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Journal : Agrotechnology Research Journal

Dampak Defisiensi dan Toksisitas Hara Magnesium terhadap Karakteristik Agronomi dan Fisiologi Padi Gogo Aisar Novita; Koko Tampubolon; Hilda Julia; Fitria Fitria; Arie Hapsani Hasan Basri
Agrotechnology Research Journal Vol 6, No 1 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (630.378 KB) | DOI: 10.20961/agrotechresj.v6i1.59834

Abstract

Deficiency or excess magnesium in the soil can affect the vegetative and generative growth of plants. This study aimed to identify the effect of magnesium deficiency and toxicity on the agronomic and physiological characteristics of upland rice. The study was conducted on farmers' land, Medan Selayang Subdistrict, Medan City, from June 2021 to January 2022. This study used a non-factorial randomized block design, namely the application of 27% MgO fertilizer based on the deficiency rates, (0; 1/2; 1/4; 1/8; 1/16; 1/32 times), while the toxicity levels include 0; 2; 4; 8; 16; 32-times within three replicates. The results showed that Mg deficiency significantly inhibited the growth of plant height; leaf area; total chlorophyll SPAD; panicle length; shoot dry weight; and yield.ha-1 were 20.68; 26.77; 19.23; 22.60; 44.20; and 50.72%, respectively. The Mg toxicity significantly inhibited the growth of the leaf area, the number of tillers, number of productive tillers, shoot dry weight, and root dry weight were 14.24; 32.15; 42.87; 34.07; and 44.31%, respectively. The critical limit (BK50) for upland rice caused by deficiency and toxicity of Mg were 0.032 and 1125.189 g/10 kg of the soil, respectively.
Co-Authors Aida Safitri Aisar Novita Akhmad Faizal Rahman Ananda Setiawan Anang Walian Anindya Wulan Anizar Ahmad April Yanti Arie Hapsani Hasan Basri Asma Nur Islami Asnita Sinaga Azhar Azhar Bintang Indragiri Davit Rahmadan Devia Lestari Dian Rosadi Dyah Nugrahani Elita Rahmi Epa Arnas Eri Triharyati Esitra Esitra Evi Dianti Bintari Farah Firda Azkia Febriana Sari Fitri Lestari Fitriana Fitriana Hadi Wijoyo Hadrianti H.D. Lasari Hafni A. Hakiman Thamrin Hamidah Hamidah Hardi Mulyono Hartarti Hartarti Hasnah Faizah AR Helena Olivia Herawati Herawati Heriswanto, Heriswanto Herna Rinayanti Manurung Hilda Julia Iche Nurjannah Imam Fatoni Irdawati Irdawati Irham Natsir Irma Idayati Ismawan Ismawan Juliana Tanjung Karimuddin Karimuddin Khafifah Widya Maharani Koko Tampubolon Lidya Natalia Sinuhaji Luthfiyyah Ananda Putri M. Ragil Andrean M.Daffa Naufalsyah Mahdalena Maksalmina Maksalmina Mawaddah Muthia Amanda Mayada Fahrina Maylia Ayu Nurvarindra mbina pinem Melvia Tri Yunita Mohd. Hefzan Monika Handayani, Monika Muh.Rizki Muhammad Jafar Muhammad Kevin Naufal Sakti Mukhtar Yusuf Mutia Rahmawati Nabila Anjelia Putri Nadia Puteri Utami Nelva Tina Noor Ahda Fadillah Noor Salsabila Novinta Deva Dwitami Qonaah Ulfa Nurrahmah RETNO WAHYUNI Ridiani Maulia Rini Susanti Risnawati Risnawati Rita Nengsih Rizanizarli Rizanizarli Rudi Fakhriyadi Seri Widiyana Serli Zahra Silvia Nora, Silvia Siska Amelia Suci Tiara Pertiwi Sufitrayati Sufitrayati Sukamto Satoto Suryani Suryani Suyadi Suyadi Syafitasari, Juanda Syamsul Amar B Teuku Rihayat Tia Oktiani Tika Rahmawina Vera D. Mulia Welis Raldianingrat Widya Asih Lestari Yurizka Ramadhanti Zenitha Maulida