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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Agrotek Tropika
Amin, Adnan
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Agriculture, Biological Sciences & Forestry

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PENGARUH VARIETAS DAN PEMUPUKAN FOSFOR TERHADAP PERTUMBUHAN SERTA HASIL KEDELAI (Glycine max) Amin, Adnan; Munauwar, Muhammad Muaz; Bakar, Basri A; Aziz, Abdul; Ismail, Muhammad
Jurnal Agrotek Tropika Vol 9, No 2 (2021): JURNAL AGROTEK TROPIKA VOL 9, MEI 2021
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v9i2.4686

Abstract

Pengaruh varietas dan pemupukan fosfor terhadap pertumbuhan serta hasil kedelai (Glycine max). Penelitian ini menggunakan rancangan acak kelompok faktorial yang terdiri dari dua faktor. Faktor pertama adalah varietas kedelai (V) : Anjasmoro, Grobogan, Dena 1 dan Dena 2. Faktor kedua adalah pemberian pupuk fosfor : 0 kg P2O5/ha, 20 kg P2O5/ha, 40 kg P2O5/ha dan 60 kg P2O5/ha. Terdapat 16 kombinasi perlakuan yang diulang sebanyak tiga kali. Hasil penelitian menunjukkan varietas kedelai berpengaruh sangat nyata terhadap tinggi pada umur 15 dan 30 HST, ukuran tertinggi pada 15 dan 30 HST di jumpai pada varietas Dena 1. Varietas kedelai berpengaruh nyata terhadap umur berbunga, umur berbunga tercepat terdapat pada varietas grobogan, varietas yang paling lama memunculkan bunga adalah dena 2. Varietas kedelai berpengaruh sangat nyata terhadap umur panen, umur panen tercepat adalah varietas grobogan dan umur panen terlama adalah varietas dena 2. Varietas kedelai berpengaruh sangat nyata terhadap berat 100 biji, varietas dena 2 memiliki berat tertinggi sedangkan berat terendah didapati pada varietas dena 1. Varietas kedelai berpengaruh sangat nyata terhadap berat biji pertanaman, berat biji pertanaman tertinggi terdapat pada varietas dena 2, sedangkan yang terendah terdapat pada varietas dena 1 dan grobogan.
Aplikasi Gipsum pada Kultivar Padi Tahan Salin Bahri, Syamsul; Amin, Adnan; Fitriani, Fitriani
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 1 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.1.85

Abstract

Global climate change is predicted to increase the marginal land area, especially saline land, which affects the productivity of rice yields, so proper land management and tolerant varieties are needed. This study aimed to compare saline-tolerant cultivars and productivity at several concentrations of gypsum applications. The research was conducted on saline paddy soil in Cinta Raja Village, East Langsa District, Langsa City. We used fourteen cultivars studied, i.e., Batang Hari, Mendawak, Malaisia, Beres, Siak Raya, Martapura, Dendang, Air Tenggulan, Lambur, Banyuasin, Panasur, Impari, Indra Giri, and Margasari. The best results were found at the application of 1.5 tons per ha gypsum on the Dendang variety (G1V7) as shown by the higher plant height, i.e., 47.67, 60.53, and 71.20 cm at the ages of 30, 45, and 60 DAP, the number of tillers rice was 43.87 at 50 HST, and 39.87 at 60 DAP. The average weight of 1000-grains iwa 28.87 g, and an estimated yield was 7.63 tons ha-1. In conclusion, the Dendang variety, with the application of 1.5 tons of gypsum per ha, can be recommended for planting in saline soils. Keywords: gypsum, rice variety, salinity, sodium
Peningkatan Produktivitas Tanah Sulfat Masam dan Hasil Padi Menggunakan Bioarang dari Limbah Industri Penggergajian Kilang Kayu Bahri, Syamsul; Amin, Adnan; Saputra, Iwan
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 1 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.1.1

Abstract

The study aims to analyze three aspects. (1) Formulation of biochar from wood refinery sawmill waste at pyrolysis temperatures of 450°C and 550°C with pyrolysis times of 2 and 4 hours. (2) The best wood refinery sawing waste biochar dosage to improve the chemical quality of acidic sulfate soil through improving soil pH, Al-dd, N, P, and K of the soil. (3) Growth and production of paddy on acidic sulfate soils by application of ameliorant biochar of waste sawmill wood mill. The research was conducted in acidic sulfate soil in a screen house in the Experimental Garden of the Faculty of Agriculture, Syiah Kuala University. Soil samples and biochar were analyzed at the Soil and Plant Research Laboratory of the Faculty of Agriculture. The study was an experiment using a factorial complete randomized design with two factors: the temperature and pyrolysis time and the dose of biochar. The results showed that the application of biochar waste from sawmill wood refineries had a very significant and significant effect on improving the quality of acidic sulfate soil and the growth and production of rice fields. The formulation of biochar at a pyrolysis temperature of 550°C for 2-hour pyrolysis with 20 tons/ha is the best improvement in acid sulfate soil quality, growth, and rice field production. Keywords: acid sulphate, biochar, paddy
Co-Authors Abdul Aziz Basri A Bakar, Basri A Fitriani Fitriani Muhammad Ismail Muhammad Muaz Munauwar Saputra, Iwan Syamsul Bahri