vii ABSTRACT Kasturi mango (Mangifera casturi Kosterm.) is a native and endemic plant from South Kalimantan which has been classified as an endangered plant in situ or Extinct in the Wild according to the IUCN Red List Categories and the World Conservation Monitoring Center (WCMC). Endophytic fungi are fungi that live in plant tissues without causing negative effects on plants. Usually, secon…
ABSTRACT Sungkai (Peronema canescens Jack.) is a species of the Lamiaceae family that has a tree habit and compound leaves. Sungkai’s leaf has the potential as an immunomodulator, so it needs to be developed especially in this era of the COVID-19 pandemic. Dayak and Lembak tribes use the young leave of sungkai as a medicine for fever, flu, and to keep the immune system strength. The aim of t…
ABSTRACT Rice is a food crop that has an important role because it is used as a staple food for some people in the world, one of them is Indonesia. The presence of weeds is very disturbing for rice plants because competition between weeds and rice plants can occur. This study aims to determine the structural analysis of weed composition in the rice fields in Mentayan Village, Bantan District, …
Learning in the 221st century requires students to develop scientific discipline skills, metacognitive skills, critical and creative thinking, and effective communication or collaboration. One of the 21st century learning goals focuses on developing students' ability to think critically. Achieving learning goals that improve critical thinking skills must be consistent with learning that trains …
ABSTRACT Peatland is a land that has a high organic matter content so that it is widely used by bacteria, one of which is phosphate solubilizing bacteria (PSB). PSB is a soil microbe capable of dissolving phosphate by excreting a number of organic acids such as oxalic, succinic, fumaric, malic and possessing phosphatase and phytase enzymes. This study aims to isolate, select and characterize t…
Pertumbuhan penduduk Indonesia yang semakin pesat mengakibatkan kebutuhan energi nasional yang semakin meningkat, sementara cadangan minyak bumi sebagai sumber utama energi nasional semakin menipis. Sehingga pembuatan briket menggunakan biomassa sangat membantu dalam proses pemanfaatan limbah kulit buah aren dengan teknik karbonisasi dan menggunakan perekat tapioka dan sagu sebagai pengeras dal…
This study aims to find out the results of the analysis of the written competency test items for senior high school leve computer based tests at the Biology Fair in 2022. The data was collected from July to September 2022, the sample used was 346 student answer sheets and 50 multiple choice item questions. The type of this research is descriptive with a quantitative approach. The data source is…
This research was conducted in May - June 2022 with the aim of knowing the bivalve community structure in the mangrove area of Tanah Merah Village for the design of handouts as biology teaching materials for class X. This research was carried out in the mangrove area of Tanah Merah Village for bivalve sampling while for identification of bivalves carried out at the Laboratory of the Biology Edu…
Gerakan literasi yang dituntut dalam kurikulum 2013 dan pendidikan abad-21 salah satunya ialah literasi sains. Namun fakta menunjukkan bahwa tingkat literasi sains siswa Indonesia masih rendah. Hal ini menunjukkan bahwa proses pembelajaran yang mengintegrasikan literasi sains membutuhkan perbaikan dan peningkatan. Upaya yang dapat dilakukan yaitu dengan memperbaiki atau melakukan inovasi bahan …
Sayuran merupakan salah satu komoditas hortikultura yang berperan penting bagi kesehatan manusia yaitu dalam menyuplai mineral dan vitamin yang kurang dipenuhi oleh bahan pangan lainnya. Salah satu sayuran hortikultura yang populer di Indonesia adalah tanaman kangkung. Menurut data BPS (2020), produksi tanaman kangkung darat di Provinsi Riau pada tahun 2020 adalah sebesar 10.790 ton. Provinsi R…
Pada abad 21 di era zaman digitalisasi ini guru tidak hanya dituntut dalam menentukan model dan metode pembelajaran yang tepat, namun guru juga dituntut untuk dapat menggunakan media atau inovasi pembelajaran yang sangat tepat dalam memberikan suatu rubrik penilaian, dan menerima laporan atau melakukan suatu layanan konsultasi untuk meningkatkan kemampuan berpikir kreatif siswa. Berdasarkan has…
Salah satu kecakapan abad 21 yaitu kolaboratif (collaborative). Kemampuan kolaboratif merupakan keterampilan yang menyiratkan pada kemampuan bekerjasama, berpartisipasi secara aktif dan saling menghargai pendapat. Dalam setiap kegiatan pembelajaran siswa harus berpartisipasi untuk membina hubungan dengan orang lain, saling menghargai hubungan dan kerja tim untuk mencapai tujuan yang sama melalu…
Serangga dekomposer merupakan salah satu bagian dari beberapa macam jenis serangga tanah. Peranan terpenting dari serangga dekomposer adalah penyeimbang lingkungan sebagai perombak bahan organik kompleks yang tidak memiliki nilai ekonomi seperti serasah, sampah rumah tangga, bangkai binatang dan sisa sayur mayur menjadi bahan organik sederhana (humus) yang dapat dimanfaatkan kembali oleh tumbuh…
The aim of the study was to determine the effect of EM4 bioactivator on nitrogen, phosphorus, potassium and C/N content of sugarcane bokashi bagasse (Saccharum officinarum L) fertilizer and to use it as an electronic module designed from research results for high school biology lessons. This research was conducted at the Compost Stall at the Nature Education Biology Laboratory, PMIPA Depar…
A study was carried out to determine the quality of guided discovery-based electronic Student Worksheets (LKPD) on coordination system material for class XI SMA from September to October 2022. This research was carried out at the Biology Education Campus, FKIP University of Riau, and SMAN 8 Pekanbaru. This type of research is research and development (Research and development) using the ADDIE m…
Badan Pusat Statistik mencatat jumlah nilai ekspor selada pada bulan Oktober mencapai 107.939 kg. Jumlah ini menurun pada bulan berikutnya yakni November dan Desember yang mana ekspor selada senilai 101.129 kg. Berdasarkan kalkulasi tersebut dapat dilihat bahwa produksi selada nasional masih mengalami penurunan (BPS, 2019). Oleh karena itu, perlu dilakukan upaya untuk meningkatkan produksi sela…
The purpose of this study was to determine the correlation of self-efficacy with cognitive learning outcomes in science for class VII students of SMP N 42 Pekanbaru during the Covid-19 pandemic. In order to achieve this goal, quantitative research was carried out in the form of correlation research and descriptive research design. The variables observed in this study were self-efficacy (self-co…
Indonesia merupakan negara tropis yang memiliki kelembapan yang tinggi sehingga ideal untuk tumbuhnya jamur (fungi). Salah satu jamur yang digemari oleh masyarakat sebagai bahan pangan ialah jamur tiram (Pleurotus ostreatus). Namun, produksi jamur tiram dari tahun ke tahun semakin menurun. Data Badan Pusat Statistik tahun 2021, produksi jamur tiram Provinsi Riau hanya 847 kg/tahun, sedangkan pa…
E-LKPD is an electronic version of learning resources that can be opened on laptop or cellphone screens that students can use to study biodiversity material in class X. The purpose of this research is to produce Guided Inquiry-based ELKPD on biodiversity material for class X students quality high school. This research was conducted at the University of Riau's Biology Education Campus, SMAN…
This research was conducted to determine the effectiveness of compost on the growth of pakcoy (Brassica chinensis L.) as a poster design for class XII high school. The research was conducted at the Natural Laboratory of the Faculty of Teaching and Education, University of Riau. This research was carried out in September - October 2021 which consisted of two stages, namely experiments on compost…