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All Journal ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Kultivasi Jurnal Sains Teh dan Kina Perbal: Jurnal Pertanian Berkelanjutan
Adhi Irianto Mastur, Adhi Irianto
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Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Prunning technique and foliar fertilizer application to improve yield of pecco in fourth prunning year of tea plant haq, muthia syafika; Mastur, Adhi Irianto; Karyudi, Dr H
Jurnal Penelitian Teh dan Kina Vol 19, No 1 (2016)
Publisher : Research Institute for Tea and Cinchona

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (283.734 KB) | DOI: 10.22302/pptk.jur.jptk.v19i1.54

Abstract

Effect of prunning technique and foliar fertilizer application had been conducted to improve yield of pecco in the Research Institute for Tea and Cinchona experiment station, Gambung, Indonesia with altitude of 1.350 m above sea level, and with andysol soil type. The experiment was held from July to October 2015 in tea production field area containing 480 plants. The clone was GMB 7and was in the fourth prunning year, interval of plucking pecco was seven days. The experiment was arranged in a randomized block design with four treatments, replicated six times. Foliar fertilizer application was performed following every plucking. The results indicated that breaking apical dominance of tea short by 5 cm–10 cm of prunning above plucking table combined with foliar fertilizer application of N 1% and ZnSo4 2% + 0,1% of humic acid, could increase weight of pecco per plot in the first nine weeks of the prunning. This treatment was better than the other three. But the percentage of pecco shoots was low, lower than 50%, the weight of one pecco was also very low 0,7 g, indicating that the treatment of harvesting pecco in the fourth prunning year was not recomended to be practiced in improving yield of pecco.
Review: The harvesting process and recent advances on health benefits of white tea Mastur, Adhi Irianto; Karuniawan, Agung; Ernah, Ernah
Kultivasi Vol 22, No 3 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i3.50075

Abstract

The meticulous harvesting process and appropriate post-harvest techniques play pivotal roles in preserving the quality and health benefits of white tea. This careful approach maintains the bioactive compounds such as polyphenols, caffeine, gallic acid, Epigallocationchin (EGC), Epigallocationchin gallate (EGCG), and Epicatechin gallate (ECG), integral to white tea's health benefits. The stability of catechin content in tea plants is greatly influenced by the environment (clone, plant age, leaf age, altitude, temperature, humidity, processing, and pH when storing dry tea). In Indonesia, the raw materials used to produce white tea are mostly pecco from the superior GMB clone Assamica variety which has high polyphenol content (14.83 – 15.43% dry weight). To increase polyphenol levels, the treatment that needs to be considered is the provision of optimum and appropriate fertilizer. The highest catechin content comes from plucking in summer and spring season. Subsequently, controlled post-harvest processes, including controlled withering and drying, safeguard the integrity of active compounds like catechins as antioxidants in white tea, mitigating free radicals and cellular damage.  The highest antioxidant showed from 23 hours whithered. The storage time for white tea also has an impact on quality. The content of catechins and amino acids showed a tendency to decrease with storage time. On the other hand, gallic acid increases with the length of storage. The combined effect of these phases, from harvesting through post-harvesting, contributes significantly to white tea's health benefits, encompassing cardioprotective effects, anti-diabetic potential, prevention of anticarcinogenic and antimutagenic activity, neuroprotective properties, and antimicrobial attributes.
Klasifikasi Tingkat Kematangan Pucuk Daun Teh menggunakan Metode Convolutional Neural Network IBRAHIM, NUR; LESTARY, GITA AYU; HANAFI, FANIESA SAUFANA; SALEH, KHAERUDIN; PRATIWI, NOR KUMALASARI CAECAR; HAQ, MUTHIA SYAFIKA; MASTUR, ADHI IRIANTO
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 10, No 1: Published January 2022
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v10i1.162

Abstract

ABSTRAKIndonesia merupakan salah satu negara besar pengekspor teh di dunia. Luasnya area perkebunan teh menyebabkan setiap blok tanam daun teh memiliki waktu petik dan tingkat kematangan yang berbeda. Sehingga salah satu upaya untuk mengetahui tingkat kematangan daun teh yaitu menerapkan sistem otomatisasi menggunakan pengolahan citra digital. Pada penelitian ini dirancang sebuah sistem klasifikasi tingkat kematangan pucuk daun teh dari jenis sampel varietas Assamica Klon (GMB 7) yang yang berada pada Pusat Penelitian Teh dan Kina Gambung. Penelitian ini menerapkan metode pengolahan citra digital dengan algoritma Convolutional Neural Network (CNN) menggunakan Arsitektur VGGNET19 dan ResNet50. Hasil pengujian sistem memperoleh nilai akurasi terbaik sebesar 97.5% dengan menggunakan arsitektur VGGNET19, Optimizer RMSprop, learning rate 0.01, batch size 32 dan epoch 100.Kata kunci: teh, klasifikasi, Convolutional Neural Network, VGGNET19, ResNet50 ABSTRACTIndonesia is one of the major tea exporting countries in the world. The large area of tea plantations causes each tea leaves planting block to have a different picking time and maturity level. So that one of the efforts to determine the maturity level of tea leaves is to apply an automation system using digital image processing. In this study, a classification system for the maturity level of tea leaves design from the Assamica Klon (GMB 7) variety sample located at the Gambung Tea and Quinine Research Center. This study applies a digital image processing method with the Convolutional Neural Network (CNN) algorithm using VGGNET19 and ResNet50 Architecture. The results of the system test obtained the best accuracy value of 97.5% using the VGGNET19 architecture, RMSprop Optimizer, learning rate 0.01, batch size 32 and epoch 100.Keywords: tea, classification, Convolutional Neural Network, VGGNET19, ResNet50
Produktivitas Tanaman Labu Kuning Varietas Hibrida Kuning dan Zucchini yang Diberikan Kombinasi Pemupukan Pupuk Organik Hayati dan Pupuk Anorganik: Productivity of Yellow Pumpkin Hybrid and Zucchini Varieties Under Combined Application of Solid Bio-Organic Fertilizer and Inorganic Fertilizer Amalia, Istia Siti; Giffari, Fahri Rijal; Septianugraha, Reza; Halimatussadiah, Tsalisah; Mastur, Adhi Irianto; Rohimat, Nanang
Perbal: Jurnal Pertanian Berkelanjutan Vol. 14 No. 1 (2026): Perbal: Jurnal Pertanian Berkelanjutan
Publisher : Fakultas Pertanian Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/perbal.v14i1.8143

Abstract

Labu kuning (Cucurbita moschata) dan zucchini (Cucurbita pepo) merupakan komoditas hortikultura yang memiliki nilai ekonomi tinggi. Produktivitas tanaman labu sangat dipengaruhi oleh ketersediaan hara yang optimal dan berkelanjutan. Kombinasi pupuk organik hayati dan pupuk anorganik berpotensi meningkatkan efisiensi pemupukan sekaligus memperbaiki kesuburan tanah. Penelitian ini bertujuan untuk menganalisis pengaruh kombinasi pupuk organik hayati padat Bio Soltamax dan pupuk anorganik terhadap produktivitas labu kuning varietas hibrida dan zucchini. Penelitian menggunakan metode eksperimental dengan analisis komparatif dengan perlakuan kelompok kontrol, yaitu pemupukan kimia tunggal 100% (Urea, SP-36, dan KCl) dan kelompok perlakuan kombinasi, yaitu pupuk organik padat Bio Soltamax dengan pengurangan pupuk anorganik hingga 50%. Pengamatan dilakukan terhadap bobot hasil tanaman. Hasil penelitian menunjukkan pemberian kombinasi pupuk organik padat Bio Soltamax dengan pupuk anorganik mampu meningkatkan produktivitas labu kuning hibrida dan zucchini dibandingkan dengan 100% pupuk anorganik. Peningkatan bobot buah menunjukkan peran konsorsium mikroba dalam meningkatkan efisiensi serapan hara serta mendukung pertumbuhan dan pengisian buah. Kandungan bahan organik yang tinggi dalam pupuk organik padat mampu memperbaiki sifat fisik dan biologis tanah sehingga meningkatkan ketersediaan dan serapan hara. Integrasi antara pupuk organik hayati padat Bio Soltamax dan pupuk anorganik mampu meningkatkan hasil tanaman sekaligus mengefisienkan penggunaan pupuk kimia, sehingga berpotensi menjadi strategi pemupukan yang efektif dan berkelanjutan pada budidaya labu kuning. Yellow pumpkin (Cucurbita moschata) and zucchini (Cucurbita pepo) are horticultural commodities with high economic value. Pumpkin productivity is strongly influenced by optimal and sustainable nutrient availability. The combination of bio-organic and inorganic fertilizers has the potential to improve fertilization efficiency while enhancing soil fertility. This study aimed to analyze the effect of combining solid bio-organic fertilizer Bio Soltamax and inorganic fertilizers on the productivity of hybrid yellow pumpkin and zucchini. The research employed an experimental method with comparative analysis using a control treatment consisting of 100% chemical fertilization (Urea, SP-36, and KCl) and a combination treatment of solid bio-organic fertilizer Bio Soltamax with a reduction of inorganic fertilizer by up to 50%. Observations were focused on yield weight. The results showed that the application of solid bio-organic Bio Soltamax combined with inorganic fertilizers increased the productivity of hybrid yellow pumpkin and zucchini compared with 100% inorganic fertilization. The increase in fruit weight indicates the role of microbial consortia in improving nutrient uptake efficiency and supporting plant growth and fruit filling. The high organic matter content in the solid bio-organic fertilizer improved the physical and biological properties of the soil, thereby enhancing nutrient availability and uptake. The integration of solid bio-organic fertilizer Bio Soltamax with inorganic fertilizers increased crop yield while improving the efficiency of chemical fertilizer use, indicating its potential as an effective and sustainable fertilization strategy for pumpkin cultivation.
The Penggunaan Pupuk Organik Hayati Padat Pembenah Tanah Terhadap Hasil Panen Tanaman Kemangi (Ocimum basilicum L.) di Tanjungsari Kabupaten Sumedang: The Application of Solid Bio-Organic Fertilizer as a Soil Conditioner on the Yield of Basil (Ocimum basilicum L.) in Tanjungsari, Sumedang Regency Ningtyas, Dewi Nurma Yanti; Dewi, Sheli Mustikasari; Giffari, Fahri Rijal; Shidiq, Fauziah Zahra Ash; Mastur, Adhi Irianto
Perbal: Jurnal Pertanian Berkelanjutan Vol. 14 No. 1 (2026): Perbal: Jurnal Pertanian Berkelanjutan
Publisher : Fakultas Pertanian Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/perbal.v14i1.8168

Abstract

Tanaman kemangi (Ocimum basilicum L.) memiliki nilai ekonomi tinggi sebagai sayuran segar yang banyak dikonsumsi. Di Tanjungsari, Kabupaten Sumedang, budidaya kemangi menghadapi hambatan berupa penurunan kualitas tanah dan rendahnya efisiensi pemupukan, sehingga hasil panen tidak optimal. Penelitian ini bertujuan mengevaluasi pengaruh pupuk organik hayati (POH) padat sebagai pembenah tanah terhadap pertumbuhan dan bobot panen kemangi. Penelitian menggunakan Rancangan Acak Kelompok (RAK) dengan enam perlakuan: kontrol (A), 100% POH (B), POH + 25% dosis rekomendasi anorganik (C), POH + 50% dosis rekomendasi anorganik (D), POH + 100% dosis rekomendasi anorganik (E), dan 100% pupuk anorganik (F),masing-masing diulang empat kali. Parameter yang diamati meliputi tinggi tanaman dan bobot panen. Hasil menunjukkan kombinasi POH dengan 50% pupuk anorganik memberikan pertumbuhan optimal (tinggi 30,41 cm; bobot 27,32 g), lebih tinggi dibandingkan dengan perlakuan lain dan kontrol. Efektivitas ini terkait kontribusi mikroorganisme POH dalam meningkatkan ketersediaan hara, fiksasi nitrogen, pelarutan fosfat, stimulasi fitohormon, serta perbaikan struktur tanah. Studi menyimpulkan penggunaan POH padat dengan 50% pupuk anorganik dapat meningkatkan hasil kemangi, efisiensi pemupukan, dan mendukung pertanian berkelanjutan. Basil (Ocimum basilicum L.) is an economically valuable crop widely consumed as a fresh vegetable. In Tanjungsari, Sumedang Regency, basil cultivation faces challenges including declining soil quality and low fertilizer use efficiency, resulting in suboptimal yields. This study aimed to evaluate the effect of solid Bio-Organic Fertilizer (BOF) as a soil conditioner on the growth and yield of basil. The experiment was conducted using a Randomized Complete Block Design (RCBD) with six treatments: control (A), 100% BOF (B), BOF + 25% recommended inorganic fertilizer (C), BOF + 50% recommended inorganic fertilizer (D), BOF + 75% recommended inorganic fertilizer (E), and 100% inorganic fertilizer (F), each replicated four times. Observed parameters included plant height and fresh weight. Results indicated that the combination of BOF with 50% inorganic fertilizer produced the highest growth and yield (30.41 cm height; 27.32 g fresh weight), outperforming other treatments and the control. This effectiveness is attributed to the contribution of BOF microorganisms in enhancing nutrient availability, nitrogen fixation, phosphate solubilization, phytohormone stimulation, and soil structure improvement. The study concludes that applying solid BOF with 50% inorganic fertilizer can increase basil yield, improve fertilizer use efficiency, and support sustainable agriculture.
Co-Authors Agung Karuniawan Amalia, Istia Siti Dewi, Sheli Mustikasari Dr H Karyudi, Dr H Ernah, Ernah Giffari, Fahri Rijal Halimatussadiah, Tsalisah HANAFI, FANIESA SAUFANA KHAERUDIN SALEH LESTARY, GITA AYU Muthia Syafika Haq, Muthia Syafika Ningtyas, Dewi Nurma Yanti Nor Kumalasari Caecar Pratiwi Nur Ibrahim Rohimat, Nanang Septianugraha, Reza Shidiq, Fauziah Zahra Ash