CHANNEL NFT GROW RACK PVC SETUP TANAMAN PERTANIAN HIDROPONIK TANPA TANAH Model 3D

CHANNEL NFT GROW RACK PVC SETUP TANAMAN PERTANIAN HIDROPONIK TANPA TANAH Model 3D 3dm, 3ds, blend, dae, dwg, fbx, glb, iges, max, obj, sat, skp, step, stl, Dari surf3d

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More Information About 3D Model :
**CHANNEL NFT GROW RACK PVC SETUP SOIL-LESS HYDROPONIC FARM PLANT**

A Nutrient Film Technique (NFT) growing system utilizing Polyvinyl Chloride (PVC) channels and racking constitutes a sophisticated, soil-less horticultural apparatus employed globally in Controlled Environment Agriculture (CEA). This setup is specifically designed to optimize plant growth by delivering a precisely controlled, recirculating nutrient solution directly to the root zone, maximizing resource efficiency and yield density.

### I. Technological Foundation: Nutrient Film Technique (NFT)

The NFT methodology is predicated upon the continuous circulation of a very shallow stream (typically 1–3 millimeters deep) of nutrient-rich water over the exposed roots of the crops. Unlike Deep Water Culture (DWC) or aggregate culture systems, the NFT structure minimizes contact between the roots and the solution volume, ensuring that the upper portion of the root mass remains moist but suspended in air. This dual environment facilitates optimal gas exchange, preventing anoxia (oxygen deprivation) which can hinder nutrient uptake and compromise root health. The system requires no soil or solid growing media other than a small, inert starter plug (e.g., rockwool or coconut coir) used for seedling establishment.

### II. Structural Composition and Materials

The physical integrity and operational success of this system are primarily derived from the use of PVC components.

**A. PVC Channels (Troughs):**
The channels, or gullies, are typically constructed from food-grade or structural-grade PVC profiles, either rectangular or modified square tubing. PVC is selected for its characteristics: chemical inertness, high durability, light impermeability (crucial for preventing algal growth in the nutrient solution), ease of sterilization, and resistance to corrosion from mineral salts. These channels house the plants, with holes cut at predetermined spacings to accommodate net pots or direct root insertion points.

**B. Grow Rack and Slope:**
The PVC channels are supported by a rack system, often modular and multi-tiered (vertical farming configuration) to maximize the Growing Area Ratio (GAR). The rack is engineered to maintain a precise gravitational slope, generally ranging from 1:30 (3.3%) to 1:100 (1%) gradient. This slope is critical; it ensures that the nutrient solution flows consistently from the high-input end to the low-output end, where it drains back into the central reservoir via a collection manifold.

### III. Operational Dynamics

The PVC NFT setup operates as a closed-loop system managed by automated inputs.

**A. Nutrient Delivery and Circulation:**
A submersible pump, located within the primary nutrient reservoir, pushes the solution to the highest point of the rack assembly. The solution then flows by gravity through the channels, bathing the roots, before being collected and returned to the reservoir. Maintaining the correct flow rate is paramount—typically 0.5 to 1.5 liters per minute per channel—to ensure adequate film depth and prevent root scorching or inadequate nutrient delivery.

**B. Solution Management:**
As the system is soil-less, the nutritional environment is entirely controlled by the operator. Continuous monitoring of the nutrient solution’s characteristics is essential:
1. **Electrical Conductivity (EC):** Measures the concentration of dissolved mineral salts (nutrients).
2. **Potential Hydrogen (pH):** Must be maintained within an optimal range (typically 5.5 to 6.5) to ensure nutrient bioavailability to the roots.
3. **Temperature:** The solution temperature is typically regulated (ideally 18°C–24°C) to inhibit pathogen growth and optimize oxygen saturation.

### IV. Applications and Advantages

PVC NFT systems are widely favored for the cultivation of short-term, rapid-turnover crops, particularly shallow-rooted produce such as lettuces (e.g., butterhead, romaine), culinary herbs (e.g., basil, mint), and small fruiting plants (e.g., strawberries).

The primary advantages include: enhanced water use efficiency (up to 90% savings compared to traditional field agriculture), precise control over the root environment, maximized space utilization through vertical stacking, reduced labor requirements for weeding and harvesting, and the near-elimination of soil-borne diseases and pests.

KEYWORDS: Hydroponics, Nutrient Film Technique (NFT), PVC Farming, Soil-less Culture, Controlled Environment Agriculture (CEA), Vertical Farming, Grow Rack, Recirculating System, Nutrient Solution, Polyvinyl Chloride, Closed-Loop System, Aeration, Plant Cultivation, Water Efficiency, Channel System, Horticulture, Crop Yield Optimization, EC Monitoring, pH Control, Submersible Pump, Greenhouse Technology, Inert Media, Root Zone Oxygenation, Drainage Slope, Commercial Hydroponics, Agricultural Engineering, Resource Management, Indoor Farming, Soilless Medium, Lettuce Production.