Determination and mapping land sustainable agriculture to prevent exchangeable land functions in Bangli Regency, Bali

Abstract

The research was done in the area of paddy soil in Tembuku and Susut District, Bangli Regency, Bali, to the identification, evaluation, and mapping the paddy soil area that has to maintain as sustainable agriculture. To achieve these objectives, the research conducted through several activities, namely: soil survey and environment, physical and chemistry of soil analysis, and mapping the model of the prevented exchangeable paddy soil functions. Most of the paddy (54.55%) soil in Tembuku district, Bangli regency was a moderately suitable (S2) for rice plant, and 45.45% was marginally suitable (S3). In Susut district, Bangli regency, most of the paddy (55.55%) soil was a moderately suitable (S2) for rice plant, and 54.55% was marginally suitable (S3). The generally limiting factors were the low content of nitrogen, phosphorous, potassium, and organic matter. Depend on plan layout space (called RTRW) of Bangli regency, the paddy soil in Tembuku district could be changing function was agriculture land conversion, as 15.06 ha (2011 - 2021) and 37.36 ha (2021 - 2031) respectively; while in the Susut district, was 94.66 ha (2011-2031) could be changing function.