| CPC A01C 21/005 (2013.01) [G01S 19/13 (2013.01); G06Q 50/02 (2013.01)] | 13 Claims | 

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               1. A work map provision server comprising: 
            a memory configured to store first processor-executable code, a plurality of fertilizer application maps, and respective attribute information for each fertilizer application map of the plurality of fertilizer application maps, wherein: 
                the respective attribute information for each of the fertilizer application maps includes work identification information indicating work for which a corresponding fertilizer application map is to be used, and 
                  each fertilizer application map of the plurality of fertilizer application maps is composed of second processor-executable code that, when executed by a processor of a work vehicle, controls the work vehicle to apply a target amount of fertilizer to each respective area of a plurality of areas in a farm field; and 
                a processor in communication with the memory, the processor configured to execute the first processor-executable code to: 
              receive a map acquisition request, the map acquisition request including map narrowing-down information that includes information specifying work to be performed, 
                  select a fertilizer application map, from among the plurality of fertilizer application maps, that is indicated to be used for the specified work in the map acquisition request based on the information specifying work to be performed and the respective work identification information for each fertilizer application map, and 
                  transmit the fertilizer application map for use by the work vehicle. 
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