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Pengaruh Pemberian Kompos Limbah Tatal Crumb Rubber Pada Tanah Ultisol Terhadap Pertumbuhan Bibit Tanaman Pinang Betara (Areca catechu L.Var.Betara) di Polybag Wati, Fitra; Nasamsir, Nasamsir; Nengsih, Yulistiati
Jurnal Media Pertanian Vol 9, No 1 (2024): April
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v9i1.235

Abstract

Betel nut (Areca catechu L.) is a palm plant, which is grown mainly for seed use. The purpose of this study was to determine the effect of giving tatal crumb rubber waste compost on ultisol soil on the growth of Betara areca nut plant seeds (Areca catechu L.) and determine the best dose of tatal waste compost for the growth of Betara areca nut (Areca catechu L.) plant seeds. The research was carried out on Jalan Hj Nurijah Arifien at Rt.10 Olak Kemang, Teluk Lake District. The study was conducted for 3 months from June to September 2023. Testing of tatal waste compost analysis was carried out at the BPTP Jambi Laboratory. The study used a complete randomized design (RAL). The treatment design used different doses of tatal compost consisted of 4 dose levels as follows: t0 = soil 3 kg per polybag (control) t1 = tatal compost with a dose of 25 g + 3kg soil, t2 = tatal compost with a dose of 50 g + 3kg soil, t3 = tatal compost with a dose of 75 g + 3kg soil, t4 = tatal compost with a dose of 100 g + 3kg soil. Each treatment was repeated 3 times, resulting in 15 experimental plots. The number of plants per plot is 5 plants, 3 plants are taken as samples, so that the total number is 75 plants. Then the data was tabulated followed by variety analysis (Anova), then continued with the duncan test (DNMRT) at the level of α 5%. Based on the data from the results of research and variety analysis, it shows that the application of tatal waste compost with various doses has a real effect on plant height, stem diameter, root dry weight, root crown ratio and seedling quality index, but has no real effect on header dry weight. Application of tatal waste compost with t4 treatment dose (100g tatal waste compost + 3kg ultisol soil) showed the highest average value on the observed parameters. The t4 treatment increased plant height by 26.53%, stem diameter by 53.24%, plant crown dry weight by 44.26%, and plant root dry weight by 300% and seedling quality index by 133.33%. Keywords :      betel nut plant, compost; ultisol soil;
Respons Pertumbuhan Bibit Kakao (Theobroma cacao L.) Terhadap Pemberian Kombinasi Tandan Kosong Kelapa Sawit dan Pupuk Nitrogen Pada Media Sub Soil Ultisol Nasamsir, Nasamsir; Hayata, Hayata -; Akbar, Alvan Zarano
Jurnal Media Pertanian Vol 9, No 1 (2024): April
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v9i1.223

Abstract

The limited availability of top soil for fertile growing media encourages the alternative to use subsoil which is less fertile but more widely available. The research aims to test top soil substitution using a combination of TKKS and nitrogen fertilizer on the growth of cocoa seedlings (Theobroma cacao L.) in polybags. The research was carried out at Rt. 04, Simpang Rimbo, Alam Barajo, Jambi city and the Basic and Integrated Laboratory of Jambi University, from May to July 2023. The design used is a factorial Completely Randomized Design (CRD), the first factor of the growing media consists of five levels: k1 = top soil + sub soil (2:1), k2 = TKKS compost + sub soil (100 g: 3 kg), k3 = TKKS compost + sub soil (:150 g :3 kg), k4 = TKKS compost + Sub soil (200 g :3 kg), k5= TKKS compost + sub soil (250 g :3 kg). The second factor of N fertilizer dosage consists of three levels: n0 = 0 g urea/plant, n1= 2 g urea/plant, and n2= 4 g urea/plant. Parameters observed included plant height, stem diameter, plant dry weight, root dry weight, amount of chlorophyll in cocoa seedlings aged 21 WAP, media water content, and soil chemical properties. Data were analyzed using analysis of variance, then continued with the DNMRT test at the α level of 5%. The results of the research showed that there was a real interaction between the combination of EFB compost and nitrogen fertilizer in the sub-soil planting medium on plant height, seed stem diameter, shoot dry weight, root dry weight and amount of leaf chlorophyll, but the interaction was not significant on the water content of the planting medium. The highest height of cocoa seedlings was found in the k5n2 treatment at 40.43 cm, the largest seed stem diameter was obtained from k5n2 at 13.17 mm, the highest seed crown dry weight was obtained in the k5n2 treatment at 39.97 g, the highest root dry weight was obtained in the k5n2 treatment amounting to 28.37 g, the highest amount of leaf chlorophyll was produced from the k5n1 treatment at 36.90 μmol m-2, and the highest water content of the planting medium was produced from the k5n0 treatment at 41.77%. Based on research conducted, cocoa nurseries can use Ultisol sub-soil planting media treated with a combination of TKKS compost + sub-soil (250 g: 3 kg of soil) and 4 g of nitrogen fertilizer in polybag-1Key words: cocoa, EFB compost, nitrogen fertilizer, Ultisol sub soil
Aplikasi Asam Humat Untuk Mendukung Pertumbuhan Bibit Kopi Robusta (Coffea canephora) Pada Media Tanam Ultisol Rosimarsela, Rosimarsela; Nasamsir, Nasamsir; Hartawan, Rudi
Jurnal Media Pertanian Vol 11, No 1 (2026): April
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v11i1.317

Abstract

Coffee is one of the plantation commodities that plays a fairly important role in economic activities. One type is robusta coffee, which until now is the type of coffee that dominates coffee plantations in Indonesia. One of the planting media that can be used for robusta coffee nursery activities is ultisol soil. The problem of low fertility in ultisol soil can inhibit seedling growth. The addition of humic acid is needed to improve soil structure and fertility, and can help in the absorption of nutrients needed by plants. This study aims to obtain the best dose of humic acid to support the growth of robusta coffee seedlings in ultisol planting media. This study was carried out for 3 months starting from May - August 2024. This research was conducted on Jl. Rajawali, Kenali Besar, Kec. Kota Baru, Jambi City. The environmental design used in this study was a Completely Randomized Design (CRD) with one treatment factor, namely humic acid (g polybag-1) consisting of 6 different treatments, namely a0 (control), a1 (5 g), a2 (10 g), a3 (15 g), a4 (20 g), a5 (25 g). Each treatment was repeated 4 times, so that 24 experimental units were obtained. Each experimental unit consisted of 4 plants consisting of 3 sample plants and 1 reserve plant, so that the total was 96 plants. The results showed that humic acid treatment had a significant effect on stem diameter, total leaf area, dry weight of the crown, dry weight of the roots, water content of the media, and the quality index of robusta coffee seedlings. However, this treatment had no significant effect on plant height and number of leaves of robusta coffee seedlings on ultisol planting media. The administration of humic acid in treatment a3 (15 g) can increase the growth of stem diameter by 5.16%, dry weight of the crown by 7.56%, dry weight of the roots by 21.05%, and seedling quality index by 6.57%, compared to without treatment (control).
Co-Authors Adilla Adistya Akbar, Alvan Zarano Alvin Alvin, Alvin Andriyani, Lizyanti Araz Meilin Daulay, Muhammad Ferdinan Iko Febryanti, Latipa Reza Hayata Hayata, Hayata Hayata, Hayata - Marwan, Edy Nata, Dheno Bagas Pangestu, Niko Ramadhani, Aleks Ridawati Marpaung Rosimarsela, Rosimarsela Rosita, Winda Rudi Hartawan Situmorang, Leonardo Tamoko Suhermanto, Heri Wati, Fitra Wa’di, Khairul Shadiqul Yulistiati Nengsih Yuza Defitri, Yuza