# Assign Variable Rates in Zones (Ag Input Rates Distribution Tool)

{% embed url="<https://youtu.be/n50pPdFQF0U>" %}
GeoPard Ag Input Rates Distribution Tool (1 min video)
{% endembed %}

### Overview

The Variable Rate Distribution Tool simplifies prescription map creation for variable-rate applications in precision agriculture. It helps you distribute agricultural inputs across field zones based on productivity potential and build optimized plans for seeds, fertilizers, and other inputs.

### Purpose

This tool solves the challenge of setting the right rate for each zone. Instead of applying inputs uniformly, it helps farmers and agronomists allocate resources more efficiently while keeping target totals or averages on track.

### Core Features

* **Multiple Input Management**: Supports planning for multiple agricultural inputs at the same time, including seeds, fertilizers, and growth regulators
* **Flexible Distribution Methods**: Calculate based on target total amount or desired average application rate
* **Zone-Rate Relationship Controls**: Choose between normal distribution (higher rates in high-potential zones) or reverse distribution (lower rates in high-potential zones)
* **Smart Min/Max Constraints**: Apply minimum values only to lowest zones and maximum values only to highest zones
* **Real-Time Savings Calculation**: Compare variable rate plans against uniform application to quantify potential input and cost savings
* **Interactive Visualization**: View calculated rates and totals with visual histograms and data summaries

### Using the Tool

1. **Configure Field Zones**: The tool accommodates up to 10 different management zones
2. **Set Distribution Method**: Select either Total Amount or Average Value calculation approach
3. **Adjust Zone Differences**: Control rate differences between zones using percentage or absolute values
4. **Apply Constraints**: Set minimum and maximum rates if needed for agronomic or equipment limitations
5. **Review Visualization**: Examine the calculated rates, totals, and potential savings
6. **Adjust as Needed**: Fine-tune any values manually to meet specific requirements

### Technical Specifications

* **Supported Units**: kg/ha, seeds/ha, l/ha, kg/ac, l/ac, lb/ac, gal/ac and more
* **Calculation Methods**: Progressive distribution with linear increments (percentage or absolute)
* **Constraint Application**: Min/max values applied selectively to maintain distribution pattern
* **Saving Comparisons**: Against highest rate or custom-defined flat rate

### Applications

The Distribution Tool is particularly valuable for:

* Planting seed population planning across productivity zones
* Fertilizer prescription maps based on soil tests and yield goals
* Growth regulator applications in cereals with variable growth potential
* Fungicide applications with varying disease pressure risk
* Multi-input planning for complete variable rate strategies

By providing a visual interface for variable rate calculations, this tool helps bridge the gap between agronomic knowledge and practical field application, ensuring more efficient resource use and potentially higher returns on input investments.

Once you have specified all the details, click **Save** to save the Zones map with the applied rates.

Use the [Export / Download module](/geopard-tutorials/product-tour-web-app/export-download.md) to export a VRA map ready for machinery.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.geopard.tech/geopard-tutorials/product-tour-web-app/zones-maps-and-analytics/assign-variable-rates-in-zones-ag-input-rates-distribution-tool.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.