Word: ricefield
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Dates: during 1960-1969
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...others in test tanks. Their breeding habits were unaffected; during one two-month test, three pairs of caged pearlfish produced a total of almost 2,000 eggs. While 60% hatched under ideal laboratory conditions, as few as one-tenth of 1% of those left to dry in a simulated ricefield environment later produced fish. But even this rate, Bay calculated, is enough for a yearly population of about 38,000 fish per acre...
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