International Journal on Advanced Science, Engineering and Information Technology, Vol. 9 (2019) No. 6, pages: 2042-2047, DOI:10.18517/ijaseit.9.6.9749

The Impact of Palm Oil Mill Wastewater on the Soil Properties of Paddy Fields

- Aprisal, Werry Darta Taifur, Indra Dwipa, Teguh Haria Aditia Putra

Abstract

A paddy field is a wetland area which always muddy and constantly flooded by irrigation. This land possesses impermeable layers, hence the irrigation water quality ought to be maintained, to prevent changes in its properties, as well as the paddy field features. Furthermore, wetland pollution by the palm oil mill wastewater PT BSS was experienced in June 2018, characterized by a lowered quality of water in the fields of Manggopoh Village, Agam District, West Sumatra. The purpose of this study, therefore, is to determine the effect of PT BSS palm oil mill wastewater on the quality of paddy fields, using a survey method to obtain samples through random sampling techniques. This research was conducted downstream, based on the direction of flow along the irrigation channel as well as on the uncontaminated fields upstream.  Furthermore, a ring and ground drill was used in the collection process, and analysis for physical and chemical properties was conducted in the Soil laboratory of the faculty of Agriculture, Andalas University. Subsequently, the evaluation involved averaging the soil data, followed by a comparison with the criterion level of damage, and ANOVA was used to estimate the difference between sample point locations, at a significance level of 0.05%. The results obtained indicate the absence of any changes in soil properties, in contrast with the water characteristics that can cause damage because the paddy soil is in a saturated state. Thus, wastewater is unable to permeate the soil matrix. Hence, it does not change the properties, since the values obtained passed the threshold criteria for soil.

Keywords:

wastewater; paddy field; rice; polluted; palm oil.

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