Why human and animal waste should not be deposited in the fields norshould it be used as fertilizer
or:Why human and animal waste should not be deposited in the fields norshould it be used as fertilizeror:Disease organisms often inhabit animal wast
or:Why human and animal waste should not be deposited in the fields norshould it be used as fertilizer
or:Disease organisms often inhabit animal waste. They can multiply and infect the crops. Animal wastes are composted so all the disease organisms can die before the compost is used to fertilize food plants.
