Browsing by Author "Hari Adi, Setyono"

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    Integrating Spectroscopy in the Land Resources Monitoring to Support Agricultural Nutrient Management in Indonesia
    (Balai Penelitian Agroklimat dan Hidrologi, 2019-11-20) Hari Adi, Setyono; Balai Penelitian Agroklimat dan Hidrologi
    Spectroscopy studies material responses to the incident electromagnetic radiation. This method has been proven to be cost-effective for either soil or plant nutrient analysis. Furthermore, it offers rapid and high throughput quantitative data measurement with non-destructive, waste-free and minimal sample preparation processes. This article reviews potential use of spectroscopy technology in land resources monitoring as the cost-effective solution, particularly in the developing nations where natural resources monitoring might not be part of national development priority. The discussion is focused on the use of visual/near-infrared spectroscopy (VNIRS) for soil nutrients prediction, particularly to support cropland nutrient management of three main food crops in Indonesia, i.e. paddy, maize, and soybean.
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    Introduction To Spatial And Tabular Data Analysis With R
    (Balai Penelitian Agroklimat dan Hidrologi, 2019-11-20) Hari Adi, Setyono; Balai Penelitian Agroklimat dan Hidrologi
    Geographic Information System (GIS) has been extensively utilized in water resources management because it features integrated tools to analyze spatial and tabular dataset. Proprietary software for GIS processing is available in the market, but the cost is expensive that only certain organizations are able to make such investment. This article covers technical introductory on data analysis and GIS processing using R Statistics. R is a free statistical software that also support software extensions (packages) for spatial and tabular data manipulation. These features enable R as an integrated tool for big data analysis in GIS to support water resources modeling.