Agi Dahtiar
Dosen Fakultas Pertanian, Universitas Winaya Mukti, Jl. Bandung -Sumedang No.29 Sumedang

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PENERAPAN MODEL PEMBELAJARAN NUMBERED HEAD TOGETHER (NHT) DENGAN PENDEKATAN PROJEK UNTUK MENINGKATKAN KEMAMPUAN KOGNITIF SISWA Agi Dahtiar
Jurnal Luminous: Riset Ilmiah Pendidikan Fisika Vol. 1 No. 2 (2020): JULI 2021
Publisher : Program Studi Pendidikan Fisika FKIP Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/luminous.v1i2.4746

Abstract

Hasil studi pendahuluan di salah satu SMA Negeri di Bandung menunjukkan bahwa pembelajaran fisika masih bersifat informatif. Hal ini mengakibatkan hasil belajar siswa rendah. Proses pembelajaran model NHT dengan pendekatan projek memberikan kesempatan pada siswa untuk saling membagikan ide-ide dan mempertimbangkan jawaban yang paling tepat dalam suatu permasalahan. Penelitian ini bertujuan untuk meningkatkan kemampuan kognitif siswa SMA. Metode penlitian yang digunakan adalah jenis pre-experiment dengan desain penelitian one group pretest-posttest design. Sampel penelitian yaitu kelas X-1. Pengumpulan data dilakukan dengan menggunakan tes berupa pilihan ganda. Dari hasil penelitian menunjukan rata-rata gain ternormalisasi  <g> antara pretes dan postes, menghasilkan gain <g> sebesar 0,41, hal ini menunjukkan bahwa peningkatan kemampuan kognitif siswa pada kategori sedang. Sehingga dapat disimpulkan bahwa model numbered head together (NHT) dengan pendekatan projek dapat meningkatkan kemampuan kognitif siswa.
FAKTOR-FAKTOR YANG MEMPENGARUHI KEBERHASILAN USAHATANI BROKOLI (Brassica oleraceae) (Survei Terhadap Petani Brokoli di Kecamatan Pacet, Kabupaten Cianjur, Provinsi Jawa Barat) Hasan Sopandi; Dety Sukmawati; Tuti Gantini; Agi Dahtiar; Njanjang Apandi
Mimbar Agribisnis : Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Vol 8, No 2 (2022): Juli 2022
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ma.v8i2.7913

Abstract

This study aims to determine the factors that influence the success of broccoli farming. This study uses a survey method on rice broccoli farmers. Respondents were determined by census as many as 70 farmers. The form of the research is verification and the analytical technique used is path analysis with two paths. Based on the results of the study, it was obtained that the social factors of broccoli farmers in Pacet Subdistrict consisted of dimensions/indicators including: age; formal education; farming experience; the burden of family dependents. Productivity was achieved, 12 tons/ha and R/C = 2.25. There is an influence of social factors and economic factors on the application of broccoli farming production technology. The magnitude of the influence is 55.10% and 2.95%, respectively. There is the influence of social factors, economic factors and the application of technology to the success of broccoli farming. The magnitude of each other effect is 0.16%; 47.47% and 56.18%.
Nilai Tukar Petani Komoditas Tanaman Pangan Dan Faktor-Faktor Yang Mempengaruhinya Di Provinsi Jawa Barat Tahun 2008 – 2020 Indra Gunawan; Nataliningsih Nataliningsih; Dety Sukmawati; Agi Dahtiar
Paspalum: Jurnal Ilmiah Pertanian Vol 10, No 2 (2022)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v10i2.415

Abstract

This study aims to analyze the exchange rate of farmers and the factors that influence it in West Java province in 2008 – 2020. The variables studied were land area, rice productivity, fertilizer cost and seed cost. The research method used is the study of literature by examining secondary data published nationally and regionally from various valid and credible sources derived from the Central Statistics Agency, the Department of food crops and Horticulture of West Java Province, the Ministry of Agriculture and others. The study was conducted in the period between November 2021 and March 2022. Data processing is done using Least Squares analysis with the help of E-Views 9 Software. The results showed that the exchange rate of farmers of food crops in West Java Province in the period from 2008 to 2020 was influenced simultaneously by land area, rice productivity, fertilizer cost and seed cost. But partially, the variable land area does not significantly affect the exchange rate of food crop farmers. Variable rice productivity, fertilizer costs and seed costs partially significantly affect the exchange rate of farmers of food crops in West Java. 
FAKTOR YANG MEMPENGARUHI KEPUTUSAN PETANI DALAM MENERAPKAN TEKNOLOGI USAHATANI PADI ORGANIK DAN DAMPAKNYA TERHADAP PRODUKTIVITAS DAN PENDAPATAN (Kasus Pada Petani di Kecamatan Cibeber, Kabupaten Cianjur) Alinda Kamil; Euis Dasipah; Karyana KS; Dety Sukmawati; Agi Dahtiar
Mimbar Agribisnis : Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Vol 9, No 1 (2023): Januari 2023
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ma.v9i1.9562

Abstract

This study aims to analyze the factors that influence farmers' decisions on the application of organic rice farming and their impact on productivity and income. The respondent determination technique used is a census obtained with a size of 80 people, each of which is 40 people who apply and 40 people who do not apply organic rice farming. The analysis technique used is multiple logistic regression. The results of the study obtained that the performance of organic rice farming was characterized by a land area of 0.44 ha, organic rice farming activities started from the use of superior and certified seeds; land management; Basic and secondary fertilization; use of organic materials; planting seeds; weeding; irrigation; pest and disease control; harvest and post-harvest, all of which are done conventionally. Marketing of the produce is done at the farmer's place with a selling price of Rp. 5,000/kg. Farmers' motivation factors, ease of obtaining organic materials, farming experience, land area, grain selling price, availability of farmer's capital simultaneously significantly influence the decision to implement organic rice farming. Meanwhile, partially, the significant ones with the largest order are: the selling price of grain; farmer motivation; ease of obtaining organic materials; and land area. The application of organic rice farming has no significant effect on productivity gains. For farm land. organic rice yielded 6,977 kg/ha productivity. While the non-organic 6,937 kg/ha. The application of organic rice farming has a positive effect on income, namely Rp. 15.162.464 / ha with R/C = 2.25, while the non-organic is Rp. 14.458.496 / ha with R/C = 1.80.
PREFERENSI KONSUMEN DALAM PENGAMBILAN KEPUTUSAN PEMBELIAN MOCHI LAMPION BERDASARKAN VARIAN RASA DAN KEMASAN (Suatu Kasus pada Konsumen di Toko Mochi Lampion Kecamatan Cikole, Kota Sukabumi) Anni Sugihhartati; Maman Haeruman; Dety Sukmawati; Euis Dasipah; Nataliningsih Nataliningsih; Agi Dahtiar
Mimbar Agribisnis : Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Vol 9, No 1 (2023): Januari 2023
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ma.v9i1.9248

Abstract

The purpose of this study was to analyze the effect of variations in taste and packaging on purchasing decisions for Mochi Lantern cakes. The method used in this study is a quantitative method with descriptive analysis. Data collection was carried out using direct interview methods from respondents who were in the field using a questionnaire. Attributes observed in this study were flavor variants and types of packaging. The questionnaire proposed was first tested using validity and reliability tests. Descriptive analysis of respondents' characteristics and consumption behavior, preference for Mochi Lantern products such as flavor variants and types of packaging, as well as characteristics of Mochi Lantern products, these are taken into account when consumers make purchasing decisions and are analyzed using path analysis. The results showed that the flavor variant had a positive and significant indirect effect on the purchasing decision of Mochi Lanterns in the city of Sukabumi. Flavor variants indirectly have a positive effect on purchasing decisions through packaging variables, and have a direct positive effect on purchasing decisions on taste diversification. The more and higher the buyer's decision to purchase flavor variants, the greater the packaging variable in purchasing Mochi Lanterns in Sukabumi City.
Analisis Kepuasan Petani terhadap Kinerja Kelompok Tani (Suatu Kasus Pada Petani Di Desa Binong Kecamatan Binong Kabupaten Subang) Agi Dahtiar; Anggito Abimanyu
Paspalum: Jurnal Ilmiah Pertanian Vol 11, No 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v11i2.631

Abstract

The purpose of this research is to assess how satisfied farmers are with the performance of farmer groups in Binong village, Binong sub-district, and how well those groups' performance parameters match farmers' expectations. A questionnaire was employed for this research. A total of 75 participants were sampled using a proportional stratified random method. Attribute seven, "organizing and carrying out the division of tasks among members according to mutual agreement," had the highest level of conformity between importance and performance among the performance attributes of farmer groups, at 91.60%, according to the study's findings. Improving the sustainability of productivity while also protecting natural resources and the environment ranks lowest among the four most important areas for development identified by the Cartesian diagram. a decline in efficiency. According to data from the Customer Satisfaction Index (CSI) measuring various aspects of farmer organizations' performance, the vast majority of farmers are happy with their services.
Analisis Kepuasan Petani terhadap Kinerja Kelompok Tani (Suatu Kasus Pada Petani Di Desa Binong Kecamatan Binong Kabupaten Subang) Agi Dahtiar; Anggito Abimanyu
Paspalum: Jurnal Ilmiah Pertanian Vol. 11 No. 2 (2023)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v11i2.631

Abstract

The purpose of this research is to assess how satisfied farmers are with the performance of farmer groups in Binong village, Binong sub-district, and how well those groups' performance parameters match farmers' expectations. A questionnaire was employed for this research. A total of 75 participants were sampled using a proportional stratified random method. Attribute seven, "organizing and carrying out the division of tasks among members according to mutual agreement," had the highest level of conformity between importance and performance among the performance attributes of farmer groups, at 91.60%, according to the study's findings. Improving the sustainability of productivity while also protecting natural resources and the environment ranks lowest among the four most important areas for development identified by the Cartesian diagram. a decline in efficiency. According to data from the Customer Satisfaction Index (CSI) measuring various aspects of farmer organizations' performance, the vast majority of farmers are happy with their services.
Analisis Finansial Efiseinsi Manajemen Pembibitan Domba Garut (Ovis ares) Agi Dahtiar; Nataliningsih Nataliningsih; Rian Susila
Paspalum: Jurnal Ilmiah Pertanian Vol. 12 No. 1 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v12i1.701

Abstract

This research was conducted to (1) determine the performance of garut sheep farming. (2) Knowing the level of efficiency of Garut Sheep breeding farming in the Cibungur area. The research method used is a descriptive method with a qualitative and quantitative approach. The data collection technique used in this research is purposive sampling technique. The analysis technique used is descriptive analysis with a qualitative and quantitative approach. The results of the research show that Mr. Mamat, one of the activists in Garut sheep cultivation, keeps 15 sheep with 5 males and 10 females. In the sheep breeding business, the initial capital spent on 5 seeds and 1 male as well as medicines and then pens is IDR 57,869,528. The total revenue received from the sale of sheep potatoes was IDR. 47,500,000. The loss obtained by Mr. Mamat was Rp. -10,369,528. - The R/C Ratio result obtained was 0.82, with this value meaning that the Garut sheep breeding business carried out by Mr. Mamat was not suitable as a basic income, because from each one rupiah spent will result in a loss of 0.18 Rupiah.
Kearifan Lokal Budaya “Ngarot” dalam Usahatani Padi (Oryza Sativa) Gede Wangi (Study Kasus Di Desa Karedok Kecamatan Jatiede Kabupaten Sumedang) Agi Dahtiar; Dety Sukmawati; Firli Muldan
Paspalum: Jurnal Ilmiah Pertanian Vol. 12 No. 1 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35138/paspalum.v12i1.702

Abstract

Rice is a food source of energy as well as a staple food for most people, although now many people are starting to replace carbohydrates from rice with other staple foods such as potatoes, corn, sago and wheat. The aim of this research is to determine the form of local cultural wisdom "NGAROT" in the Gede Wangi rice farming business and to determine the income of farmers in the Gede Wangi rice farming business. The analytical method used in this research uses a descriptive method with a qualitative descriptive approach. The research results show that the income received by rice farmers is rice that has been milled by the respondent farmers themselves. Ngarot culture is one of the Indonesian traditional cultures, specifically in Sumedang Regency, which is still maintained and is closely related to the Sumedang Palace or the Sumedang Larang Kingdom. Ngarot culture is a community belief that they must bury buffalo heads after harvesting. Burials are carried out in the hope of bringing good things to the area and future harvests. In the midst of the rapid development of the times, local culture Ngarot was able to produce 28,800 kg of rice from 10 respondent farmers with an average cultivated land area of 5,894 m², with a selling price of rice of IDR 5,500.-/ Kg. The revenue (TR/Total Revenue) received from rice farming was IDR 158,400,000. So it can be concluded that the Gede Wangi rice farming activities provide benefits for farmers, so this rice farming is worth developing.