Our expertise is deep and varied because we built Agrii by combining specialised companies over the last 30 years

Let's find out more about how Agrii helps with more about sustainable farming and the production of safe, affordable and healthy food

Seed Rate Calculator

Seeds

Calculate the amount of seed to order (tonnes) for a field or cropping area, or the theoretical plant population before doing an actual plant count.

Your Data

Target Population

plants/m²

Thousand Grain Weight

g/1000 seeds

Germination

%

Field losses

%

Crop area

Ha

Results

Sowing rate

-
Kg/Ha

Seed tonnage needed

-
Tonnes

Seeds sown

-
seeds/m²
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Find a Specialist

We’re here to help your business ambitions. If you have a query about our products, services or see how we could work together, we’d love to hear from you.

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Agrii Card Seed Calculators

Seed Rate Calculator

Use the Agrii Seed Rate Calculator to help you plan your seed requirements and establishment goals. Download instant results to your computer. 

Calculate
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Working at Agrii

There are many opportunities at Agrii but how do you know which might be right for you? We'll help you through. Includes Q&A's from people already working for Agrii.

Careers
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Who We Are

We are a leading provider of agronomy services, technology and strategic advice and provide farmers across the UK with unrivalled expertise and support. 

Discover
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Events

Knowledge exchange is central to what we do, which is why we run events throughout the year for farming businesses. Find out what's coming up.

Events
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Agronomy

We are the UK’s leading agronomy company, with more than 300 BASIS-trained consultants offering independent advice to arable growers

Agronomy
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Tramlines Podcast

Our very own podcast, telling stories and giving updates straight from the field. Listen in as your host, Tony Smith, examines farm life and business issues.

Tramlines Podcast
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Green Horizons

The need to farm sustainably has never been greater. We know what you need to do this and understand the challenges it brings. Green Horizons can help you.

Green Horizons