The purpose of this study is to determine the type of difficulty, causal factors, and provide solutions to overcome the difficulties in solving materials physics matter temperature and heat.Techniques of collecting data using tests, questionnaires, and interviews.The subjects of class X High School Ar-Risalah Lubuklinggau.From the analysis of the test data found the difficulty proportion of 80.3% problem, the difficulty of using symbols 76.2%, difficulty using the formula of 84%, difficulty analyzing the graph of 65% and 90% difficulty count.Based on the results of interviews and questionnaires, the factors that cause students to have difficulty understanding the problem is that students do not understand the purpose and purpose of the problem, the lack of students' understanding of the material, the students rarely repeat the material that has been studied at home and students lazy exercise to do the question.The cause of the difficulty of using symbols is that students forget the physical symbol and students remember the symbol by memorizing not understanding it.The cause of difficulty using the formula is the students are not interested and feel complicated with the matter that there is a formula and students do not master the concept of the material well.The cause of the difficulty of analyzing the graph is the students do not understand the purpose of the graph, the students feel complicated and not interested in the matter of the graph.The cause of the difficulty of counting is the students are less interested in the matter of the count, the students are not careful in calculating, the students have difficulty performing the count operation, and the teacher rarely gives a varied problem. Keywords:Difficulty, Problem Solving, Temperature and Heat

ABSTRAKPupuk kompos isi rumen sapi masih belum banyak digunakan dalam pertanian utamanya penanaman Rumput gajah di lahan marginal. Oleh karena itu, penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk kompos isi rumen terhadap pertumbuhan dan produksi rumput gajah di lahan marginal.  Penelitian ini merupakan penelitian eksperimen menggunakan Rancangan Acak Kelompok (RAK) dengan 6 perlakuan dan 3 ulangan. Perlakuan yang diberikan yaitu, P0: rumput gajah tanpa pemupukan, P1: rumput gajah diberikan pupuk NPK 500 kg/ha, P2: rumput gajah diberikan pupuk kompos isi rumen 1000 kg/ha, P3-P5 berturut-turut : rumput gajah diberikan pupuk NPK 500 kg/ha dan  pupuk kompos isi rumen 500 kg/ha, 750 kg/ha, dan 1000 kg/ha. Pengamatan dilakukan pada pertumbuhan, produksi, serta kandungan kimia Rumput gajah. Berdasarkan hasil penelitian pemberian pupuk kompos isi rumen sapi dapat meningkatkan pertumbuhan rumput gajah yaitu pada tinggi tanaman, jumlah daun dan lebar daun pada pengamatan minggu ke 5 dan ke 6, P<0.05. Rumput gajah yang diberi Perlakuan pupuk anorganik dan pupuk kompos Isi rumen (P3-P5) memiliki produksi lebih tinggi dibandingkan P1 dan P2. Kandungan serat kasar, protein kasar, N, P, dan K dan jumlah bakteri pada perakaran lebih tinggi pada rumput gajah yang diberi pupuk anorganik NPK dan pupuk kompos isi rumen.Kata kunci: isi rumen sapi, lahan marginal, pupuk kompos, rumput gajahABSTRACTThe compost fertilizer of cow’s rumen contains is still not widely used in agriculture yet, mainly the planting of elephant grass on marginal land. Therefore, the purpose of this study was to determine the effect of rumen content compost fertilizer on the growth and production of elephant grass in marginal land. This study used an experimental method using a randomized block design (RBD) with 6 treatments and 3 replications. The treatments given are, P0: elephant grass without fertilization, P1: elephant grass with NPK fertilizer 500kg/ha, P2: elephant grass with compost rumen content of 1000kg/ha, P3-P5 successively: Elephant grass with NPK fertilizer 500kg/ha and 500kg/ha, 750kg/ha, and 1000kg/ha of rumen compost fertilizer. Observations were made on the growth, production, and chemical content of elephant grass. The results of research, compost rumen content can increase the growth of elephant grass, namely on plant height, the number of leaves and leaf width at the 5th and 6th week of observation, P<0.05. Elephant grass treated with inorganic fertilizer and compost rumen content (P3-P5) has higher production than P1 and P2. The content of crude fiber, crude protein, NPK and number of bacteria in roots is higher in Elephant Grass which is given inorganic fertilizer and compost rumen fertilizer.Keywords: compost fertilizer, elephant grass, marginal land

During Covid-19 outbreak, the lecturers and learners adjust to carry out class by applying online teaching-learning. Online teaching-learning built a new approach of communication between lecturers and learners in online course. This research aimed to describe online college English teaching-learning amidst Covid-19 pandemic: opportunities, challenges, and solutions. This research applied phenomenological research design in which the data sources were questionnaire and observation results dealing with the learners’ responses on teaching-learning amidst covid-19 emergency. It was found that almost all students studied English more accessible and flexible without came and met the lecturers in college, they could share information each other through online platform, nothing interaction among of them to prevent the outbreak. However, majority of college learners complained about financial, internet package, trouble networks, and time management that the learners sometimes got boring to study English. Dealing with the issues, Indonesia has contributed the internet package to assist the learners’ financial, and the lecturers has implemented games to create class more interactive, and energetic.DOI: 10.26905/enjourme.v7i1.6580

Pertambahan bobot badan sapi memiliki hubungan yang relatif terhadap pertumbuhan dimensi ukuran tubuh ternak. Salah satu indikator untuk menilai pertumbuhan dan perkembangan tersebut adalah dengan mengukur peningkatan dimensi tubuh dengan indikator berupa lingkar dada, panjang badan dan tinggi tubuh ternak. Tujuan penelitian ini adalah untuk mengetahui korelasi bobot badan dengan dimensi ukuran tubuh pedet sapi Madura. Penelitian ini dilaksanakan Desa Waru Kecamatan Waru Kabupaten Pamekasan dengan metode survey. Ternak yang digunakan adalah pedet sapi Madura betina umur 7 – 8 bulan sebanyak 47 ekor. Peubah yang diamati yaitu lingkar dada (LD), Panjang badan (PB), tinggi badan (TB), dan Bobot badan (BB). Data yang diperoleh dianalisis secara deskriptif berdasar nilai koefisien korelasi, koefisien determinasi dan regresi linear sederhana. Lingkar dada memiliki koefisien korelasi paling kuat terhadap bobot badan diikuti tinggi badan dan Panjang badan (r = 0,97; r = 0,93; dan r = 0,95) dengan koefisien determinasi masing-masing R2 = 0,95; R2 = 0,87; dan R2 = 0,90. Hasil persamaan regresi berturut-turut BB = 4,56 + 0,99LD; BB = 5,07 + 0,90 PB; BB = BB = 2,37 + 0,97 TB. Secara keseluruhan lingkar dada memiliki keeratan yang lebih baik dibandingkan dengan panjang badan dan tinggi badan.