Broccoli thrives in moderate to cool climates and propagated by seeds, either sown directly in the field or in plant beds designed for producing transplants.
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Apropagated by seeds, either sown directly in the field or in plant beds designed for producing
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Bpropagated by seeds, sown either directly in the field or sown in plant beds designed so as to produce
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Cis propagated by seeds either sown directly in the field or in plant beds designed so that they produce
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Dis propagated by seeds sown either directly in the field or in plant beds designed to produce
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Eis propagated by seeds, sown either directly in the field or sown in plant beds designed for producing
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正确答案: D