Authors: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

China's use of 'night soil,' as the Chinese rightly call a manure that is collected after dark, is probably the reason that its soils are still healthy after four millennia of intensive agriculture, while other great civilizations - the Maya, for one - floundered when their soils turned to dust.

Rose George

         
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