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Journal : Jurnal Biologi Tropis

 1 
Application of Certified Superior Rice Seed Technology to Increase Organic Rice Production Farmer group in Cipatujah sub-district Permana, Indra; Suryaman, Maman; Amilin, Amir; Zumani, Darul; Mustofa, Romy Faisal
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2.6695

Abstract

Improving the production of organic rice can be achieved by using certified superior seed varieties. The research aimed to test the adaptability of several superior rice varieties in organic farming systems to obtain varieties suitable for rice growth and yield in the Cipatujah District of Tasikmalaya Regency. A single-factor randomized complete block design was used in this study to test 3 superior varieties, namely Ciherang, Inpari 32, and Mekongga varieties. Each treatment was replicated 20 plots, resulting in a total of 60 experimental plots. The analysis results indicated that the soil at the demonstration plot location met land suitability and rice plant growth requirements with S1 (very suitable) criteria based on parameters such as pH, organic carbon content (C-organic), nutrient content of Nitrogen, Phosphor, and Potassium, bulk density, particle density, porosity, and soil texture. The superior variety treatments had a significant impact on plant height growth, although there were no significant differences observed in terms of tiller number, productive tiller number, grain yield per hill, filled grain per hill, grain weight per hill, and 1000-grain weight. The Ciherang variety showed the highest plant growth response and larger yield components compared to Mekongga and Inpari 32. The use of certified seeds in organic rice cultivation practices was proven to yield higher results compared to seeds from previous cultivation practices.
Improving Fertilization Efficiency through Biochar Application and the Development of Superior Varieties of Red Chili Peppers Permana, Indra; Intan Nurcahya; Abdul Hakim; Romy Faisal Mustofa; Dewi, Tirta Kumala
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7937

Abstract

Soil quality improvement can be achieved through the application of soil ameliorants such as Biochar. Developing superior varieties that are efficient in fertilization is also an effort to reduce the use of chemical fertilizers. This study aims to improve fertilization efficiency through the application of Biochar and the development of hybrid large red chili varieties at Siliwangi University. The research method used a Split-split plot design, consisting of large red chili varieties as the main plot, Biochar dosage treatment as the sub-plot, and different doses of inorganic fertilizers as the sub-sub plot. The main plot treatment consisted of four levels: Baja Variety (V1), UNSIL-01 (V2), UNSIL-02 (V3), and UNSIL-03 (V4). The sub-plot had two levels: without Biochar (B0) and 10 tons/ha of Biochar (B1). The inorganic fertilizer treatment consisted of three levels: 25% (P1), 50% (P2), and 75% (P3) of the standard dose. Each treatment was repeated three times, resulting in 72 research plots. The slow pyrolysis of coconut shell produced biochar with an average efficiency of 33.7% based on the dry weight of the feedstock. Optimal pyrolysis conditions, with temperatures ranging between 275°C and 485°C over 6 to 9 hours. Among the tested chili varieties, UNSIL-03 (V4) and Baja (V1) showed the highest growth performance, particularly in height and stem diameter, in biochar-amended soil. The application of 25% of the standard inorganic fertilizer dose, in combination with biochar, was sufficient to achieve optimal plant growth across most varieties, especially Baja (V1) and UNSIL-03 (V4).
Co-Authors Abdul Hakim Abdul Latif Abdul Latif Ade Bastian Ade Rahmat, Ade Aditya Permana Adrianna Syariefur Rakhmat Adriant, Riki Al Baihaqi, Muhammad Wahyu Amilin, Amir Andoyo Sastromiharjo Angraini, Debie Anis, Nina Ardianto, Riski Eko Aryana, Suhud Assidiqi, Dimas Ahsan Asti, Eka Geovana Azkiya, Muhammad Azkal Badhel, Yasser Gibran Badriyah, Ainun Nurul Bayu Setiajit, Sahid Chaerul Basri Dadan Zaliluddin Dasep, Dasep Suprijadi Denny Widaya Lukman Destiani, Putri Dewi, Tirta Kumala Dian Rachmawati Dian Rachmawati Afandi Diena San Fauziya, Diena San Dwy Fitria, Anita Eka Puspita Sari Eko Ardianto, Riski Elfi Ilham Enik Suhariyanti, Enik Erin Soleha Erna Apriani Fachrial Banyu Asmoro Faradilla Intan Sari Fauziya, Diena Fitriani Fitriani, Nadila Fuadin, Ahmad Gantizar Gifari, Risal Handoko Handriana, Idris Haq, Rosdiana Harris, Muis Muhammad Hartatik Harun Sujadi Hawari, Raden Solehudi Hermawan, Dicky Hertini, Reni Herwin Pisestyani Hidayah, Zulfa Zakiatul Hidayat, Nazwa Putri Hidayatullah, Asep Hidayaty, Dwi Epty Ika Mustika Indra Permana Irmasyanti, Imas Irwan Sugiarto Jabbar, Fathir Abdul Jamilah, Ila Siti Jengkar, Sapta Joni Bungai, Joni Kamaliah Kamaliah, Kamaliah Khoerunissa, Salsa Lilih Maksipah Mahmudin, Tono Maman Suryaman Mar'ati, Fudji Sri Mekar Ismayani, Mekar Meli Andriyani Mendrofa, Syah Abadi MIRNAWATI SUDARWANTO Muarif, Dede Samsul Muhamad Fatchan Muhammad Hamdan 'Ainulyaqin Muhammad Ikhsan Muhammad Iksan, Muhammad Muhammad Rais Rohmah Fadilah Mustofa, Romy Faisal Natalia, Ade Lara Naya, Candra Ndaomanu, Yorgi Ardiano Neng Asiah, Neng NIralam, Deni Nofiyanti Nofiyanti, Nofiyanti Nopiya, Ninin Nugraha, Faisol Nugraha, Via Nur'aeni, Nur'aeni Nurcahya, Intan Nurfajriah, Riska Nurfaturqi, M Ibnu Nurhidayah, Rika Nurhilda, Pebby Nurhimah, Enung Nurpatria, Ergo Pamungkas, Ilman Putra Permana, Iip Indra Prahara, Ervin Gusti Dwi Priambodo, Aji Pribadi, Luthfi Audia PURWANTI PURWANTI Radian, M. Luthfi Rahmiati Rahmiati Ramadhan, Aditya Ramadhani, Sandy Laila Suci Ramdan Maulana Ranta, Ranta Raztiani, Hissan Riepah, Ipah Rismawati Riza Arif Pratama Robayani, Anisa Rochayata, Kurbandi Satpatmantya Budi RR. Ella Evrita Hestiandari Rustianah, Rustianah S. Damayanti, Vismaia Sabilla, Akfika Rizky Salsabila , Arini Zahra Salwa, Alya Jihan Santi Muliawati Saputra, Trias sarwo edy Setiajit, Bayu Setiajit, Sahid Bayu Setiatjahjati, Sri Setyawan, Wisnu Setyowati, Rahayu Siti Rohimah Sriyanto Sriyanto Sudjana, Muhammad Ridwan Shaleh Sulaeman, Maman Sulaiman, Zoni Sunarya, Yaya Suriyanti Surya Bintarti Syariefur Rakhmat, Adrianna Syifa Salsabila Fauzy Ramdani Tanti Lestari Tri Ferga Prasetyo Tsabitah, Sahlaa Utami, Atika Wiwi Utami, Eva Yuniarti Vaza Benatar, Gilang Wachid Hasyim, Wachid Wafa Nur Awamirillah Wahyuni, Kartika Sri Wicahyono, Agus Wicaksana, Primaraga Sumantri Indra Widodasih, Wening Ken Wikanengsih Wikanengsih Wiranagari, Relifa G Wulanda, Nourma Wulandari, Septiayu Restu Wulandari Yahya, Adibah Yuliyani, Leny Zaman, Khalil Zhafira, Nisa Zulfikar Zulfikar Zumani, Darul