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Seed Fertilization Control — Accurate Placement From the First Row to the Last
The AllyNav VF200 is a precision seeding and fertilization control system that uses RTK GNSS technology to measure tractor speed and adjust motor output in real time — ensuring accurate seed and fertilizer placement across every pass without the inconsistencies caused by terrain or wheel slip that affect traditional mechanical seeders.
VF200 Seeding and Fertilisation Control System
Row Spacing Accuracy Down to ±1.5 cm
The VF200 uses precise servo motor control with a speed error below 0.6 rpm to deliver row spacing accuracy of ±1.5 cm, keeping seedling error at or below 1.5% per hectare. The system begins operating at seeder speeds as low as 0.4 km/h, reducing headland distance and maximizing the productive area covered on every run.
Individual Row Control and Automatic Section Management
Each seeding unit operates independently, allowing skip seeding and reduced seeding density in specific rows — with support for up to 20 motors. Multi-row automatic section control adjusts each drive motor according to live seeding operations, automatically starting and stopping in reseeding areas to eliminate overlaps and reduce seed waste across the full field.
Integrated Control, Fewer Inputs Wasted
When paired with AllyNav navigation system components, the VF200 saves 10–15% on seeds and fertilizers while increasing yields by 5%. Fertilizer rates and plant spacing are adjustable with one-touch cabin control, and the auto start/stop function automatically stops the seeder when raised and restarts when lowered — removing the need for manual intervention at every headland turn.
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Frequently Asked Questions
How does row-by-row control improve seeding accuracy?
Row-by-row control allows each seeding unit to operate independently, enabling the system to stop or adjust specific rows in real time. This reduces overlap, prevents over-seeding in narrow or irregular field zones, and helps lower seed usage without compromising emergence rates—especially useful in fields with complex layouts.
What role does GNSS-based speed sensing play in precision seeding?
GNSS speed sensing replaces traditional wheel-based speed measurement, which can be affected by slippage or uneven ground. By using satellite data, precision seeding machines maintain consistent seed spacing even at variable speeds, improving placement accuracy and supporting better crop uniformity.
Can precision seeding systems adapt to changing soil or crop types?
Yes. Advanced systems like AllyNav’s support variable seed density, adjustable planting depth, and customizable motor settings. This flexibility enables farmers to adapt quickly between crops, field conditions, or seasons, making precision seeding effective across diverse farming scenarios.
What makes AllyNav’s VF200 different from other seeding control systems?
AllyNav’s VF200 integrates GNSS navigation, real-time monitoring, and intelligent section control into one compact system. It supports speeds as low as 0.4 km/h, ±1.5 cm accuracy, multi-row automation, and on-screen dual-control of navigation and seeding. With reduced maintenance points and high component durability (IP67-rated), it’s designed for easy installation, long-term field use, and scalable farm integration.
