PROBLEM TO BE SOLVED: To provide a system that automatically shows a plurality of fertilization design patterns suitable for the soil and crop, in linkage with map data and in accordance with fertilization design conditions each including a different fertilizer pattern and priority condition so as to allow a user to compare the plurality of fertilization patterns on the same screen.;SOLUTION: The system includes means configured to receive designation of an agricultural field on the map, then to receive a fertilization design condition including a fertilizer pattern and a priority condition, to design fertilization patterns for the agricultural field, and to display the designed fertilization patterns on the same screen.;COPYRIGHT: (C)2012,JPO&INPIT
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