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A study of the growth and development of yarrow (Achillea millefolium L.)
(Lincoln College, University of Canterbury, 1980)
The response of yarrow (Achillea millefolium L.) seedlings to reduced light, interference from barley (Hordeum vulgare) and some aspects of regeneration from rhizomes were the subject of investigations from 1976 until 1980. ...
The effect of environmental factors and crop interference on the biology of yarrow (Achillea millefolium L.) seed and seedlings
(Lincoln College, University of Canterbury, 1983)
A population of 58 seedling yarrow (Achillea millefolium) plants m⁻² produced approximately 243,000 viable seeds per square metre in the first season of growth and development. Approximately 10% of the freshly harvested ...