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All Journal Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Kultivasi Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agrotek Tropika Journal of Tropical Crop Science Akta Agrosia Agriecobis : Journal of Agricultural Socioeconomics and Business Jurnal Agrotropika Jurnal Pengabdian Nasional Buguh: Jurnal Pengabdian Kepada Masyarakat Open Community Service Journal Jurnal Pengabdian dan Pemberdayaan Masyarakat Inovatif Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
Raden Ajeng Diana Widyastuti
Jurusan Agroteknologi Fakultas Pertanian Universitas Lampung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : Journal of Tropical Crop Science

 1 
The Combination of Biofertilizer and Organic Fertilizer to Improve Shallot (Allium ascalonicum L.) Production Widyastuti, R.A. Diana; Hendarto, Kus; Rahmat, Ali; Warganegara, Hayane Adeline; Listiana, Indah; Asmara, Sandi
Journal of Tropical Crop Science Vol. 8 No. 01 (2021): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.8.01.16-21

Abstract

Shallot is one of important horticultural crops in Indonesia; shallot consumption per capita is estimated to be 4.6 kg per year. The objective of this study was to evaluate the effect of combining biofertilizer and organic fertilizer on the production of shallot in Sukabanjar village, Pesawaran, Lampung, Indonesia. The study was set up using a randomized completely block design with two factors, biofertilizers and various organic fertilizers, i.e. cow manure, chicken manure, rice straw compost, oyster mushroom baglog. Our study demonstrated that combining biofertilizer and organic fertilizer significantly increased the number, diameter, and fresh and dry weight of tubers of “Bima Brebes” shallot. Shallots treated with biofertilizer combined with oyster mushroom baglog produced the highest tuber yield of 1788 g compared to 282 g in the control.
Plant Reproductive Responses of Guava ‘Crystal’ Under Different Paclobutrazol and NPK Fertilizer Doses Widyastuti, Raden Ajeng Diana; Pujisiswanto, Hidayat; Adeline Warganegara, Hayane; Sabeth Sutriana, Eli
Journal of Tropical Crop Science Vol. 10 No. 03 (2023): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.10.03.238-243

Abstract

A preliminary study of the reproductive responses of crystal guava plants under varying doses of paclobutrazol and NPK fertilizer was conducted. The research took place in a small-scale ‘Crystal’ orchard in Rajabasa 1, East Lampung, from August 2021 to March 2022. The study employed a 3x3 factorial randomized complete block design, examining two factors: paclobutrazol and NPK fertilizer. The first factor, paclobutrazol (P), had three levels: 0 ppm (control), 2000 ppm, and 4000 ppm. The second factor, NPK fertilizer, was tested at three levels: 0 g per plant (control), 250 g per plant, and 500 g per plant. The key variables measured were the number of reproductive shoots, blooming flowers, and fruits, serving as indicators of the ‘Crystal’ guava plant's reproductive responses. The study findings recommended the application of 2000 ppm paclobutrazol and 500 g per plant of NPK fertilizer due to their significantly positive impact on increasing the number of reproductive shoots, blooming flowers, and fruits. Notably, there was no significant interaction observed between paclobutrazol and NPK treatments in regulating plant reproductive growth.
Co-Authors Abdul Mutolib Adeline Warganegara, Hayane Adia Nugraha Agung Putra Wijaya Agus Karyanto Agus Karyanto Agustin, Cindy Aulia Agustina, Reggina Alfian Mahendra Ali Rahmat Alim, M. Zahid Alisufi, Muhammad Fachri Amelia, Atikah Putri Amelia, Jelita Ovi Ani Kurniawati Aprilia, Tessa Asrifa, Ajeng Kurnia Aulia, Fathia Nur Avila, M. Naufal Varian Azzahra, Fany Cicilia Novian Puspitarini Claudya Annisa R.S Cristy, Victorya Darmawan, Akbar Aji Darwin H. Pangaribuan David Chandra Devi Puspita Amartha Yahya Diva Rosa Nirwana D Eni Nurhayati, Eni Fitri Yelli Fortuna, Kirana Ceri Hamdani, Ilham Kurnia Harianto, Sugeng Prayitna Hartati, Widia Hayane A. Warganegara Hayane Adeline Warganegara, Hayane Adeline Helvi Yanfika Hidayat Pujisiswanto Hidayat, Fariz Nur Hikam, Brilian Indah Listiana Indah Nurmayasari Intan A Bellapama Ismayanti, Syifa Nur Karunia Pandiangan, Kezia Ami Kus Hendarto Kus Hendarto Kus Hendarto Kus Hendarto, Kus M Hafidz Yugo M. Dzaky Fadhil Athaya Maria Viva Rini Maryam, Fadillah Hanna Maya Melati Maya Riantini, Maya Muhammad Nur Muna Fauziah Munaf, Alika Fadhilah Nafisa, Zahra Aulia Nazamudin, Ahmad Nazarrudin, Rizal Ngep, Sani Nurul Farida Pramudita, Rizky Pranita, Wullan Rhegina Pratama, Lekat Dewa Pratama, Raditiya Eka Puspita Yuliandari Putri, Clarissa Salsabila Putri, Indah Septiani Qudus Sabha Adhinugraha Ramadani, M Ramadhani, Erlin Sari Ramadhani, Winih Sekaringtyas Ramadiana, Sri Ratuain, Rafika Indi Qut Restua Mahardday Situmorang Rina Oktavia Sabeth Sutriana, Eli Sadikin, Yuni Saffanah Nur Mufidah Salsabila Taufik, Marchsya Daffa Sandi Asmara Sanjaya, Purba Saputri, Tasya Erin Sari, Elga Permata Setiya Wati, Tri Agus Setyo Dwi Utomo Slamet Susanto Triantoro, Daniel Tunnida, Nuzha Widia Agustin Wulandari, Priyandita Yakobus Kudiai Yohanes C Ginting Yohannes Cahya Ginting Yuliandari, Puspita Yusnita yusnita YUSNITA YUSNITA