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All Journal Agrotechnology Research Journal
Djoko Purnomo
Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret, Surakarta, Central Java 57126, Indonesia
Agriculture, Biological Sciences & Forestry

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Pupuk Organik Cair Ampas Kopi terhadap Karakteristik Fisiologi dan Pertumbuhan Kangkung Darat Djoko Purnomo; Gani Cahyo Handoyo; Muji Rahayu; Alya Sausan Fauziyah
Agrotechnology Research Journal Vol 7, No 2 (2023): Agrotechnology Research Jurnal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v7i2.83697

Abstract

Extended use of synthetic chemical fertilizers may degrade soil quality. As a synthetic chemical fertilizer substitute, organic fertilizer can improve soil quality, produce healthier agricultural products, and be environmentally sustainable. Thus, coffee grounds liquid organic fertilizer may solve this problem. This study examines how liquid organic fertilizer made from coffee grounds affects land kale's physiological and growth characteristics. A fully randomized experimental design with one factor and 11 treatments was used. A control group, NPK-16-16-16 4 g, and Arabica, Robusta, and Liberica coffee were treated with three concentrations (4 mL.L-1, 12 mL.L-1, and 20 mL.L-1). Four replicates were run for each treatment. The investigation found that coffee ground liquid organic fertilizer does not meet Minister of Agriculture Decree 261/KPTS/SR.310/M/4/2019 criteria. Compared to the control group, liquid organic fertilizer made from coffee grounds did not increase land kale growth. Additionally, it did not grow as well as with NPK16-16-16 fertilizer. Coffee grinds liquid organic fertilizer only enhances kale growing on land, promoting sustainable agriculture.
Growth and Yield of Three Varieties of True Shallot Seed with Application of Plant Growth Regulators and Boron Formulations Sulandjari Sulandjari; Eddy Triharyanto; Djoko Purnomo; Endang Setia Muliawati; Hasbiya Rizqy Sabrina Sobari Putri
Agrotechnology Research Journal Vol 9, No 1 (2025): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agrotechresj.v9i1.94895

Abstract

Optimization of shallot production can use True Shallot Seed (TSS) and Plant Growth Regulator (PGR) + Boron formulation. The purpose of the study was to identify superior varieties that respond to the concentration of PGR + Boron formulation and can provide the best results. The research location was at 7°32’30” N and 110°48’32” E, from October 2023 to February 2024. A randomized complete block design factorial with two treatment factors was used, each repeated three times. The first is the type of variety (Lokananta, Maserati, and Sanren), the second is the type of PGR + Boron formulation, the composition of GA3+BAP+Boron (ppm:ppm:kg.ha-1) with four levels, that were 0:0:0, 50:25:2, 100:50:2, and 150:75:2. Conclusion, The Maserati variety of shallots from TSS with a PGR formulation of 100 ppm GA3 + 50 ppm BAP + 2 kg.ha-1 Boron produces better growth and yields than the Lokananta and Sanren varieties.
Co-Authors Alya Sausan Fauziyah Eddy Triharyanto Endang Setia Muliawati Gani Cahyo Handoyo Hasbiya Rizqy Sabrina Sobari Putri Rahayu, Ria Muji Sulandjari Sulandjari