We tend 
                                                  to think of garden ponds as 
                                                  places of beauty, where we can 
                                                  admire goldfish cruising under 
                                                  lush flowering waterlilies or 
                                                  listen to the croaking of frogs. 
                                                  But ponds can also be highly 
                                                  productive places in the garden. 
                                                 
                                                 Many ancient civilizations 
                                                  realised the great fertility 
                                                  associated with aquatic environments. 
                                                  The most famous of these are 
                                                  the paddy fields of South East 
                                                  Asia or floating gardens of 
                                                  Mexico.  |