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In the Sufficiency Economy Farming, recycling side-product for feeding its own farm is the core concept of self-reliance and sustainability. Although practical guidelines to apply SEfarming concepts were published and distributed, few farm owners have adopted the concept and very few successfully achieve a result. One and the foremost issue is a complexity of material recycling. Since there are many waste types produced from the process, farmers cannot decide which waste or combination of wastes to be used. Based on the nutrition requirement differed from lands, it remains a puzzle on what and how many of wastes to be used that will be sufficient for plant to grow healthily. This work presents a method to assist in selection of appropriate wastes for farm objects. It is designed to dynamically support the difference in farm setting and available wastes in farm. The method starts with the determining a farm requirement based on user’s input. The second is initial fertilizer assignment process, to start suggesting a waste and its amount, the output of nutrition requirement from the previous system plays an important role. The third is assignment of remaining nutrition process, The initial assignment is expected to fill majority of the nutritious requirement. From testing its potential, the results were outstanding as 90% of the test case were in an acceptable range. Quality of suggestion in terms of provided nutrients were closed to the requirement despite using wastes and side-products self-produced in the farm.
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