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Year: 2009 ×Author: C. Ross ×Clear All Filters
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New Zealand Journal of Marine and Freshwater Research · 2009 · Vol. 43 · Issue 4 · Wiley
A study was carried out to determine the food safety status of watercress ( Nasturtium officinale ) harvested from rural streams under Maori protocol. Sixty‐five sample bunches (c. 500 g) were collected from four streams in the Waikato region of New Zealand each summer from 2005 to 2007. Two streams, Southern Enclosure and Te Waihou, were within reserves and the other two, Mangapiko and Piopio, flowed through pastoral farms. T...