The roots of many trees stretch out four to seven times farther than their leafy branches.
Natural cleaner
Natural cleaner A researcher has found that white rot fungi can be
used to break down pollutants in contaminated soil and water. When
starved of food, the fungi releases an enzyme which breaks down the
pollutants. The method could be very useful for cleaning waste
water generated by the paper industry. 10 OCTOBER 1998, P. 20
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