幼小的小植物 农作物 树木 幼苗 种子 NFT 管 3D 模型

幼小的小植物 农作物 树木 幼苗 种子 NFT 管 3D 模型 3dm, 3ds, blend, dae, dwg, fbx, glb, iges, max, obj, sat, skp, step, stl, 从 surf3d

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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

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More Information About 3D Model :
**YOUNG SMALL PLANTS CROPS TREES PLANTLET SEEDLINGS SEED NFT TUBES**

This title defines an advanced methodology utilized within Controlled Environment Agriculture (CEA) and high-density propagation systems, focusing on the initial developmental stages of various flora, including agricultural crops, ornamental species, and forestry subjects. The core characteristic of this system is the integration of highly juvenile biological material (seeds, seedlings, and plantlets) with the Nutrient Film Technique (NFT) housed within specialized tubular or channel infrastructure. This combination facilitates precise resource management, accelerated growth, and enhanced uniformity critical for commercial scale-up and scientific research.

### Biological Material: Juvenile Stages

The biological subjects handled by this system represent the earliest growth phases, requiring delicate handling and optimized environmental conditions.

1. **Seeds and Seedlings:** Young sporophytes developing from germinated seeds, particularly those destined for transplanting or rapid cultivation (e.g., leafy greens, herbs). NFT tubes allow for the maintenance of an ideal moisture-to-air ratio around the developing root radicle, accelerating establishment compared to traditional substrate methods.
2. **Plantlets and Young Small Plants:** Small plants derived from asexual propagation, often originating from tissue culture (*in vitro* propagation). These plantlets require a critical "hardening" phase (acclimatization) before introduction to the external environment. The NFT system in tube format provides a highly controlled, sterile environment ideal for this transition, minimizing stress and desiccation.
3. **Crops and Trees:** While many NFT applications focus on fast-growing annual crops (e.g., strawberries, peppers), the technique is also extensively adapted for the intensive early nursery development of high-value woody perennial species and trees. In these instances, the tubular systems are often designed to accommodate the initial taproot growth before the subjects are transferred to larger containers or field settings. The goal is maximizing root initiation and early biomass accumulation.

### Technological Implementation: NFT Tubes

The Nutrient Film Technique (NFT) is a form of recirculating hydroponics where plants are situated in channels or tubes, and their roots are suspended in a very shallow, continuous stream of nutrient solution—the "film."

**The Tube Infrastructure:** Specialized NFT tubes and channels are engineered specifically for small, young plants. They are typically narrow and shallow to ensure the roots remain within the nutrient film while simultaneously allowing ample space above the solution for oxygen exchange. Key features include:

* **Space Efficiency:** The tubular setup allows for dense stacking and vertical farming configurations, maximizing the number of plant sites per unit area.
* **Recirculation:** The solution is continuously pumped from a reservoir, flows past the roots, and returns for replenishment and pH/EC monitoring. This closed-loop system ensures exceptional water use efficiency (WUE).
* **Root Zone Optimization:** The design prevents waterlogging, which is detrimental to young root respiration, while ensuring constant access to dissolved minerals. The small volume of the tube ensures rapid environmental response times to adjustments in nutrient concentration (Electrical Conductivity, EC) or acidity (pH).

### Advantages in Propagation

The combination of juvenile plant material and the NFT tube system offers significant advantages in modern horticulture and forestry:

1. **Accelerated Growth Rate:** Precise, immediate delivery of optimized nutrients directly to the root zone bypasses the limitations of soil substrate, leading to reduced time in the propagation stage.
2. **Disease Management:** The soilless nature minimizes exposure to soilborne pathogens and reduces the necessity for chemical inputs, resulting in healthier, more uniform stock.
3. **Uniformity and Transplant Success:** Generating a highly uniform batch of seedlings or plantlets enhances subsequent automated handling and significantly improves transplant survival rates when the young stock is moved to larger systems or field sites.

The utilization of NFT tubes for young plant propagation represents a critical interface between sterile laboratory techniques (tissue culture) and efficient, high-throughput commercial cultivation.

KEYWORDS: Hydroponics, NFT, Nutrient Film Technique, Seedlings, Plantlets, Propagation, Controlled Environment Agriculture, CEA, Recirculating Systems, Tissue Culture, Hardening, Young Plants, Root Zone Optimization, Soilless Cultivation, High-Density Farming, Nursery Production, Woody Perennials, Crops, Trees, Vertical Farming, Root Respiration, Fertigation, Water Use Efficiency, Juvenile Stage, Commercial Horticulture, Automated Systems, Environmental Control, Germination, Channel Systems, Sporophyte.