Abstract
Based on Regional Statistical Data for South Konawe Regency (2021) the harvested area of patchouli plants reached 427 ha with a total production of 924 tons or an average production of 2.16 tons ha-1 in 2019, but patchouli production has decreased sharply, where in 2020 production Patchouli only achieves an average production of 0.34 tons ha-1. This also happened in Wolasi Sub-District as one of the patchouli cultivation centers for South Konawe Regency. The average production is still far below the national average. It is suspected that the soil fertility factor is one of the causes of the decreased productivity of patchouli plants in Wolasi District. This research was carried out on patchouli plantations in Wolasi District, South Konawe Regency. The research objectives were: 1) to determine the relationship between soil physical characteristics and patchouli production in Wolasi District. The research was carried out from September to November 2022. The research method used a survey method which was based on field observations and soil analysis at the Soil Science Laboratory, Halu Oleo University. Determining the location of sampling of soil and patchouli production at the location of patchouli plantations in Wolasi District uses a composite sampling technique. There are 12 soil sampling locations. The results of the soil analysis were then statistically analyzed using Microsoft Excel software. Analysis was conducted to reveal the relationship between soil physical characteristics (porosity, bulk density and soil depth) with patchouli production. The results showed that content weight had a positive correlation and affected patchouli productivity by 23.23%. Porosity has a positive correlation and affects patchouli productivity by 16.68%. Effective depth has a positive correlation and affects patchouli productivity by 36.3%.Keywords: regression analysis, patchouli productivity, soil physical properties
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