
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Severe bleeding in walnut makes grafting survival difficult, and grafted seedling management is key
Severe bleeding in walnut makes grafting survival difficult; post-grafting management of grafted walnut seedlings
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