Jurnal Agrotek Tropika

LAJU DEKOMPOSISI VERMIKOMPOS PADA JENIS CACING TANAH DAN KOMPOSISI BAHAN BAKU

Refayana Arista Veranida — Sat, 28 Feb 2026 00:00:00 +0000

Limbah organik (kotoran sapi dan ampas tahu) sering menimbulkan masalah dalam lingkungan. Cacing tanah merupakan dekomposer limbah organik dalam proses vermikomposting. Penelitian ini bertujuan untuk mengetahui pengaruh jenis cacing tanah dan komposisi bahan baku terhadap laju dekomposisi vermikompos. Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap Faktorial (RALF) dengan dua faktor. Faktor pertama adalah jenis cacing tanah yaitu C₁= Perinyx excavatus dan C₂= Eudrilus eugeniae, dan faktor kedua adalah komposisi bahan baku yaitu K₁ = 40% kotoran sapi : 60% ampas tahu, K₂ = 60% kotoran sapi : 40% ampas tahu, K₃ = 80% kotoran sapi : 20% ampas tahu, K₄ = 100% kotoran sapi dan K₅ =100% ampas tahu. Hasil uji percobaan dilakukan uji lanjutan dengan BNT 5% untuk mengetahui perbedaan rerata perlakuan. Hasil penelitian didapatkan bahwa kombinasi jenis cacing dan jenis bahan baku mempengaruhi pH, EC, C-organik, N-total, dan C/N rasio vermikompos. Kombinasi C₂K₅ menghasilkan pH tertinggi (7.93%), kombinasi C₁K₃ menghasilkan EC tertinggi (7.02 ms/cm), kombinasi C₁K₄ menghasilkan C-organik terbaik (23.14%), kombinasi C₁K₅ menghasilkan nilai N-total tertinggi (6.40%) dan kombinasi C₂K₃ menghasilkan C/N rasio tertinggi (25.12%).

PEMANFAATAN PUKAN KAMBING DAN KEONG MAS SEBAGAI POC UNTUK MENINGKATKAN P TERSEDIA, PERKEMBANGAN DAN HASIL KACANG TANAH DI ULTISOL

Thu, 28 May 2026 00:00:00 +0000

Kotoran kambing dan POC keong mas dapat dimanfaatkan untuk memperbaiki unsur hara P pada tanah ultisol yang tergolong tanah marginal dengan kandungan unsur hara rendah khususnya P dan bersifat asam. Penelitian ini bertujuan untuk memahami pengaruh pemberian pupuk berbahan dasar kotoran kambing dan POC keong mas terhadap P-tersedia tanah. pertumbuhan dan hasil kacang tanah. Pelaksanaan penelitian di Gedung Johor Medan, kebun percobaan UISU. Rancangan acak kelompok faktorial digunakan sebagai metode penelitian. Perlakuan terdiri dari pupuk kandang kambing dan POC keong mas dengan konsentrasi berbeda. Setiap kombinasi perlakuan diulang tiga kali. Temuan penelitian menunjukkan bahwa penambahan kotoran kambing dan POC keong mas secara bersamaan dapat meningkatkan kadar P-tersedia ultisol. Selain itu, jika diterapkan secara terpisah, pupuk kandang kambing dan POC keong mas dapat meningkatkan perkembangan dan hasil kacang tanah. Secara terpisah, dosis pukan kambing terbaik adalah 1800 g/petak, dan konsentrasi POC keong mas terbaik adalah 300 mL/L/petak, keduanya dapat memperbaiki perkembangan dan hasil kacang tanah. Demikian pula, gabungan 1800 g/petak pupuk kandang kambing dan 300 mL/L/petak POC keong emas meningkatkan P-tersedia ultisol dibandingkan dengan perlakuan kontrol

GROWTH AND YIELD OF SWEET POTATOES ON THE USE OF MANURE AND APPLICATION OF THE CUTTING KNOT MODEL IN MAROS DISTRICT

Haerul - Haerul — Thu, 28 May 2026 00:00:00 +0000

The research conducted examined the use of manure and the cutting node model in sweet potato cultivation. The stage of land preparation before cultivating sweet potato plants is highly recommended to use organic fertilizer, but this has not been done by farmers optimally. Meanwhile, modeling the base of the cuttings to resemble a certain shape when planting is one of the local wisdoms in Maros district in planting sweet potatoes which has been carried out by farmers for generations. The research was conducted in Rompegading Village, Cenrana District, Maros Regency, South Sulawesi Province. This research used a two-factor randomized block experimental design. The first factor is the application of manure such as goat, cow or duck droppings and the second factor is making a cutting node model that resembles the number 8, the letter Q, and the letter J. The parameters observed are: 1) Growth parameters consisting of: branch length, number of branches , number of leaves, and crown weight, 2) Production parameters consist of: number of tubers and tuber weight. The results showed that all treatments were not significantly different. However, it can be seen that the results of using goat manure using a J-shaped cutting node model are better than other treatments.

PENGARUH MODIFIKASI MEDIA MS TERHADAP MULTIPLIKASI TUNAS BEBERAPA VARIETAS KRISAN SECARA IN VITRO

Khairunnisa Khairunnisa, Asnawati Asnawati, Agustina Listiawati — Thu, 28 May 2026 00:00:00 +0000

Krisan (Chrysanthemum L.) merupakan tanaman hias populer di Indonesia dengan beragam varietas yang memiliki penampilan menarik. Peningkatan produksi krisan yang memerlukan ketersediaan bahan tanam berkualitas, sehat dan memiliki kemurnian genetik dapat diatasi dengan metode kultur in vitro. Modifikasi media kultur MS, seperti pengurangan konsentrasi dan penambahan ekstrak ragi merupakan alternatif untuk meningkatkan efisiensi pertumbuhan dan mengurangi biaya produksi. Tujuan dari penelitian ini adalah untuk mendapatkan modifikasi media MS yang terbaik untuk multiplikasi tunas beberapa varietas krisan secara in vitro. Penelitian ini menggunakan Rancangan Petak Terbagi (RPT) dengan dua faktor, yaitu 3 varietas krisan (Pasopati, Sabiya Agrihorti, dan Suciyono) sebagai petak utama dan 4 modifikasi media (MS, ½ MS, MS dan 6% ekstrak ragi, serta ½ MS dan 6% ekstrak ragi) sebagai anak petak. Setiap perlakuan diulang 3 kali dan masing-masing ulangan terdiri dari 3 sampel tanaman sehingga terdapat total 108 unit percobaan. Hasil penelitian menunjukkan bahwa modifikasi media ½ MS merupakan yang paling efektif dan efisien untuk mengoptimalkan kecepatan waktu muncul tunas, jumlah tunas dan jumlah akar beberapa varietas krisan secara in vitro.

Indeks Nilai Penting Sebaran Vegetasi Paku-Pakuan Di Kawasan Hutan Rakyat Ternadi, Kecamatan Dawe, Kabupaten Kudus

Tangguh Prakoso, Hendy Hendro Hadi Sridjono, Suharijanto Suharijanto — Thu, 28 May 2026 00:00:00 +0000

Indonesia merupakan salah satu negara dengan biodiversiti yang melimpah terutama tanaman paku-pakuan. Keanekaragaman jenis tanaman paku-pakuan tersebut merupakan asset yang sangat berharga untuk meningkatkan keanekaragaman hayati yang ada di Indonesia. Desa Tawangrejo dan Ternadi terletak pada Kecamatan Dawe, Kabupaten Kudus. Secara topografi desa Tawangrejo dan Ternadi terdiri atas dataran tinggi dengan mayoritas perbukitan dengan ketinggian ±700-800 mpdl. Selain itu Desa Tawangrejo dan Ternadi juga terletak pada Kawasan Hutan Rakyat yang banyak dimanfaatkan sebagai kegiatan Agroforestri didalamnya. Lahan Agroforestri mendominasi area Desa Tawangrejo dan Ternadi dengan ditanami berbagai jenis tanaman kehutanan dan tanaman pertanian diantaranya adalah tanaman paku-pakuan yang tumbuh subur di daerah tersebut dengan ditanami berbagai jenis tanaman kehutanan dan tanaman paku-pakuan yang tumbuh subur di daerah tersebut. Paku-pakuan merupakan salah satu kekayaan hayati yang belum banyak diteliti, khususnya pada persebaran keragaman hayati khususnya pada Kawasan hutan rakyat Desa Tawangrejo dan Ternadi, sehingga perlu adanya kegiatan pemetaan penyebaran tumbuhan paku-pakuan tersebut sebagai inventarisasi tumbuhan paku-pakuan sebagai kekayaan hayati yang ada di Kawasan hutan rakyat Desa Tawangrejo dan Desa Ternadi.

Pemecahan Dormansi Benih Kopi Liberika (Coffea liberica) Menggunakan Ekstrak Eceng Gondok

Elza Zuhry, Rini Desvayona, Yunandra Yunandra — Fri, 29 May 2026 00:00:00 +0000

Generative propagation was a form of propagation that coffee growers have so far utilized most frequently. Seed dormancy is a common issue in the production of generative coffee. The length of the germination process undoubtedly affects the quantity of seeds available, hence ZPT soaking is required to get around it. a few the crops that can be utilized a source of the hormone gibberellin is the water hyacinth. The goal of this study was to find a therapy that would effectively break the dormancy of Liberika coffee seeds by soaking coffee seeds in water hyacinth extract. P0 = Soaking with water for 24 hours (control), P1 = Soaking with water hyacinth root extract for 12 hours, P2 = Soaking with water hyacinth root extract for 24 hours, and P3 = Soaking with water hyacinth root extract for 36 hours. The research was carried out using a design that was completely randomized. The findings indicated that the length of time liberica coffee seeds were soaked in water hyacinth extract have a substantial impact on breaking the dormancy of coffee seeds, as measured by the percentage of time that sprouts appeared and the percentage of time that cotyledons ruptured, as well as germination power and speed. Coffee seeds should be soaked in water hyacinth extract for least 24 hours for the most effective results.

EFEKTIVITAS PENGGUNAAN NAUNGAN DAN PUPUK KANDANG KAMBING TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KROKOT (Portulaca Oleracea L.)

Aufa Aptana Amalia Arif — Thu, 28 May 2026 00:00:00 +0000

Krokot (Portulaca oleracea L.) merupakan gulma potensial kaya manfaat yang layak dikembangkan menjadi bahan konsumsi masyarakat. Pemenuhan kebutuhan sumber pangan krokot harus tersedia secara kontinyu, aman dikonsumsi dan berkualitas, sehingga diperlukan pembudidayaan secara intensif melalui pengaturan faktor suhu, intensitas cahaya, kelembapan, kondisi tanah dan nutrisi. Faktor-faktor tersebut berpengaruh baik secara langsung maupun tidak langsung terhadap metabolisme tanaman, terutama krokot yang berperan sebagai tanaman obat karena berhubungan dengan zat aktif yang terkandung. Penelitian dilaksanakan di Tanggung, Kecamatan Kepanjenkidul, Kota Blitar, Jawa Timur pada September hingga November 2023. Penelitian menggunakan metode eksperimental dengan Rancangan Petak Terbagi dalam Rancangan Acak Kelompok (RAK) yang terdiri atas dua faktor. Faktor pertama (main plot) yaitu intensitas cahaya yang terdiri atas naungan 0% (kontrol/N0), naungan 50% (N1) dan naungan 75% (N2). Faktor kedua (sub plot) yaitu dosis pupuk kandang kambing (P) yang terdiri atas 0 g/polibag (kontrol/P0), 40 g/polibag (P1), 60 g/polibag (P2) dan 80 g/polibag (P3). Parameter yang dikur selama pengamatan yaitu waktu muncul tunas, jumlah daun, jumlah cabang, diameter tajuk, waktu muncul bunga dan bobot basah tanaman. Hasil penelitian menunjukkan interaksi terbaik didapat pada kombinasi naungan 0% dan dosis pupuk kandang kambing 60 g/polibag. Perlakuan naungan 0% secara tunggal mampu mempengaruhi jumlah daun, jumlah cabang, diameter tajuk, waktu muncul bunga, dan bobot basah tanaman. Perlakuan dosis pupuk kandang kambing 60 g/polibag secara tunggal mampu mempengaruhi seluruh parameter pengamatan.

THE EFFECT OF BOKASHI OF SHALLOT STRAW FERTILIZER TO THE GROWTH AND YIELD OF SHALLOT (Allium ascalonicum L.) CV. BIMA

Umi Trisnaningsih, Azis Mustopa, Amran Jaenudin — Thu, 28 May 2026 00:00:00 +0000

Shallot waste, in the form of stover, is often a problem at shallot marketing locations. To overcome this problem, stover can be further processed into bokashi compost. This study examines the effect of bokashi compost doses on shallot plants. The experiment was conducted in Silihasih Village, Babakan District, Cirebon Regency from August to October 2021. A randomized complete block design (RCBD) was used to test the effect of shallot bokashi doses (0, 10, 20, 30, 40, 50, and 60 t ha^-1) on shallot growth and yields. The observed growth variables were plant height, number of leaves and shoots per clump, root volume, root shoot ratio, and plant growth rate. The observed yield component and yield variables were bulb diameter, fresh bulb weight per clump and per plot, and dry bulb weight per clump and per plot. The results showed that shallot stover bokashi can increase shallot growth and yield. Shallot stover bokashi of 20 and 60 t ha^-1 produced higher dry weight of bulbs per plot than other treatments, namely 3.22 and 3.16 t plot^-1.

THE EFFECT OF COMBINATION OF PLANT MEDIA AND NPK FERTILIZER CONCENTRATION ON THE GROWTH AND DEVELOPMENT OF WHITE REAGENT VARIETY POT CHRISAN (Dendrathema grandiflora)

Fri, 29 May 2026 00:00:00 +0000

Potted chrysanthemum is a horticultural commodity that is favored by consumers because it has a variety of flower colors with beautiful flower characteristics, short and lush stems. Growth and development of potted chrysanthemum plants were influenced by growing media and fertilizer improvement. This study was designed using a factorial Randomized Block Design (RBD) with 2 factors. Factor 1 had 6 levels including M1 treatment (chaff charcoal: cocopeat: sand with a ratio of 2: 1: 1), M2 treatment (husk charcoal: compost: sand with a ratio of 2: 1:1), M3 treatment (cocopeat: husk charcoal: sand with a ratio of 2 : 1 : 1), M4 treatment (cocopeat : compost : sand with a ratio of 2 : 1 : 1), M5 treatment (compost : husk charcoal : sand with a ratio of 2 : 1 : 1), M6 treatment (compost : cocopeat: sand with a ratio of 2: 1: 1). Factor 2 has 3 levels including treatment P1 with a concentration of 150 ppm, treatment P2 with 200 ppm, and treatment P3 with 250 ppm. The results obtained were that the M1 treatment was a combination planting media treatment that produced the highest growth average. The P3 treatment was the concentration of fertilizer application that produced the highest growth average. The M1P3 interaction treatment was the combination that produced the highest average growth in stem diameter at 1 WAP. The M6P3 treatment was the combination that produced the highest average growth in stem diameter at 3, 5 and 7 WAP. The M4P3 treatment was the combination that produced the highest average growth in crown diameter.

PERBANDINGAN KARAKTER MORFOLOGI ANGGREK VANDA SPESIES BALI DAN YOGYAKARTA

I Putu Benny Santika — Thu, 28 May 2026 00:00:00 +0000

Vanda orchid is one of the orchid species developed in Indonesia, especially in Bali and Yogyakarta, where currently the population has decreased due to various natural and social factors that require serious handling. To find out the differences of Vanda orchid plants in Bali and Yogyakarta, morphological characterization is one of the efforts to find out the diversity of orchid plants in terms of growth, shape, and appearance. The research was conducted in Bali from July to August 2023, and in the Biotechnology Lab, Faculty of Biology, Gadjah Mada University from September to December 2023. The research began by characterizing adult orchid plants morphologically which included; plant height; internode length; stem diameter; leaf length; leaf width; number of leaves; flower diameter; flower stalk diameter; flower stalk length; and number of flowers per stem. Based on the results of morphological characterization research found 6 types of orchid plants, namely: V. tricolor lindl. Var suavis Bali, V. tricolor lindl. Var suavis Merapi, V. limbata Bali, V. limbata accession Yogyakarta, V. helvola Bali, and V. helvola accession Yogyakarta. Morphologically these 6 orchid plants look the same, but there are parts that can be used as a differentiator that can be seen in the leaves and flowers.

VEGETATION ANALYSIS AND EFFICACY OF METSULFURON-METHYL 20% HERBICIDE TO CONTROL WEEDS IN THE SMALLHOLDER RUBBER (Hevea brasiliensis Muell. Arg.) PLANTATION IMMATURE TREE

Wulan Kumala Sari — Thu, 28 May 2026 00:00:00 +0000

Indonesia is a world’s largest rubber plantation area, but it is contrary with the productivity. One aspect of cultivation that causes a decrease in rubber productivity is competition with weeds, therefore the utilization of a chemical herbicide (metsulfuron-methyl 20%) has the effective potentially to controlling weeds in rubber plantations. This study aimed to evaluate the vegetation and composition of weeds, obtain the dose of metsulfuron-methyl 20% herbicide which is effective and efficient in controlling weeds in immature smallholder rubber plantations, and aware the phytotoxicity of rubber trees due to the application of it. The present research was conducted at the smallholder rubber plantation located in Tanjung Limau, Ampek Koto Village, Pulau Punjung Sub-district, Dharmasraya Regency and the Laboratory of Andalas University 3^rd Campus, Dharmasraya. This research was designed based on a Randomized Block Design (RBD) with seven treatments were repeated four times, i.e., metsulfuron-methyl 20% herbicide at 37,5 g/ha, 50 g/ha, 62,5 g/ha, 75 g/ha, 87,5 g/ha, manually weeding and control plot. The observations data were analysis of variance and it was continued by Duncan’s New Multiple Range Test (DNMRT) at 5% significance level. The results showed that there were five weed species that dominated in the immature rubber plantations, and metsulfuron-methyl 20% herbicide had an effect on two species of weeds, namely Borreria latifolia and Clidemia hirta, with a more effective and efficient dose of 37,5 g/ha. The results of phytotoxicity observations on immature rubber trees showed no symptoms due to application of metsulfuron-methyl 20% herbicide.

HASIL BERBAGAI KLON TANAMAN UBI KAYU PADA PEMBERIAN PUPUK CAIR

Siti Nurul Iftitah — Sat, 28 Feb 2026 00:00:00 +0000

Penelitian yang dilaksanakan bertujuan untuk mengetahui pengaruh aplikasi pupuk cair terhadap hasil beberapa klon tanaman ubi kayu. Penelitian berlangsung pada bulan Juli 2023 - Mei 2024 di Kebun Pendidikan dan Pengembangan Pertanian, Fakultas Pertanian, Universitas Tidar, Desa Sidorejo, Kecamatan Bandongan, Kabupaten Magelang. Metode penelitian yang digunakan yaitu percobaan faktorial yang disusun menggunakan rancangan split-plot dengan petak utama berupa macam klon dan anak petak berupa jenis pupuk. Terdapat dua faktor perlakuan pada penelitian ini, Faktor pertama yaitu macam klon yang terdiri dari Ketan, Mentega, Klenteng dan Rengganis. Faktor kedua berupa pupuk cair yang terdiri dari pupuk limbah Rumah Pemotongan Hewan (RPH) dan pupuk nano nutrien. Data dianalisis menggunakan sidik ragam kemudian dilakukan uji lanjut dengan uji BNT taraf 1 % dan 5 %. Hasil penelitian menunjukkan bahwa klon rengganis memberikan rerata paling tinggi parameter jumlah umbi, panjang umbi terpanjang, berat segar umbi dan kadar pati. Aplikasi pupuk nano nutrien menghasilkan kadar protein umbi tertinggi.