Judul: Pengetahuan Sikap dan Tindakan Petani dalam Pengelolaan OPT Jagung di Kecamatan Metro Selatan
Abstrak: Jagung merupakan komoditas penting sebagai bahan pangan pokok penghasil karbohidrat. Keberadaan organisme penganggu tanaman menjadi salah satu kendala dan faktor pembatas dalam budidaya jagung. Organisme yang dapat mengganggu tanaman mencakup hama, penyakit, dan gulma yang mampu menurunkan hasil produksi jagung. Penelitian bertujuan memperoleh informasi serta menganalisis karakterisitik, pengetahuan, sikap, dan tindakan petani dalam mengelola OPT jagung di Kecamatan Metro Selatan. Penelitian dilakukan pada bulan Oktober hingga Desember 2020. Lokasi pengamatan tersebar pada empat desa dengan setiap desa terdapat 50 tanaman contoh dan 15 petani responden. Pengumpulan data melalui metode wawancara menggunakan kuesioner terstuktur dengan jumlah responden sebanyak 60 petani dan pengamatan lapang menggunakan metode systematic random sampling. Data hasil penelitian diharapkan dapat memberikan informasi mengenai pengetahuan, sikap, dan tindakan petani dalam mengelola OPT jagung di Kecamatan Metro Selatan sehingga dapat menjadi bahan pertimbangan untuk rekomendasi penerapan PHT. Kata kunci: jagung, OPT, pengetahuan, sikap, tindakan, Corn is an important commodity as a staple food for producing carbohydrates. The existence of plant pests is one of the constraints and limiting factors in maize cultivation. Organisms that can disrupt crops include pests, diseases and weeds that can reduce corn production. The research aimed to obtain information and analyzed about the characteristics, knowledge, attitudes, and actions of farmers in managing maize plant pests in Metro Selatan District. The study was conducted from October to December 2020. The observation locations were spread across four villages with 50 sample plants in each village and 15 respondent farmers. The data was collected through interviews using a structured questionnaire with a total of 60 farmers as respondents and field observations using systematic random sampling method. The data from the assessment results are expected to provide information about the knowledge, attitudes and practice of farmers in managing maize plant pests in Metro Selatan District so that it can be considered as a recommendation for the application of IPM. Key words: attitude, corn, knowledge, plant pests, practice
Keyword: jagung, OPT, pengetahuan, sikap, tindakan

Judul: Pengetahuan, Sikap, dan Tindakan Petani Sayuran dalam Penggunaan Pestisida di Kabupaten Pandeglang, Banten.
Abstrak: Pesticide is common techniques used by farmers to control plant pests and diseases. Improper and excessive uses of pesticides often occur in pesticide application due to low farmer’s knowledge and skill. The aim of this study was to obtain information and analyze of the knowledge, attitude, and practice of vegetable farmers in pesticide use in Pandeglang Regency, Banten. This study has been conducted by using direct survey using structured questionnaires to obtain a primary data, while secondary data was obtained from local government and literature study. The survey location was determined by purposive sampling. The number of respondents were 150 vegetables farmers. The data was presented descriptively and analyzed using the χ2 (chi-square) test to analyze the relationship between each characteristic tested. Knowledge, attitude, and practices of vegetable farmers in Jiput, Pulosari, and Menes districts showed some differences. Generally, the farmers at Pulosari district have low rational attitude in the use of pesticides compared with two other districts. Many factors influence the knowledge, attitude, and practices of vegetable farmers in three districts in the use of pesticides. Based on the analysis and relationship tests, factors of age and income of farmers showed influence unsignificantly compared with two other variables such as education and participation of farmers in farmer groups.
Keyword: knowledge, pesticides types, plant pests and diseases, vegetable farmer

Judul: Best Difference Equation Aproximation to Duffing 's Equation
Abstrak: Persamaan Duffing merupakan persamaan yang sering muncul sebagai model masalah sistem ayun mekanis atau pada masalah rangkaian listrik. Umumnya penyelesaian persamaan ini secara numerik memberikan hampiran dengan gala! yang tinggi, seperti dengan metode Runge-Kutta. Tulisan ini mengkonstruksi suatu persamaan beda untuk menghampiri persamaan Duffing tersebut. Penyelesaian dari persamaan beda ini melibatkan fungsi-fungsi eliptik Jacobi. Berdasarkan penyelesaian ini diperoleh basil bahwa penyelesaian hampirannya persis sama dengan penyelesaian analitiknya. Penyelesaian analitik yang diperolehjuga melibalkan fungsi-fungsi eliptik Jacobi.
Keyword: