Three-Bottom Mounted Moldboard Plow
Standard agricultural implement with 35 cm share width per bottom and adjustable depth wheel.
Agricultural Engineering / Moldboard Plow Specific Draft
FREE TO EXPLORELABORATORY 02 · AGRICULTURAL ENGINEERING
Moldboard Plow Draft Force & Specific Soil Resistance Calibration
Measure the horizontal draft force of a multi-bottom moldboard plow as a function of furrow cross-sectional area and evaluate specific soil resistance. Explore interactive farm machinery simulation, irrigation hydraulics, and agricultural engineering telemetry.
FARM MACHINERY · SOIL & WATER · POST-HARVEST · STRUCTURES
Your virtual agricultural engineering laboratory.
TOTAL PLOW DRAFT FORCE D—
FIELD & TEST CELL TELEMETRY
Ready to sample with Area A = 0.08 m².
Adjust Area A, then execute agricultural trial.
Agricultural engineering telemetry and biosystems states are evaluated rigorously using 64-bit IEEE 754 precision. Residuals reflect ordinary least-squares regression across successive observations. Continuous data structures support high-fidelity agricultural and environmental modeling.
Agricultural assumptions and boundary condition limits
Linear proportionality D = k_s·A holds strictly at constant operating speed; speed variations introduce quadratic dynamic errors. Evaluated at constant forward plowing speed of 5.5 km/h on settled clay loam. Specific soil draft k_s integrates soil cutting, lifting, inversion friction, and landside reaction.
Agricultural apparatus & field instrumentation sensors.
Three-Point Hitch Dynamometer Frame
Measures tri-axial hitch forces and moments between tractor lift arms and plow mast.
Digital Depth Gauge Profiler
Records continuous depth of plowing along the furrow wall.
Soil Core Sampling Cylinder
Extracts undisturbed volumetric core samples to determine field dry bulk density and moisture content.
Tractor Ground Speed Radar
Monitors forward travel velocity to ensure steady Gorjatschkin kinetic regime.
Electronic Data Logger
Synchronizes and records load cell signals at 50 Hz with anti-aliasing filtration.
FOLLOW THE METHOD
A reason behind every step.
Measure the horizontal draft force of a multi-bottom moldboard plow as a function of furrow cross-sectional area and evaluate specific soil resistance. Standardized parameter settings: 0.04, 0.06, 0.08, 0.1, 0.12, 0.14 m².
01
Plow Leveling & Alignment
Set tractor wheel tread to match furrow bottom width and adjust tractor three-point top link and leveling rod so the plow frame sits parallel to the ground in both lateral and longitudinal directions.
02
Baseline Soil Profiling
Sample soil moisture and bulk density at 5 cm depth increments across the test plot to verify uniform pre-tillage soil mechanical conditions.
03
Initial Depth Calibration
Set the gage wheel to initial shallow depth (d = 12 cm, A = 0.042 m²) and verify full furrow slice inversion without scouring failure.
04
Steady-State Draft Logging
Operate the tractor at constant 5.5 km/h over a 60-meter measuring strip, recording three-point hitch draft load cell channels continuously.
05
Depth Incrementation
Systematically lower the plow depth in five discrete steps from 12 cm to 28 cm, measuring furrow width and depth with the profiler for each run.
06
Specific Resistance Computation
Calculate furrow cross-sectional area A = width × depth, plot draft force versus area, and compute the slope representing specific soil resistance k_s.
YOUR NOTEBOOK · 0 OBSERVATIONS
Turn measurements into agricultural engineering insight.
Points are your recorded observations. The solid regression line validates Moldboard Plow Specific Draft mathematical scaling.
LINEAR REGRESSION FIT · y = mx + b
D = k_s · A = 48.5000 · A
| # | Furrow Cross-Sectional Area A (m²) | Total Plow Draft Force D (kN) | Furrow area A (m²) | Draft force D (kN) | Remove |
|---|
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