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Lamdo, Herfandi
Politeknik Negeri Lampung
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Comparative Effects of Trichoderma and EM4 in Aerobic–Anaerobic Tiered-Bucket Production on Liquid Organic Fertilizer and Compost Quality Ansyori, Ansyori; Lamdo, Herfandi; Anissa, Nabillah
Agro Bali : Agricultural Journal Vol 8, No 3 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i3.2540

Abstract

Organic waste is an abundant resource but remains underutilized as a safe and nutrient-rich organic fertilizer. This study aims to evaluate the effectiveness of Trichoderma as an alternative bioactivator to EM4 in improving the quality of liquid organic fertilizer (LOF) and compost through tiered bucket systems under aerobic (A2) and anaerobic (A1) conditions. A randomized complete block design was used with five Trichoderma doses (0; 15; 20; 25; 30 mL.L⁻¹) and EM4 (30 mL.L⁻¹) as a comparison. The liquid and solid fractions were analyzed for C, N, C/N ratio, P₂O₅, K₂O, and heavy metals (Pb, Cd, Cu) using standard methods. The data were analyzed through ANOVA and orthogonal contrast tests. Results showed that the aerobic system consistently reduced the C/N ratio, producing more mature and stable products, while the anaerobic system tended to retain higher C-organic content. These differences were statistically significant as the aerobic condition (A2) decreased the C/N ratio by 4.74 or 40.93% in liquid organic fertilizer and by 3.62 or 19.52% in compost compared to the anaerobic condition (A1), while total P₂O₅ in liquid organic fertilizer increased by about 14.81% under A2. Medium–high doses of Trichoderma (25–30 mL L⁻¹) in the aerobic system yielded the best quality in terms of maturity, whereas EM4 generally resulted in higher macro-nutrient contents (N, P₂O₅, K₂O). All heavy metal levels were far below the SNI/Ministry of Agriculture thresholds, indicating product safety. Practically, the A2–T3/T4 combination is recommended to produce mature, stable, and safe organic fertilizer, while co-inoculation strategies may be pursued to enhance nutrient content. This study confirms that Trichoderma primarily accelerates humification and stabilizes organic matter, offering a practical, low-cost option for household/community organic waste management within a circular-economy framework; accordingly, the aerobic bucket system with medium–high Trichoderma doses (A2–T3/T4) is recommended to achieve mature, stable LOF–compost. However, the findings are lab-scale and substrate-specific.
THE POTENTIAL OF TRICHODERMA BIOCONTROL AGENTS FOR INCREASING THE PRODUCTION OF SOYBEAN PLANTS RESISTANT TO SOYBEAN MOSAIC VIRUS Annisa’ Indah Setyawati; Herfandi Lamdo; Indah Hafidhotun Nisa
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.4077

Abstract

SMV infection at early growth stages can reduce crop productivity by 25.48% to 93.84%. Viral infections may reduce plant growth due to disruptions in physiological processes and photosynthetic output, hormonal imbalances, and decreased nutrient uptake, ultimately preventing the plant from growing optimally. The research was conducted at the Experimental Field and Basic Science Laboratory of the Faculty of Agricultural Technology, Satu Nusa Lampung University, as well as the Analysis Laboratory of Politeknik Negeri Lampung, from May to August 2025. The method used in this research was an experimental method. The study employed a Randomized Complete Block Design (RCBD) with the following treatments: T0 = Control, T1 = 10 ml Trichoderma solution, T2 = 20 ml Trichoderma solution, T3 = 30 ml Trichoderma solution, T4 = 40 ml Trichoderma solution,T5 = 50 ml Trichoderma solution per plant (with a spore concentration of 1 ml T. asperellum = 46.5 × 10² spores). Result Based on the study of the potential of Trichoderma asperellum in enhancing the resistance of soybean plants infected with SMV, it can be concluded that the 50 ml T. asperellum treatment showed the best results, with an incubation period of 18 days after inoculation (DAI), disease severity of 14%, and a plant resistance rating categorized as resistant to SMV. The highest yield increase was also recorded in the 50 ml Trichoderma treatment (T5), reaching 77.45%.
EFFECTIVENESS OF LIQUID ORGANIC FERTILIZER APPLICATION WITH TRICHODERMA BIOACTIVATOR ON ENHANCING GROWTH AND PRODUCTION OF SWEET CORN RESISTANT TO DOWNY MILDEW DISEASE Ansyori; Herfandi Lamdo
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.4142

Abstract

Sweet corn is an important food commodity after rice. The production of sweet corn in Indonesia is 8.31 tons per hectare, while its potential is 18–25 tons per hectare. Low sweet corn production is caused by excessive use of inorganic fertilizers and downy mildew disease attacks, which can reduce harvest yields by 50–100%. This study aims to determine the effectiveness of applying liquid organic fertilizer (LOF) made from organic waste with the bioactivator Trichoderma using a Tiered Bucket System to improve the growth and production of sweet corn, as well as its resistance to downy mildew disease. The study was conducted at the Experimental Garden of the Faculty of Agricultural Technology, Universitas Satu Nusa Lampung. The experiment used a two-factor completely randomized block design (CRBD). The first factor was LOF produced through anaerobic (A1) and aerobic (A2) fermentation using the Tiered Bucket System. The second factor was LOF fermentation treatments without bioactivator (T0); with Trichoderma bioactivator at 15 mL/L (T1), 20 mL/L (T2), 25 mL/L (T3), 30 mL/L (T4); and EM4 bioactivator at 30 mL/L (Em) as a comparison. Trichoderma at 30 mL/L (T4) consistently gave the best results in improving growth, production yield, chlorophyll content, and resistance to downy mildew disease in sweet corn plants. Treatment T4 produced the highest chlorophyll content and the lowest disease intensity, indicating healthier plants with better tolerance to biotic stress. Aerobic fermentation was more effective than anaerobic in improving LOF quality and bioactivator effectiveness. Although EM4 also showed benefits, it was less effective than Trichoderma, especially in suppressing downy mildew disease. The use of LOF with Trichoderma bioactivator and aerobic fermentation is highly recommended to sustainably improve sweet corn productivity and disease resistance.
RICE-HUSK BIOCHAR AND TRICHODERMA FORTIFICATION MODULATE THE CHEMICAL AND MICROBIOLOGICAL PROFILES OF ORGANIC-WASTE LIQUID FERTILIZER Ansyori; Herfandi Lamdo; Yanto
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 5 No. 9 (2026): AUGUST
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.21739746

Abstract

Liquid organic fertilizer (LOF) derived from mixed organic residues may promote nutrient circularity; however, its chemical quality and microbial viability depend on formulation and fermentation conditions. This study assessed the effects of rice-husk biochar and Trichoderma spp. fortification on LOF produced from banana peel, pineapple peel, rabbit urine, and molasses in a passively aerated stacked-bucket system. A randomized complete block design included four treatments with four replicates: unfortified LOF (P1), Trichoderma alone (P2), 1% w/v biochar (P3), and biochar plus Trichoderma (P4). Chemical variables were analyzed by ANOVA followed by Tukey's HSD test at 5%, whereas microbial and metal data were interpreted descriptively. Fortification did not affect pH (7.20–7.22). P3 had the highest organic C (0.58%) and C/N ratio (5.92), whereas P4 had the highest total N (0.12%), P (0.22%), and K (0.62%). P2 had the highest total fungal count (7.2 × 10⁵ CFU mL⁻¹) and recoverable Trichoderma population (6.5 × 10⁵ CFU mL⁻¹); corresponding values in P4 were 3.8 × 10⁵ and 3.5 × 10⁵ CFU mL⁻¹. Co-fortification improved macronutrient profiles but did not maximize Trichoderma recovery from the liquid fraction. Further optimization and plant-based efficacy testing are required.
Pemberdayaan Petani Lahan Berlereng melalui Konservasi Tanah-Air dan Biofertilizer Lokal di Pesawaran Ansyori Ansyori; Herfandi Lamdo; Yudiana Sari; Ali Marhen; A. Mutasol Mubin
Jurnal Masyarakat Madani Indonesia Vol. 5 No. 3 (2026): Agustus (In Progress)
Publisher : Alesha Media Digital

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59025/r1gse544

Abstract

Lahan pertanian berlereng di Kecamatan Way Ratai menghadapi risiko erosi, limpasan permukaan, penurunan bahan organik, dan ketergantungan tinggi pada input anorganik. Program ini dirancang untuk memperkuat kapasitas Kelompok Tani Sido Makmur melalui konservasi tanah-air, produksi biofertilizer berbasis sumber daya lokal, pengendalian mutu sederhana, pembukuan usaha tani, dan pemasaran kolektif. Pelaksanaan menggunakan Participatory Action Research yang mencakup sosialisasi, penilaian awal, pelatihan berbasis praktik, pembangunan dua demplot seluas 0,50 ha, pendampingan, serta evaluasi sebelum-sesudah pada 20 anggota dan 10 lahan adopter. Data menunjukkan skor pengetahuan meningkat dari 51,4 menjadi 84,3; 80% anggota mengadopsi sedikitnya dua teknik konservasi; dan 70% menjalankan pembukuan. Pada enam titik pengamatan, infiltrasi meningkat 29,0%, skor indikasi erosi menurun 42,9%, karbon organik tanah meningkat 12,5%, dan kapasitas tukar kation meningkat 6,2%. Lima batch kompos menghasilkan 940 kg dan empat batch pupuk organik cair menghasilkan 350 L dengan kelulusan mutu internal. Pada lima lahan cabai, produktivitas meningkat 14,8%, biaya pupuk menurun 13,9%, dan margin usaha meningkat 27,4%. Integrasi teknologi sederhana, pembelajaran kelompok, dan pencatatan berbasis data berpotensi memperkuat keberlanjutan usaha tani.
Co-Authors A. Mutasol Mubin Ali Marhen Annisa’ Indah Setyawati Ansyori, Ansyori Damsir, Damsir Diva Permata Insani Indah Hafidhotun Nisa Juanda Lianzah Nabillah Anissa Nisa, Indah Hafidhotun NUR HASANAH Olivia Cindowarni Rama Doni Sisca Fajriani Siska, Febriana Sudiarso Sudiarso Sudiarso, Sudiarso Yanto YANTO YANTO Yudiana Sari, Yudiana