This research is motivated by the importance of knowledge about alternative pest control that is safe but still supports the achievement of maximum oil palm production so that the balance of the oil palm plantation ecosystem can occur. The purpose of this study is to determine the technical cultivation and benefits of the Turnera subulata flower as a host plant for predators and parasitoids that function as biological agents for caterpillars and can be a reference for controlling caterpillar pests that are safe and still support the achievement of maximum oil palm production. The method used in this research is field observation and documentation from the company. The scope of this research covers the technical aspects of the biological control of caterpillars. This research data uses primary data and secondary data obtained from field observations and literature studies in the form of company reports in the form of percentages. The realization of Turnera subulata planting reached 21,659 m on CR road and 19,914 m on MR road. The planned planting of Turnera subulata is 57,200 m on the CR road and 45,823 m on the MR road. For the realization of the planting of Turnera subulata itself using seeds that are ready for planting. To obtain the seedling, the company conducts its nurseries. The seedling technique was done using the stem cutting technique. The stems for the cutting technique were taken from the Turnera subulata plant stems that have grown large. The type of stem taken is the old Turnera subulata plant stem. For seed care, the seeds are always watered every morning and evening like other flower plants. For the natural enemy insects, been proven that there are 6 natural enemy insects associated with Turnera subulata plants, 3 predators, and 3 parasitoids, each with a large enough number of insects. The types are Eocanthecona furcellata, Cosmolestes sp., Sycannus dichotomus, Spinaria spinator, Fornicia sp., and Chaetexorista javana. The development and the implementation of a control system are by optimizing the conservation and utilization of these biological control agents is a wise step to obtain an effective, efficient and environmentally friendly technique for controlling caterpillars. The presence of Turnera subulata plants can be used to suppress the development of pests in oil palm plantations by increasing the potential for natural enemies, both predators, and parasitoids. The diversity of wild plants with flowers can increase the variety of insects so that the balance of the ecosystem occurs.
Kualitas pelaporan belum sepenuhnya memenuhi Pedoman Kepmen LH Nomor 45/2005 terutama format laporan dan subtansi pelaporan. Realisasi jenis dampak yang wajib dikelola dan dipantau kategori “baik”. Tingkat capaian implementasi kegiatan pengelolaan dan pemantauan dampak lingkungan pada kategori “cukup baik” Implementasi pengelolaan dan pemantauan lingkungan belum optimal disebabkan oleh permasalahan koordinasi dan komitmen perusahaan, fokus kebijakan sektoral (PHPL dan Proper), jadwal dan kapasitas laboratorium, kapasitas pengetahuan dan kompetensi staf serta tidak ada umpan balik/koreksi. Penilaian pelaksanaan RKL-RPL oleh Instansi Lingkungan Hidup belum optimal disebabkan oleh permasalahan jumlah, kapasitas pengetahuan dan kompetensi staff. Evaluasi terhadap beberapa dampak hasil pemantauan masih memenuhi ketentuan/standar ilmiah. laju erosi kategori “Kelas III” atau “TBE sedang”. Kualitas air sungai sebesar 93,33% kategori “memenuhi BML” dan 6,67% kategori “telah melampaui BML”. Parameter air pada tingkat kritis “rendah” (68,89%). Indeks Pencemaran (IP) 66,67% tercemar “ringan” (IP 2,11–3,23) dan 33,33% kondisi “baik” (IP 0,29-0,84). Parameter air sungai yang tidak memenuhi BML meliputi timbal, DO, CaCO3, nitrit. Indeks keanekaragaman Shannon–Wiener vegetasi termasuk kriteria “tinggi”. Indeks keanekaragaman Shannon–Wiener fauna termasuk kriteria “sedang”. Indeks keanekaragaman Shannon-Wiener untuk plankton termasuk kriteria stabilitas komunitas biota sedang atau kualitas air tercemar sedang, sebaliknya untuk bentos termasuk kriteria stabilitas komunitas biota rendah atau kualitas air tercemar berat. Rekruitmen tenaga kerja lokal sebesar 90% atau meningkat 29,57% dari sebelum operasional.
With the existence of the oil palm company PT. Sawit Kaltim Lestari is intended to create jobs, expand job opportunities and business opportunities. Based on this, the oil palm company has a strategic meaning, which is expected to increase community income, support the balance of the economic structure and create and expand employment. Based on the explanation above, the problem in this study is how the impact of the establishment of the oil palm company PT. Sawit Kaltim Lestari towards community income in Sabintulung Village, Muara Kaman District. Then this study aims to determine the impact of the establishment of the oil palm company PT. Sawit Kaltim Lestari on community income in Sabintulung Village, Muara Kaman District
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