Fertilizers & plant nutrition

Hydroponic & Soilless Nutrient Systems

In soilless production the nutrient solution is the root zone. There is no buffer, so recipe accuracy, EC and pH control, and drain analysis become daily operations rather than seasonal decisions. Recirculating systems add sodium accumulation and pathogen risk, which pull disinfection and drain-water strategy into the same procurement conversation.

Direct answer

Do we need to recirculate?

Where water is scarce or discharge regulated, yes. It requires drain analysis, sodium management and disinfection — all of which the RFQ prices explicitly. You do. Suppliers quote against your agronomist's recipe; where you have none, the technical evaluation includes a baseline recipe for your crop and water.

Availability and the ability to trade depend on the law of each origin, destination and transit country and on the relevant permits and approvals. SeedMatch Group is not a manufacturer, importer, exporter, seller or regulatory approver; requests are reviewed by our team before any commercial introduction. Each participant is responsible for the requirements of its own role under applicable law: suppliers for their products in the origin and destination countries, buyers for their own import permissions and due diligence. We do not guarantee any supplier's compliance. Participant responsibilities · Regulation & restricted items

Commercial applications

  • Rockwool, coir and perlite fruiting-vegetable production
  • NFT and DWC leafy-green systems
  • Vertical farming and controlled-environment agriculture
  • Propagation and young-plant raising

Who procures this

  • High-tech greenhouse operators
  • Vertical farming companies
  • Propagation and young-plant nurseries

Why it matters commercially

Yield consistency

A controlled root zone removes soil variability as a yield driver and makes results reproducible across bays.

Water and nutrient efficiency

Recirculation with drain analysis materially reduces water and nutrient discharge per kilogram produced.

Full traceability

Every litre applied is measured, which supports both agronomy and retailer audits.

What a complete RFQ specifies

Technical specification lines

Recipe
Target mmol/L per element by crop and stage, with drain targets
EC / pH control
Set points, tolerance bands and acid or base selection
Water source
Rain, well, desalinated or municipal, with full analysis
Recirculation
Sodium threshold, discharge policy and disinfection method (UV, heat, ozone)
Dosing
Stock-tank layout, injector accuracy and sensor calibration protocol

Typical project sizes

Starter glasshouse (0.5 – 2 ha)
30 – 120 t nutrients / year
Commercial glasshouse (5 – 20 ha)
300 – 1,200 t / year
Vertical farm
Recipe-driven supply with weekly call-off

Standards, registrations and certification

  • ISO 9001 supplier quality with lot certificates
  • GlobalG.A.P. water and input traceability
  • Local discharge and nitrate directive compliance
  • Sensor calibration and validation records

Frequently asked questions

Where water is scarce or discharge regulated, yes. It requires drain analysis, sodium management and disinfection — all of which the RFQ prices explicitly.

You do. Suppliers quote against your agronomist's recipe; where you have none, the technical evaluation includes a baseline recipe for your crop and water.

You describe the requirement once. SeedMatchGroup structures it into a technically complete RFQ, runs a confidential process with qualified manufacturers in several producing regions, and returns a like-for-like comparison of specification, compliance documentation, lead time and landed cost. Supplier identities are only disclosed when you decide to contract.

The manufacturer. The supply contract is concluded directly between the manufacturer and the buyer. SeedMatchGroup is not a party to it and gives no product warranty. Registration in the country of use, import permits and application decisions remain the buyer's responsibility — see the fertilizer regulations overview and the platform disclaimer.

A lot-level certificate of analysis, safety data sheet in the language of the destination, label artwork and claims, proof of manufacturing quality system, registration or notification status in the destination market, and packaging and stability data for the transport route being quoted.

Input programmes are frequently structured with trade finance, supplier credit or a seasonal working-capital facility rather than paid from cash flow. The financing conversation runs in parallel with the technical evaluation so payment terms are part of the comparison rather than an afterthought.

As a rule of thumb, direct international procurement starts to price better than regional distribution from roughly one full container upwards, or where the specification is technical enough that local availability dictates the programme instead of the agronomy.

More in plant nutrition

Legal notice · No warranty · Manufacturer–buyer contract

The contract is between the manufacturer and the buyer. SeedMatchGroup is not a party to it.

SeedMatchGroup is an independent, supplier-neutral sourcing and introduction service. We do not manufacture, formulate, blend, register, certify, store, transport, apply, import, export or sell any fertilizer, crop-protection product, biological, seed, equipment or other input. Every supply agreement, price, warranty, specification, certificate of analysis, registration, label and delivery obligation is concluded and performed directly between the manufacturer or supplier and the buyer.

SeedMatchGroup gives no warranty for any product, quotation or supplier. Claims about product defects, non-conforming consignments, rejected imports, residue exceedances, regulatory penalties, crop damage, delays or supplier insolvency are to be pursued against the contracting manufacturer or supplier under the supply contract. SeedMatchGroup's own liability — including what it never excludes — is set out in the Terms of Service. Nothing on this page is legal or regulatory advice; buyers must verify current requirements with the competent authority in each relevant jurisdiction.

הודעה משפטית: SeedMatchGroup היא שירות רכש ותיווך עצמאי בלבד. איננו מייצרים, מפעילים, רושמים, מאשרים, מייבאים או מוכרים דשנים, תכשירי הגנת הצומח, תשומות או ציוד. ההתקשרות המסחרית נכרתת במישרין בין היצרן/הספק לבין הקונה, והם בלבד אחראים לאיכות המוצר, לרישום ולעמידה ברגולציה, לאספקה, להובלה ולתוצאה החקלאית. SeedMatchGroup אינה נותנת אחריות למוצר, להצעה או לספק, ותביעות בגין המוצר יופנו לספק המתקשר על פי חוזה האספקה. חבותה של SeedMatchGroup עצמה, לרבות מה שאינו מוגבל לעולם, מפורטת בתנאי השימוש (באנגלית). אין באמור ייעוץ משפטי או רגולטורי.

How this guidance is produced

Supplier-neutral

We do not manufacture equipment and do not represent a fixed vendor list. Guidance reflects the project, not a catalogue.

Human-led review

Content is prepared and reviewed by sourcing specialists working on live commercial agriculture projects, supported by proprietary technology.

International scope

Practice drawn from greenhouse, CEA, irrigation, nursery, packing-house and processing projects across multiple climates and regulatory environments.

Confidential by default

Project details stay private. Nothing is published, listed or shared with suppliers without your approval.

Editorial approach and company background: About SeedMatch Group.

What to do next

Most organizations move through these four steps in order. Each one can be started independently, and nothing is shared with suppliers until you approve the scope.

Next step

Turn this into a live commercial project

Open one private brief. A sourcing specialist validates and organises the RFQ, manages outreach to suitable independent suppliers, and presents any responses through SeedMatch on a consistent technical and commercial basis. Response numbers and timing are not guaranteed.