The FSTP Open Call

The Financial Support to Third Parties (FSTP) initiative within I3-4 Biofertilizers aims to overcome financial and technical barriers faced by small and medium-sized enterprises (SMEs) in adopting biofertilizers and implementing circular and sustainable agrifood practices. 

The I3-4 Biofertilizers FSTP provides cascade funding to SMEs across Greece, Italy, France, Belgian Luxembourg, Spain, Portugal, Belgium and Hungary. Each SME receives a financial voucher of max €60,000 to develop feasibility studies, investment plans, and go-to-market strategies, complemented by comprehensive technical and advisory support. 

This support includes access to mentors, expert networks, pilot testing infrastructures, and decision-support systems, enabling SMEs to innovate and scale their sustainable agriculture solutions effectively. 

The ultimate goal is to enhance the interregional value chain of biofertilizers and promote a resilient, circular bioeconomy in the European agricultural sector.

Submission & evaluation process

The Financial Support to Third Parties (FSTP) Open Call  has been successfully completed.

The submission phase ran from 1 September to 28 November 2025 (extended deadline), followed by an evaluation period from December 2025 to mid-February 2026. Proposals were assessed based on eligibility and predefined evaluation criteria. All applicants were informed of the results at the end of the evaluation process.

Applicants were asked to look and fill-in the following documents:

Call structure

This call is divided into two application strands:

  • Strand 1 – Tools and services to support the deployment of biofertilizers to support investment cases (IC) of the project.
  • Strand 2 – Open Innovation and scale up of new innovative biofertilizers.

Strand 1 — Tools and services to support the deployment of biofertilizers (supporting the project Investment Cases)

Strand 1 – Tools and services to support the deployment of biofertilizers to support ICs

IC #1: Soil and nutrient management using organic fertilizers from chicken manure. Boosts soil health and crop yields sustainably with chicken manure-based fertilizers. Geographical Areas: Região Centro and Região do Alentejo (Portugal). Maximum Grant Amount: €60,000

IC#1: Analysis of market demand for organic fertilizers from chicken manure and creation of a brand. Building a sustainable fertilizer brand through market insight and eco-friendly innovation. Geographical Areas: Região Centro and Região do Alentejo (Portugal). Maximum Grant Amount: €60,000

IC #3: Mapping by-products and waste. Development of a geo-localized map of organic waste and by-products to support biofertilizer production and cost analysis. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €50,000

IC#3: Struvite testing with Compost + Biochar. Formulation of a biofertilizer by mixing struvite (a phosphorus-rich by-product of wastewater treatment) with compost and biochar. Geographical Areas: Emilia-Romagna (Italy). Maximum Grant Amount: €60,000

IC #3: Biostimulant Production from Compost. Production of liquid biostimulants using compost and biochar, enriched with elements such as amino acids, aimed at creating a nutrient-rich product for sustainable agriculture. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €60,000

IC #3: Compost + Biochar Mix Development. Supports suppliers in the formulation and initial testing of biochar-based fertilizers. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €60,000

IC #4: Measuring the effect of biofertilizers on Climate Change. Greenhouse trials using organic-origin components to evaluate their effects under conditions like drought, salinity, or extreme temperature. Geographical Area: Catalunya (Spain). Maximum Grant Amount: €40,000

IC #4: Field trials of biofertilizers adapted to specific crops. Trials focusing on fruit trees, vineyards, and olive trees to test the effectiveness and adaptability of tailored biostimulant formulations. Geographical Area: Catalunya (Spain). Maximum Grant Amount: €55,000

IC #6: Imaging the impact of a biostimulant. Imaging various crops in the field post-application of a biostimulant to observe visible effects. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €15,000

IC #6: Temporal monitoring by spectral imaging of foliar development after application of a biostimulant. Monitors the quantity and quality of foliar development in early stages, comparing treated versus untreated plants. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €25,000

IC #6: Cross-Environmental Impact Studies. Evaluates biostimulant-driven changes in key sustainability metrics like soil, water, biodiversity, and fertility. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €20,000

IC #6: Lifecycle Assessment of Biostimulant Applications. Analysis of carbon sequestration dynamics and the monetization potential of biostimulant applications in agriculture. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €15,000

IC #6: Fertilizer Impregnation Analysis. Assesses the prolonged release and assimilation effects of coated (urea-type) biofertilizers in field conditions. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €10,000

IC #6: Agronomic tests on vines (thermal/hydric stress). Evaluates the effects of biostimulants on grapevines to improve resistance to heat and water stress. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €5,500

IC #6: Agronomic tests on vines (nutrient recovery). Assesses how biostimulants affect post-harvest recovery of carbohydrate and mineral nutrient reserves in grapevines. Geographical Areas: Any of the eligible regions. Maximum Grant Amount: €5,500

IC #7: Evaluation of a Bacterial Biostimulant on Yield and Soil Fertility in Exotic Crops. Sustainable crop growth through microbial biostimulants and smarter nitrogen use. Geographical Areas: French Guiana, Guadeloupe, Martinique, Mayotte, Reunion Island, and Saint-Martin (France). Maximum Grant Amount: €60,000

If you need further informations on Strand 1, check out this additional document on the project’s Investment Cases: 

Further details on Investment Cases – Description of activities

Strand 2 — Open Innovation: Development and scale-up of innovative biofertilizers

Strand 2 – Open Innovation: Development of new products and scale up of new innovative biofertilizers

This strand aims to scale up innovative biofertilizers initiatives (TRL 6 – 8). It supports projects within these innovative product and solutions areas, categorized into the four scopes outlined below:

1) Scale-Up of Production: Development of strategies to increase production capacity while ensuring product quality and consistency is maintained. Regions for Implementation: All eligible regions. Maximum Grant Amount: €60,000 (up to €120,000 for collaborative projects)

2) Innovative Formulants and Formulation Processes: Investigation of new formulation methods aimed at improving the efficacy and application of biofertilizers. This includes techniques such as seed treatment and the development of different physical forms (e.g., granular, pellets, crystals, powder). Regions for Implementation: All eligible regions. Maximum Grant Amount: €60,000 (up to €120,000 for collaborative projects)

3) Evaluation of Products: Assessment of product effectiveness under greenhouse or field conditions, including the characterization of their mode of action and analysis of variability sources. Regions for Implementation: All eligible regions. Maximum Grant Amount: €60,000 (up to €120,000 for collaborative projects)

4) Service-Related Projects: Support product deployment through the development of complementary services. These may include the creation of specific spraying tools, decision-making tools, training programs, or communication strategies. Regions for Implementation: All eligible regions. Maximum Grant Amount: €60,000 (up to €120,000 for collaborative projects)”

How to apply

  1. Read the Open Call Guidelines (PDF) carefully.
  2. Download and complete the SME Declaration & Application Form (Word).
  3. Submit the completed application package by email in accordance with the instructions in the Guidelines.

Applications must be submitted in English and by the deadline: 14 November 2025, 17:00 CET.

For further enquiries, please contact: info@i3-4-biofertilizers.eu

Selected projects

The table below provides an overview of the SMEs selected for funding under the FSTP Open Call, highlighting the winning projects and their key characteristics.

Strand 1

Company: VAIMEE

AgoràWasteMap delivers a CEADS-ready, geo-localized mapping of regional organic waste and agri-food by-products to support the biofertilizer sector. Developed by VAIMEE Srl, the project uses the Milky Data Way framework to semantically harmonise heterogeneous datasets for circular bioeconomy planning. It provides a high-resolution spatial map and a logistical cost-feasibility analysis to identify optimal feedstock supply hotspots. The resulting interoperable tool enables regional stakeholders to validate investment cases and accelerate the uptake of sustainable, data-driven resource valorisation. This foundational service bridges the gap between waste availability and industrial biofertilizer production through advanced geospatial intelligence.

Company: AEIFORIA

“This project develops innovative compost-biochar mixes from digestates, wood chips and green waste via controlled pyrolysis at Agrienergia SpA’s Emilia-Romagna plant. It tests integration in digestion-composting cycles, assesses emission cuts and carbon storage, validates agronomic performance, and delivers replicable EU guidelines under I3-4-BIOFERTILIZERS Investment Case #3.”

Company: Tectum Garden SL

The BIOBOOST-MED project, led by Tectum Garden S.L., validates plant-based biostimulants to enhance the resilience of Mediterranean crops to drought and salinity. Through greenhouse trials with cucumber, zucchini, and eggplant, their impact on yield, quality, water-use efficiency, and stress tolerance will be assessed. The results will support regulatory authorisation and facilitate the adoption of sustainable solutions in horticulture. The project will contribute to more resilient and efficient production systems aligned with the ecological transition in Catalonia and the Mediterranean region.

BioFertiPROBE project is a targeted initiative to develop dedicated algorithms for foliar phenotyping, focusing on traits that reflect increased robustness to transient stresses during early growth stages. These traits include visual indicators of stress avoidance, resistance, or adaptive responses to nutrient imbalances (N, P, K) or hydric fluctuations. The project aims to extract and validate spectral and morphological features from leaf imagery, enabling precise monitoring of biostimulant effects across multiple crops. It supports the creation of a visual trait library for biofertilizer evaluation and contributes to the deployment of decision-support tools in field conditions.

Company: GIE AGRICANNE

This project aims at assessing the effect of biofertilizers on soil fertility and yields in tropical conditions, more specifically on sugarcane. The project will deliver field validation and economic assessment—exactly the “deployment” phase of a biofertiliser tool/service. It addresses the requirement to demonstrate real-use effects in crops, here sugarcane, and to support the sustainable agriculture and circular bioeconomy.

Company: COVIDES

Led by COVIDES SCCL, this project evaluates an innovative biologically based bio stimulant across vineyards, olive groves and peach orchards under real Mediterranean farming conditions. Field trials follow a randomized-block design at representative sites in Penedes to measure growth, nutrient use efficiency, yield and fruit quality. Complete analyses (soil, microbiome and plant physiology) will be performed to ensure robust and traceable results. The expected results are an increased knowledge and uptake of bio-based fertilization across Europe.

The project develops innovative granulated biofertilizers by combining compost and biochar from Agrienergia production, struvite, and other organic by-products into stable, uniform granules. It replaces synthetic coatings with a biodegradable natural binder (Bios), improving environmental sustainability and enabling controlled nutrient release. Granular form is key, ensuring better spreading efficiency, easier storage and handling, and more uniform field application, reducing product losses. It also allows slow and controlled nutrient release, enhancing plant uptake while minimizing leaching and emissions. Overall, the project supports the circular bioeconomy by upgrading organic residues into high-value fertilizers and strengthening innovation within the I3-4-BIOFERTILIZERS framework.

Company: CARBONDS

The CCS project aims to advance high-integrity carbon markets by supporting the certification of bio-fertilizers such as VERAGROW for measurable climate impact. Through rigorous life-cycle analysis (LCA), emissions are quantified from feedstock sourcing to soil application, ensuring verifiable reductions and carbon soil sequestration. Financial analysis evaluates revenue stability from premium carbon credits, input cost savings for farmers, and long-term soil productivity gains. Together, science-based validation and robust financial modeling position VERAGROW to issue high-integrity carbon credits that attract institutional climate finance.

Company: BioSyntex

DynaMIC aims to develop a new biostimulant by combining microalgae (Chlorella) with compostderived components, to improve yield, nutrient use efficiency and tolerance to abiotic stress. The project also includes agronomic validation and preparation for the regulatory/commercialisation pathway. In parallel, it will assess the technical and economic feasibility of integrating microalgae production with composting/biogas plants within a circular-economy approach. The project is structured into four WPs: project management, formulation/stability development, field efficacy trials and an industrial integration feasibility study.

Company: GreenBack

ISBH project aims to evaluate the impact of biostimulants on soil functions and resilience by comparing two pools of plots: with and without biostimulants applications. It quantifies differences in soil functioning — particularly in biodiversity, carbon sequestration, water retention and pollution reduction — and combine these indicators into a universal soil health score (0–10) using the Genesis methodology (field sampling, satellite imagery, and advanced data science). By generating robust and transparent data through this diagnostic framework, the project strengthens market confidence and supports certification and regulatory alignment. It also fosters cross-stakeholder collaboration among farmers, biofertilizers providers and investors, accelerating the adoption of sustainable agricultural practices.

SALIONA is a 12-month innovation project led by Mild Horizon LDA (Portugal) to make poultry-manure biofertilizers safer, more predictable, and more efficient in Mediterranean soils affected by surface salinity. It treats poultry manure as a “biological probe” to learn how different soils respond under salinity and moisture stress. The project will build Soil Nutrition Fingerprints (SNF) combining nutrient dynamics, cyanobacterial activation, and salinity-moisture behaviour for representative local soils. These fingerprints will power SNF-Twin, a lightweight digital decision-support tool that recommends soil-specific manure dose, timing, and risk thresholds for farmers and cooperatives. Validated in real fields, SALIONA will deliver practical protocols and farmer-friendly guidelines to reduce salinity risk, improve soil health, and cut dependence on mineral fertilisers.

Strand 2

Companies: ALGOLESKO + ivamer

Algolesko, a leading French seaweed producer, generates large volumes of biomass, including 30% underutilized by-products. These residues, rich in bioactive compounds, o+er strong potential for high value-added applications. In partnership with Ivamer, a marine resource This process enables the production of sustainable, high-e+iciency agricultural biostimulants with near 100% yield. The project supports a circular, zero-waste approach while strengthening the seaweed industry in France and Europe

Company: Almabio

ALMABIO converts almond industry residues into a sustainable biostimulant that enhances crop resilience to climate stress by extracting and activating natural polyphenols. Its performance will be validated in berry crops under controlled greenhouse stress conditions, compared with conventional fertilization, while investigating its Mode of Action to understand how it mitigates abiotic stress.

Company: 4BlueTechis

4BlueTechis a Finland–Spain climate‑tech company pioneering patented microalgae‑based CO₂ capture through its ALOREACTOR platform. Selected as a Climate Exponential Leader 2025 by the Catalan Government and supported by a Microsoft innovation grant, the company is advancing breakthrough circular bioeconomy solutions. Within the ALOBIOFERT project, 4BlueTech applies its CO₂‑derived microalgal biomass to validate next‑generation biofertilizers with real agronomic and environmental impact. Combining deep scientific R&D with field‑ready innovation, 4BlueTech is accelerating the transition from carbon capture to climate‑positive agriculture.

The ANTIOXESSENCE project aims to develop and characterize a bio-stimulant to enhance the antioxidant properties of key Medicinal and Aromatic Plants (MAPs). It seeks to improve biomass performance and bioactive compound accumulation while elucidating its molecular and metabolomic mode of action. The goal is to generate optimized and standardized plant-derived ingredients with consistent antioxidant capacity for agronomic use, including applications such as bio-stimulants or biopesticides. The project is led by Biotech TRICOPHARMING Research, specializing in developing technologies for MAP improvement, in collaboration with SEQUENTIA Biotech, experts in multi-omics and bioinformatics.

Companies: MACC + INOFA + Christos Kampanis (SME)

BIOACTIVEWOOL will validate sheep-wool–based biofertilizers as a circular, low-impact alternative to conventional inputs. Agronomic performance, soil health impacts, and crop quality will be assessed through field and controlled trials. Application protocols will be optimized and benchmarked against standard fertilization practices. Pilot demonstrations in Crete and Central Macedonia will generate practical evidence for farmer uptake.

The results will support scalable, regionally produced biofertilizers that reduce waste and improve sustainability.

Company: ReGRAIN Beer

BREW-IN proposes to upcycle the liquid fraction of brewer’s spent grain (LFG) as a low-cost, biologically derived cultivation medium to produce plant growth-promoting fungal inocula (endophytic fungi), which will be harvested and incorporated into organic fertilizers to create a next-generation microbial biofertilizer. The project directly advances circular bioeconomy goals by valorizing agri-food residues.

Company: CAMN + EFIKERT + UPCYCLINK

CircBioFert adapts marine hydrolysates derived from regional fishery co-products for incorporation into existing organic fertilisers manufactured in Pays de la Loire. Bulk composts for market gardening and granulated blends for viticulture are the two target formats. UPCYCLINK calibrates hydrolysate production to fertiliser-grade specifications suited to industrial use. EKIFERT validates just-in-time addition in bulk matrices and integration within the existing granulation heat process. Over twelve months, CAMN coordinates on-farm validation across its cooperative network. The project targets a production cost compatible with standard farm budgets.

Company: Agrofutura

CompGran projects targets the evaluate the effectiveness of the Humusline Humuscompost Top biofertilizer product family. MakroTop and MikroTop are full biology matrix, 1-4 mm granulated compost products. We want to provide high-end quality organic inputs for farmers that can compete artificial fertilizers. We do comprehensive tests in wheat, corn, sunflower, tomato and paprika in organic and conventional farming. Big emphasis is put on dissemination and marketing.

Company: Vellsam

The FERTILIGN project converts agricultural residues into high-quality lignin using sustainable processes and innovative solvents, producing natural bio-stimulants and advanced fertilizers. By replacing synthetic inputs, it promotes a circular, profitable, and eco-friendly agriculture that boosts crop productivity while reducing environmental impact.

Company: Planet Biotech

GoNDAVANT is a project led by PLANeT Biotech to accelerate the market readiness of NDAVANT®, a novel biostimulant to enhance crop resilience under abiotic stress. Through interregional trials in Catalonia and Andalusia, the project will demonstrate its effectiveness in improving yield, water-use efficiency, and sustainability in horticultural crops. GoNDAVANT will contribute to strengthening a climate-resilient and sustainable European bioeconomy.

MoA-dual-NUE is a collaborative project by EuroGreen Technology and Cà Colonna to validate and quantify the mode of action and nutrient use efficiency of a next-generation liquid biofertilizer/biostimulant under real farming conditions. The innovation combines a 100% water-soluble chitosan base with a tailored algae extract. The project will deliver an industrially scalable recipe and agronomic guidelines ready for European market launch.

Company: IF TECH

MYCOLEG project aims to develop scalable mycorrhizal solutions through inoculated legume cover crop seeds. By coating seeds with selected mycorrhizal strains, we enable the natural multiplication of beneficial soil microorganisms directly in the field. This strengthens soil biology and enhances the performance of subsequent crops, particularly annual crops. Our ready-to-sow seeds integrate seamlessly into existing farming systems and can even be deployed by drones under crop canopy. A simple, efficient, and scalable solution for regenerative agriculture.

Company: AllMicroalgae

SPROUT advances Allmicroalgae’s proven heterotrophic Chlorella-based biofertilizer (Allfertis™) into a next-generation liquid formulation that enhances stability and ease of application. Building on established industrial production and market validation, the project optimizes formulation performance and shelf stability to meet farmer needs while reducing downstream processing, costs and environmental impact. Performance validation in selected crops will support rapid deployment at TRL 8 and accelerate market uptake. Implemented with strong local partners and supported by established international client networks, SPROUT delivers a competitive, locally produced solution that reinforces sustainable EU bio-based value chains.

Company: NEOBIOSYS + PROTEOY

The Y-FERT project aims to develop a yeast-based bio-production system for protein-based biofertilizers. Using ProteoY’s proprietary mother clone technology, the project will engineer and characterize yeast strains capable of producing plant-beneficial proteins. The full bioprocess will be validated and optimized to ensure reproducibility and scalable production. NeoBioSys will help identify and characterize the most appropriate scale-up strategies and define the technical parameters required for automation of the production process. Y-FERT supports sustainable agriculture by reducing dependence on chemical fertilizers and strengthening the European circular bioeconomy.

Non-selected Projects

List of applicants that were not selected for FSTP.
Project TitleProject Leader
Project #1Leader #1
Project #2Leader #2

For further enquiries, please contact: info@i3-4-biofertilizers.eu

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