subsistence farming
noun
1
                    
                                          
              
          
                                                      : farming or a system of farming that provides all or almost all the goods required by the farm family usually without any significant surplus for sale                                      
                
                    
2
                    
                                          
              
          
                                                      : farming or a system of farming that produces a minimum and often inadequate return to the farmer                                      
                
called also subsistence agriculture
                                                      subsistence farmer
                                      noun
                                                                            
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  Merriam-Webster unabridged




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