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Journal : Seminar Nasional Lahan Suboptimal

Sebaran Residu Insektisida Parathion pada Lahan Pertanian Bawang Merah di Kecamatan Wanasari Kabupaten Brebes Indratin Indratin; Mochamad Arief Budihardjo; Muhammad Helmi
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Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Indratin I, Budihardjo MA, Helmi M. 2020. Distribution of parathion insecticide residue in shallot agriculture land in wanasari sub-district, Brebes regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang  20 Oktober 2020. pp. xx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The use of pesticides in agricultural land tends to be excessive because farmers think that pesticides can increase yields. It can also pollute the environment. Many farmers often use organophosphate insecticides as the efforts in controlling the pests of shallot plant organisms, one of which is Parathion. The use of Parathion has been banned by the Indonesian government since 2015 for agriculture. This research aims to determine the distribution of Parathion residue in the lower red agricultural land in Wanasari sub-district, Brebes Regency. The research was carried out in March - July 2020 in Wanasari sub-district. Soil samples were taken to the Integrated Laboratory of the Indonesian Agricultural Environment Research Institute to be analyzed the residual content of Parathion by using the QueCheRS method. The mapping of the residue distribution method used ArcGIS 10.4 with the Spline interpolation method. The results of laboratory analysis identified the residual content of Parathion between <LoD : 0.0025 mg kg-1 to 0.0956 mg kg-1. The residual content of the Parathion which was identified to exceed the LoD value was spread over 17 soil sampling points, all identified below the MRLs  value. The identified land area in the very low category was 806.08 ha and identified as low was 1,563.81 ha. The distribution of parathion residues in shallot agricultural land in Wanasari sub-district was identified in the very low and low categories, this needs to be watched out for because it is possible for the farmers to still use parathion type insecticides in shallot cultivation.
Sebaran Residu Endosulfan dan DDT di Lahan Pertanian Kecamatan Wanasari, Kabupaten Brebes Poniman Poniman; Tri Retnaningsih Soeprobowati; Muhammad Helmi
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Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Poniman P, Soeprobowati TR, Helmi M. 2020. Distributions residue of  endosulfan and DDT in  lands agricultural wanasari sub-district, Brebes regency. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx. Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).As the result of pesticide use by exaggerated on farming sector can causing land degradation. The movement of some shallot farmers agriculture from Brebes Regency to neighboring districts, such as Cirebon, Majalengka, and Kendal is evidence of the degradation of shallot land in Brebes. The pesticides of Endosulfan and DDT were many and often used to control pests during the green revolution. The research aimed to determine the distribution residues of endosulfan and DDT  in the upstream area of Wanasari sub-District. The research was carried out by taking soil samples in the field, analyzing pesticide residues in laboratory, and mapping the distribution of residues. A total of 45 soil sample points were collected from the upstream part rice fields of Wanasari sub-District, Brebes Regency. Residue analysis was carried out at the Integrated Laboratory of the Agricultural Environment Research Institute, using the QuEChERS method. Meanwhile, the residue distribution mapping used the Spline interpolation method. From the identified land of 4,688,825 ha, it was detected that the endosulfan residue in the high-very high category was 1,605,576 ha (34.2%) and the high-very high category of DDT residue was 752.2028 ha (16.0%).