Research

Eco Green, tested by independent researchers

Six field trials across barley, wheat and pepper, run by Ethiopian universities and research institutes — followed by the wider literature on liquid organics. Every figure links to the published paper.

Field trials of Eco Green

  1. Bread wheat

    6,200 kg/ha grain at 40 L/ha applied as a seed treatment

    Evaluation of Eco-Green Liquid Fertilizer Rate and Application Methods on Growth and Yield of Bread Wheat in Northeastern Ethiopia

    Birhanu Gebeyehu Abebaw · Bulletin of UASVM Cluj-Napoca, Agriculture, 2025

    Mekdela Amba University · Borena District, South Wollo

    • Rates of 0–40 L/ha and three application methods, three replications
    • Seed treatment beat foliar and soil application
    • Highest biomass 9,990 kg/ha at the same treatment
    Read the paper · doi:10.15835/buasvmcn-agr:2025.0015 ↗

  2. Food barley

    5.6 t/ha grain at 40 L/ha, with a 3,127% marginal rate of return

    Optimal Eco-Green Fertilizer Rate and Variety for the Production of Food Barley in Central Highlands of Ethiopia

    Emebet Zewdu Nbiret, Girma Megersa Geleta, Tesfahun Belay Mihrete · International Journal of Agronomy (Wiley), 2024

    Bahir Dar University · Salale University · Central highlands, 2022 rainy season

    • Net benefit of 241,768 ETB/ha
    • Every 1 ETB invested returned 31.3 ETB
    • Single location, one season — authors call for wider testing
    Read the paper · doi:10.1155/ioa/5983777 ↗

  3. Hot pepper

    18.19 t/ha total green pod yield with 125 L/ha plus 59 kg N/ha

    Effects of eco-green and inorganic nitrogen fertilizer rates on growth and green pod yield of hot pepper in Bahir Dar Zuria District

    Belay Ateka, Melkamu Alemayehu, Enyew Adgo, Fenta Assefa, Yigrem Mengist · Discover Sustainability (Springer Nature), 2024

    Bahir Dar University · Bahir Dar Zuria, Amhara

    • Marketable yield 17.98 t/ha
    • Net benefit of 318,517 ETB/ha, marginal rate of return 1,706%
    • Eco Green combined with reduced nitrogen, not replacing it
    Read the paper · doi:10.1007/s43621-024-00311-5 ↗

  4. Food barley

    Yield and every yield component rose significantly; optimum 60 L/ha

    Evaluation of Organic Liquid Fertilizer “ECO-GREEN” on the Yield and Yield Components of Food Barley at Sinana District

    Tilahun Chibsa Birru, Daniel Abageja · Science Journal of Analytical Chemistry, 2025

    Oromia Agricultural Research Institute · Sinana ARC · Sinana, Bale Zone — three sites, 2018/19

    • Six rates tested at three locations
    • No significant gain beyond 60 L/ha — more is not better
    Read the paper · doi:10.11648/j.sjac.20251301.12 ↗

  5. Malt barley

    4,220 kg/ha at 80 L/ha versus 1,592 kg/ha for the unfertilized control

    Evaluation of Organic Liquid Fertilizer “ECO-GREEN” on the Yield and Yield Component of Malt Barley

    Daniel Abegeja, Tilahun Chibsa, Mulugeta Eshetu · American Journal of Applied Chemistry, 2022

    Sinana ARC · Oromia Agricultural Research Institute · Sinana, Bale highlands — farmers’ fields

    • Singitan variety, six treatments, three replications, three sites
    • Every Eco Green rate (20–100 L/ha) differed significantly from the control
    Read the paper · doi:10.11648/j.ajac.20221004.11 ↗

  6. Bread wheat

    Eco Green improved bread wheat performance over the unfertilized control

    Evaluation of Green Farm plus Organic Liquid Fertilizer on Growth and Yield Performance of Bread wheat

    Bezabih Woldekiros · Modern Concepts & Developments in Agronomy, 2024

    Southern Agricultural Research Institute, Areka · Humbo and Boloso Sore, Wolaita

    • Compared Eco Green and a second product, Green Farm Plus, against a control
    • The paper’s own conclusion favors Green Farm Plus
    Read the paper · doi:10.31031/MCDA.2024.13.000824 ↗

Wider literature

6 publications · open links to DOI or publisher pages. For Eco Green field notes and market commentary, see Insights. Prefer it crop by crop? See results by crop.

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  • 2025Sustainability (MDPI)

    Physical and Chemical Properties Evaluation of Liquid Organic Fertilizers (LOFs) and Their Effects on Promoting Rice Growth

    Multiple authors · Peer-reviewed open access · MDPI

    Evaluates LOF quality indicators (pH, EC, nutrients, phytotoxicity) and plant-growth effects — relevant to how liquid organics deliver soluble nutrition under field conditions.

    Open publication →DOI 10.3390/su17073087
  • 2026Frontiers in Sustainability

    Liquid organic fertilizers in soilless cultivation: a systematic review of production, performance, challenges, and future prospects

    Systematic review authors · Frontiers · systematic review (>77 studies)

    Synthesizes LOF nutrient ranges, yield performance versus synthetics, and scale-up challenges (clogging, biofilm, variability) — useful context for commercial liquid-organic programs.

    Open publication →DOI 10.3389/frsus.2026.1775182
  • 2026Frontiers in Soil Science

    Nutrient composition and release patterns of selected organic materials: a guide for direct application and use in fertilizer formulations

    Research team, Sokoine University of Agriculture · Sokoine University of Agriculture (SUA), Tanzania

    Screenhouse fermentation trials at SUA quantifying NPK and Ca release from local organics — a regional reference for formulation science in African smallholder systems.

    Open publication →DOI 10.3389/fsoil.2026.1816869
  • 2026IOP Conference Series: Earth and Environmental Science

    Marine Fish Waste-Based Liquid Organic Fertilizer Enriched with Bacillus cereus Reduces NPK Fertilizer Requirements by 25% in Soybean Production

    Conference research team · IOP Publishing · Earth & Environmental Science

    Reports LOF + beneficial microbes supporting soybean growth while cutting inorganic NPK use by up to 25% without significant yield loss — evidence for input-efficiency pathways.

    Open publication →DOI 10.1088/1755-1315/1632/1/012070
  • 2026Scientific Reports (Nature Portfolio)

    Effects of long-term application of organic fertilizer from distillers’ grains on the soil microbiome

    Xu, H., Wei, Q., Jiang, Y. et al. · Nature Portfolio · multi-year field trial

    Five-year field evidence that organic fertilizer restructures bacterial/fungal communities and improves a bacteria-to-fungi soil health index — supporting biology-first fertility narratives.

    Open publication →DOI 10.1038/s41598-026-64660-z
  • 2024FAO Markets and Trade

    World Fertilizer Trends and Outlook

    Food and Agriculture Organization of the United Nations · FAO

    Authoritative FAO outlook on global fertilizer supply, demand, and trade — baseline for understanding price shocks and why resilient, local nutrient strategies matter for food systems.

    Open publication →