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Journal : Journal of Tropical Crop Science

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.
Fruit Quality of Guava (Psidium guajava ‘Kristal’) under Different Fruit Bagging Treatments and Altitudes of Growing Location Widyastuti, R.A.D.; Budiarto, Rahmat; Hendarto, Kus; Warganegara, Hayane Adeline; Listiana, Indah; Haryanto, Yoyon; Yanfika, Helvi
Journal of Tropical Crop Science Vol. 9 No. 01 (2022): 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.9.01.8-14

Abstract

Fruit quality is an important aspect that requires attention and more study when it comes to commercializing tropical fruits, including guava ‘Kristal’. This study aimed to evaluate the effect of bagging treatment and altitude of growing orchard on fruit quality of guava (Psidium guajava var. ‘Kristal’). This study was conducted at two local orchards managed by small-scale farmers, at Gunung Batu (1000 meters above sea level, m asl) and Brajaselebah (25 m asl), Lampung Province, Indonesia. A nested design was applied to test 5 types of bagging treatments and 2 levels of land altitude. Fruit quality was assessed by measuring both physical and chemical characteristics. Fruit size indicated by fruit weight and diameter was significantly larger in lowland compared to highland. The total soluble solids (TSS) were significantly higher in the lowland compared to the highland, while titratable acid (TA) showed an opposite result. Vitamin C of the fruits varied from140 to 146 mg per 100 g. Different types of fruit bagging and land altitudes did not affect the physical and chemical characteristics of “Kristal” guava fruits. Fruit scar intensity was higher in lowland, especially in fruit without bagging. Fruit bagging is highly recommended for farmers due to the success of this treatment to reduce fruit scar intensity, thus resulting in good fruit quality, irrespective of the growing locations.
Co-Authors AA Sudharmawan, AA Abdul Mutolib Abrar, Fany Ramadhanty Adelia, Lisa Adia Nugraha Adipaty, Arsendi Rifki Agus Hudoyo Al Faris, Luthfi Naufal Alda, Mareta Karunia Alfatih, Nanda Karunia Ali Rahmat Ali Rahmat Alimuddin Muchtar Alya Desilva Anggun Safitri Anindah Sipa Lestari Annatasya, Sherlina Antika, Lucky Lindu Aryansyah, Rahmat Athaya, Syifa Atmadja, M Yogi Hadi Aviati S., Yuniar Awandi, Hafizh Ayu Agustina Ayuningtyas, Salsafira Aziza Fitriani Bagus Denta Permana Begem Viantimala BIDARTI, AGUSTINA Chandralana, Rian Cipto Hadi Saputro Citra Ramadhan Permata Okna Damayanti, Elok Dame Trully Dame Trully Gultom Desi Maharani Nathaniela Dewangga Nikmatullah Dewangga Nikmatullah, Dewangga Dinata, Abdi Restu Dwi Sadono Erdi Suroso Farkhan Abdurochim Alfarauq Farra Agustina Sila Sila Ferri Anggara Ade Gunawan Fitria Difa Nuzula Fitriansyah Bakti Praja Gitosaputror, Sumaryo Gultom, Dame T Habibbullah Jimad Hafbi, Najwa Halimah, Miranda Nur Haryani, Pipit Dwi Haryanto, Yoyon Hayane A. Warganegara Hayane Adeline Warganegara, Hayane Adeline Helvi Yanfika Helvi Yanfika Helvi Yanvika Icha Khoirunnisa Imelda Suryati Maulani Inara Angsi Prastisi Indah Nurmayasari Irawan, Sahrul Ari Irwan Efendi Irwan Efendi, Irwan Irwan Effendi Irwan Irwan Kardiana K Kardiana K Rangga Khoirunnisa, Amirul Khoirunnisa, Icha khusnul khotimah Kiki Ambarwati Komala, Riska Ade Septa Kordiana K Rangga Kordiyana K Rangga Kordiyana K Rangga Kordiyana K Rangga, Kordiyana K Kordiyana K. Rangga Kordiyana K. Rangga Kordiyana K. Rangga Ktut Murniati Kurnia Sari Kus Hendarto Kus Hendarto, Kus Kusuma Adhianto Lucky Lindu Antika M. Dima Iqbal Hamdani Mareta Karunia Alda Maruf, Chasan Maya Riantini, Maya Mohamad Riyan Suganda Muhammad Ibnu Muhammad Ibnu Muher Sukmayanto Muher Sukmayanto Muzaki, Faiz Nabila, Laini Nabila, Salma Atha Nanik A Purwatiningsih Nathaniela, Desi Maharani Nidya Oktaviani Novriady Nurtanio, Ilham Novrianty, Ely Novriyani , Fitria Nugroho, Rizky Teguh Nunung Nurhasanah Nurhermawan, Sidik Nurul Rahma, Nurul Pipit Dwi Haryani Prabowo Tjiptopranoto Premana, Ketut Sudire Prima Sanjaya Purnamawati, Tati Purnomojati Anggoroseto Puspita Yuliandari Qotrunnada, Indah RAD Widyastuti Raden Ajeng Diana Widyastuti Rafli Wirayudha Rahmat Budiarto Ramadhani, Ochi Rangga, Kordiyana K. Rara Reinata Rhamadanti Putri Retno Muslinawati Riantoro, Surya Fajar Riky Fernando Rinaldi Bursan Rio Tedi Prayitno Romadhona, Salsabilla Noviya Ronaldi, Ferdy Rustiyani, Bella Safitri, Yuli Salsafira Ayuningtyas Sandi Asmara Sandy Al Fauzan, Muhammad Hafizh Sanjaya, Muhammad Gusti Jofa Sanjaya, Purba Saputra, Dimas Adi Saputro, Cipto Hadi Serly Silviyanti Serly Silviyanti Serly Silviyanti S Shinta Tantriadisti Siagian, Sri Putri Jelita Sidik, Nur Fajar Silviyanti S, Sherly Silviyanti S., Serly Silviyanti, Serly Siswanto, Hidayat Puji Siti Aisyah Soepraktikno, Serly Silviyanti Soepratikno, Serly Silviyanti Sulastri Sulastri Sumardjo Sumaryo Gitosaputro sutiana Sutiana Sutiana Sya'adah, Asyifa Nur Syairul Bahar Syalsabila V.H, Dinda Tiara Syarief, Yuniar A Tania Oktrisa Tanjung, Rahmadani Tataning Utami Tati Musoleha Terisia Muharam Sesunan, Terisia Muharam Tiara Hernanda Tubagus Hasanuddin Tunggal, Liels Abdi Umamit, Nurulla Beliyana Utami, Tataning Wahyunengsih, Wahyunengsih Widyastuti, R.A.D. Widyastuti, RA Diana Wirayudha, Rafli Wiryawan, Driya Wuryaningsih Dwi Sayekti Yaktiworo Indriani Yudha Rahman Yul Martin Yuli Safitri