BLOCCO CUBO SPUGNA MEDIA SEMINA IDROPONICA UNA PICCOLA PIANTA Modello 3D

Descrizione

High-quality 3D assets at affordable prices — trusted by designers, engineers, and creators worldwide. Made with care to be versatile, accessible, and ready for your pipeline.

Included File Formats
This model is provided in 14 widely supported formats, ensuring maximum compatibility:
• - FBX (.fbx) – Standard format for most 3D software and pipelines
• - OBJ + MTL (.obj, .mtl) – Wavefront format, widely used and compatible
• - STL (.stl) – Exported mesh geometry; may be suitable for 3D printing with adjustments
• - STEP (.step, .stp) – CAD format using NURBS surfaces
• - IGES (.iges, .igs) – Common format for CAD/CAM and engineering workflows (NURBS)
• - SAT (.sat) – ACIS solid model format (NURBS)
• - DAE (.dae) – Collada format for 3D applications and animations
• - glTF (.glb) – Modern, lightweight format for web, AR, and real-time engines
• - 3DS (.3ds) – Legacy format with broad software support
• - 3ds Max (.max) – Provided for 3ds Max users
• - Blender (.blend) – Provided for Blender users
• - SketchUp (.skp) – Compatible with all SketchUp versions
• - AutoCAD (.dwg) – Suitable for technical and architectural workflows
• - Rhino (.3dm) – Provided for Rhino users

Model Info
• - All files are checked and tested for integrity and correct content
• - Geometry uses real-world scale; model resolution varies depending on the product (high or low poly)
• • - Scene setup and mesh structure may vary depending on model complexity
• - Rendered using Luxion KeyShot
• - Affordable price with professional detailing

Buy with confidence. Quality and compatibility guaranteed.
If you have any questions about the file formats, feel free to send us a message — we're happy to assist you!

Sincerely,
SURF3D
Trusted source for professional and affordable 3D models.

More Information About 3D Model :
The item described, often formally termed a **Hydroponic Seedling Starter Plug Unit**, is a standardized composite module utilized in controlled environment agriculture (CEA) for the propagation and initial development of horticultural crops. This unit consists of a nascent plant (seedling) rooted within a specialized, dimensionally stable, inert growth substrate, typically referred to as a grow cube or starter block.

### I. Substrate Composition and Nomenclature

The designation "CUBIC CUBE BLOCK SPONGE MEDIUM" refers to the specific form and material utilized for root support. This medium is engineered to replace traditional soil in soilless culture systems, providing mechanical anchorage while regulating the air and water supply to the emerging root system.

**Common Material Types:**

1. **Phenolic Foam (Oasis Type):** A hydrophilic polymer foam characterized by fine, uniform cell structure and a neutral pH following conditioning. It offers exceptional water retention capacity (WHC) while maintaining sufficient porosity for gas exchange.
2. **Polyurethane (PU) Foam:** Specialized reticulated or non-reticulated forms of polyurethane, designed for durability, sterilization, and minimal chemical reactivity with nutrient solutions.
3. **Mineral Wool (Rockwool/Stonewool):** Though technically fibrous rather than spongiform, highly compressed rockwool blocks are often categorized functionally with sponge media due to their high WHC and inert nature.

These materials are selected based on their non-toxic, chemically inert properties, ensuring that the substrate does not leach harmful compounds or significantly alter the pH or electrical conductivity (EC) of the nutrient solution delivered during the germination and early growth phases.

### II. Physical Characteristics and Geometry

The **cubic block** morphology is a critical design feature facilitating efficient high-density cultivation and automated handling. Standard dimensions commonly range from 2.5 cm (1 inch) to 4 cm (1.5 inches) per side, allowing for snug fitting into propagation trays or net pots used in various hydroponic channels.

* **Structure:** The sponge medium exhibits high porosity (typically exceeding 90% void space) to balance capillary action (water retention) and gravity drainage (aeration). Optimal root development necessitates an air-to-water ratio that prevents hypoxia while supplying adequate moisture.
* **Density:** The low bulk density of the media minimizes weight while maintaining structural integrity sufficient to support the emerging seedling during handling and transplant shock.

A central pre-drilled aperture or indentation is incorporated into the block during manufacture. This ensures precise depth placement for direct seeding or the insertion of a germinated taproot.

### III. Biological Function and Application

The "HYDROPONIC SEEDLING A SMALL PLANT" element defines the biological stage and cultivation methodology.

**Propagation:** Seeds are sown directly into the moist, sterile cubic block. The medium provides the ideal microclimate—consistent temperature and humidity—for rapid and uniform germination. Unlike soil, which acts as a nutrient source, the inert cubic block relies entirely on external nutrient delivery.

**Root Development:** During the seedling phase, defined as the period between cotyledon expansion and the development of the first true leaves, the block provides crucial mechanical support. Roots penetrate the porous matrix, expanding their surface area. The high oxygen levels permitted by the medium prevent root rot (pythium) often associated with excessive saturation in non-sterile environments.

**Transplant Success:** A primary advantage of the cubic block unit is the minimization of transplant shock. Once the roots are fully established within the confines of the block, the entire unit can be seamlessly transferred into larger hydroponic systems—such as Nutrient Film Technique (NFT), Deep Water Culture (DWC), or ebb and flow systems—without damaging the delicate root hairs, leading to higher survival rates and faster integration into the production environment.

The use of these standardized, sterile blocks is fundamental to the operational efficiency and disease control protocols of modern commercial soilless farms.

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KEYWORDS: Hydroponics, Seedling, Starter Plug, Grow Cube, Phenolic Foam, Rockwool, Controlled Environment Agriculture, Rooting Medium, Substrate, Propagation, DWC, NFT, Soilless Culture, Germination, Porosity, Water Holding Capacity, Transplanting, Polyurethane, Inert Medium, CEA, Aeration, Nutrient Solution, Root Zone, Cubic Block, Horticulture, Propagation Tray, pH Neutral, Early Growth Stage, Root Anchorage, Sponge Media.