PT Sumatera Prima Fibreboard (PT SPF) is a private company that produces medium-density fibreboard or MDF. PT SPF made a green area in several locations in the factory environment as an effort to reduce air pollution, especially CO2 gas due to MDF production activities. The function of the green area as a store of carbon reserves has an essential role in reducing and suppressing the release of …
The high level of environmental pollution caused by improper waste treatment often causes various kinds of diseases and bad odors. Organic waste originating from living things can be used as a compost product if it is processed properly and has a good impaact on the environment. The C/N ratio is an indicator of the quality of organic fertilizers derived from the mixture and composition of the w…
ANTAGONISM ABILITY ENDHOPHYTIC FUNGI OF KABAU (Archidendron bubalinum (Jack) I.C. Nielsen) FRUIT AGAINST Colletrichum capsici IPBCC 13.1098 Anggi Sandra 08041381924091 ABSTRACT One of the obstacles in the cultivation of red chili is anthracnose disease or fruit rot which has been widely reported as one of the diseases that often attacks red chili cultivation. Efforts to control and prevent Coll…
The use of plastic as food packaging dominates polystyrene plastic, namely styrofoam, because of its light characteristics and the fact that it can be carried without realizing it, releasing large amounts of waste into the environment. Overcoming styrofoam plastic can be done by using insects from the Coleoptera order, namely Tenebrio molitor L., better known to the common people as the Hongkon…
Through the length of Batanghari River, there are many community activities, such as fishing, coal-carrying, and industrial activities. These various activities can cause pollution of the aquatic environment, such as pollution of heavy metals Pb and Cu. This pollution can be overcome by using phytoremediation techniques using Avicennia alba Blume. which grows in Mangrove Forest Nature Reserve E…
Lingkungan perairan di sungai Musi telah tercemar logam berat timbal disebabkan aktivitas industralisasi. Timbal dapat terakumulasi kedalam tubuh manusia dan menyebabkan penyakit kronis sehingga diperlukan alternatif untuk mengurangi timbal pada perairan sungai. Penelitian ini bertujuan untuk mengetahui seberapa resisten bakteri endofit pada akar eceng gondok terhadap timbal dan mengetahui iden…
Vaname shrimp (Litopenaeus vannamei) was initially well received by shrimp farmers in Indonesia. However, in recent years vannamei shrimp have experienced a decline in production due to disease attacks, which are caused by viruses, one of which is the White Spot Syndrome Virus (WSSV). This study aims to detect WSSV in vannamei shrimp using the WSSV Nugen Kit. This research was conducted from No…
Organic waste includes fruits, vegetables and coconut dregs which still contain nutrients in them. The nutritional content of fruit, vegetable and coconut waste can be used as an alternative feed for the mealworm (Tenebrio molitor L.). The nutritional content is not sufficient for the mealworm (Tenebrio molitor L.) so that a fermentation treatment using EM4 is needed to increase the nutrient co…
The Curup Batu Beladung Waterfall tourist area is a newly opened tourist attraction; therefore, information regarding biodiversity, especially that of dragonflies, is not yet available. Dragonflies are a species that has an important role in the ecosystem. The aim of this research was to determine the types of dragonflies (Order Odonata) found in the Curup Batu Beladung Waterfall tourist area. …
Penelitian yang berjudul ‘’Struktur Komunitas Makrozoobentos di Sungai Air Bengkulu, Kota Bengkulu’’ dilaksanakan pada bulan Agustus sampai dengan selesai 2022, bertempat di Sungai Air Bengkulu bagian hilir, Kota Bengkulu. Metode penelitian yang digunakan adalah dengan menggunakan metode survei dan observasi. Metode ini digunakan untuk mencari kesesuaian kondisi dan ruang lingkup area p…
Ginger (Zingiber officinale) is a type of medicinal plant belonging to the Zingiberaceae family. Increasing the growth of ginger rhizome can be done by using natural growth regulators. Coconut water is a source of natural growth regulators. Different coconut varieties are thought to have different compositions of biochemical compounds, including growth regulators contained in coconut water. The…
ajah Sumatera termasuk hewan yang masuk kedalam kategori terancam punah atau Critically Endangered (CR) Upaya pelestarian gajah terus dilakukan oleh pemerintah, salah satu cara yaitu dengan pembangunan Pusat Latihan Gajah Jalur 21 di Suaka Margasatwa Padang Sugihan. Permasalahan yang sering dialami oleh gajah pada wilayah konservasi yaitu permasalahan kesehatan, salah satunya infeksi endoparasi…
Oil palm empty fruit bunches (EFBF) waste is a waste that takes a long time to degrade, this is due to the high cellulose content in EFB waste. Cellulose is a hydrolyzed polysaccharide to produce cellobiose and glucose monomers. Cellulase can be produced by plants, yeast, bacteria and cellulolytic fungi. Fungi have the ability to decompose cellulose found in dead plant tissues into simpler comp…
Pertambangan batubara di Indonesia banyak dilakukan secara terbuka(surface mining). Penambangan batubara yang dilakukan secara terbuka akanmelepaskan asam sulfat dan mendorong terjadinya oksidasi mineral sulfida.Proses ini selanjutnya akan menghasilkan limbah berupa air asam tambang (AAT) dan mengakibatkan tingginya akumulasi logam berat pada tanah dan air. Air asamtambang (AAT) memiliki nilai …
Most of society depends on the use of plastic as packaging material. The material most commonly used as a constituent of plastics comes from PET (Polyethylene terephthalate). Dependence on PET-based plastics causes a high increase in landfills due to non-degradability materials. PET can be degraded by physicals and chemicals method, but those methods raise the problem of secondary environmental…
Palembang City is a growing city, so there is a lot of increased activity in the city. One of the centers of community activity is the road, because roads connect land transportation, causing pollution. Jalan Demang Lebar Daun is one of the streets in the city of Palembang which is busy with activity because it is in the middle of the city. Human activity on the road can increase the amount of …
Butterfly pea flower (Clitoria ternatea L.) is used as a natural dye and herbal medicine because it contains metabolites. The content of these metabolites is influenced by the phase of flower development. This study aims to determine the abundance of metabolites, anthocyanin levels, and antioxidant levels in butterfly pea flowers based on the flowering phase with a non-targeted metabolomics app…
The bintaro plant (Cerbera manghas L.) is a poisonous plant of the Apocynaceae family that has potential as an anticancer agent because it contains secondary metabolite compounds that show cytotoxic activity which can be known based on the level of toxicity. This study aims to determine the acute toxicity of n-hexane extract, ethyl acetate extract, and methanol extract of bintaro fruit on the m…
PT Sumatera Prima Fibreboard is a private company engaged in the industry that produces MDF wood. PT SPF created a greening area in several locations in the factory environment as an effort to reduce air pollution, especially CO2 gas due to MDF production activities. Trees planted in greening areas have an important role to be able to clean the air and as a habitat for various other organisms s…
This study aims to determine the effect of STEM-based learning on water cycle material on the topic of the flood phenomenon for the system thinking ability of junior high school students. The population of this study were all students of class VII of SMPN 57 Palembang. Determination of the sample using Random Sampling technique so that class VII.1 was selected as the experimental class and VII.…
Research has been conducted on the antibacterial power of Sungkai leaf extract (Peronema canescens Jack.) against Pseudomonas aeruginosa bacteria. This study aims to obtain information on the effect of the ethanol extract of Sungkai leaves (P. canescens) on P. aeruginosa bacteria and the minimum inhibitory concentration (MIC) of the ethanol extract of Sungkai leaves (P. canescens) on P. aerugin…
Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran Problem Based Learning (PBL) berbantuan E-Modul terhadap motivasi dan hasil belajar peserta didik pada materi sistem pencernaan kelas XI SMA. Penelitian dilaksanakan di SMA Negeri 13 Bandar Lampung. Penelitian ini menggunakan Quasi Eksperimen Design dengan Nonequivalent Control Group Design. Penentuan sampel menggunakan tekni…
This study aims to determine the effect of Kimpul taro bokashi (Xanthosoma sagittifolium L.) on the growth of Chives (Allium chinense G. Don) and the best concentration of bokashi. This research was conducted in a green house in the village of Permata Baru, North Indralaya District, Ogan Ilir Regency. The research method used was an experimental method with a completely randomized design (CRD) …