SEED CUM FERTILIZER DRILL CALIBRATION TEST RIG APPARATUS

A Seed-cum-Fertilizer Testing Rig is a valuable tool in agricultural research and equipment testing, offering several benefits for optimizing seed and fertilizer application.

  1. Precision in Application – The rig helps in evaluating the accuracy of seed and fertilizer placement, ensuring optimal spacing and depth for better crop growth.
  2. Improved Equipment Performance – Manufacturers use it to test and refine seed-cum-fertilizer drills, improving efficiency and minimizing wastage.
  3. Enhanced Crop Yield – Proper testing ensures that seeds and fertilizers are distributed evenly, leading to better germination and nutrient availability.
  4. Cost Savings – Reducing seed and fertilizer waste directly lowers input costs for farmers.
  5. Time Efficiency – By verifying equipment performance before field use, farmers can avoid operational delays and maximize productivity.
  6. Environmental Conservation – Testing helps optimize fertilizer use, reducing excessive application and preventing soil and water contamination.
  7. Adaptability Across Soil Types – It allows researchers to assess how different soil conditions affect seed and fertilizer distribution, enabling better equipment design.

FEATURES

It is necessary to test and determine the soundness of construction and field performance of seed-cum fertilizer drill so that uniformity of sowing is ensured by avoiding wastage of seeds.

Field tests are conducted for performance.

  1. Field operation
  2. Placement
  3. Power requirement for trailed/mounted
  4. Field efficiency
  5. Ease of operation
  6. Suitability and soundness of construction

Seed drill calibration apparatus is used for below Laboratory tests as per IS 6316.

  1. Metering Test- Calibration and seed damage determination
  2. Uniformity of seeding Test- Sticky Belt / Sand Bed method

CONCEPTUAL DESIGN

  1. Frame and Support Structure
    • A rigid steel or aluminum frame to hold all components securely.
    • Adjustable legs for stability and height control.
  2. Seed and Fertilizer Dispensing System
    • Variable-speed motorized seed metering unit to simulate actual field operations.
    • Fertilizer delivery system with multiple calibration options to adjust the dispensing rate.
  3. Soil Simulation Chamber
    • A controlled soil bed or soil bin to study interaction between seed/fertilizer and soil.
    • Adjustable soil conditions (moisture, compaction, texture) for realistic results.
  4. Measurement & Data Collection System
    • Load cells and sensors to track applied forces during seed placement.
    • High-speed cameras or image processing units to study seed pattern distribution.
    • Electronic weighing system for fertilizer measurement.
  5. Adjustable Seed Depth Mechanism
    • A system to alter the drill depth for analyzing its effect on germination.
  6. Roller or Conveyor System for Seed Collection
    • Helps retrieve and examine the accuracy of seed and fertilizer placement.
    • Can be automated for efficiency.
  7. Control Panel & Software Integration
    • A microcontroller-based monitoring system to adjust parameters and track real-time data.
    • User interface for calibration settings to improve precision.

 

TESHNICAL PARAMETERS

Electric Motor: 3 hp AC motor with reduction gear. The output shaft should be externally splined as per the standard design of propeller shaft.

Gear Ratio: 1:300

Output Speed: 10 to 300 rpm

Speed reduction: Electronically through control panel

Control Panel: 1.5-3 KW, 230 V, 1/3 Ph with digital keypad

Frame: Motor to be fitted on frame in such a way that it can be adjustable vertically

Slide support: Provision of side support on both sides to prevent turning

Propeller shaft: To be coupled with any seed drill

Overall size: 700 mm (L) × 900 mm (B) adjustable × 1500 mm (H) adjustable

Overall Frame: Box made of MS angle of 40 × 40 × 5 mm