Soil is the foundation of every successful farm. Whether you’re an experienced farmer or just starting out, knowing your soil is key to boosting productivity.
At Southern Scientific, we’ve gathered important insights to help you make the most of your land.
These soil facts will help you make your most valuable asset work harder for you.
Table of Contents
#1 The Productivity Gap on Irish Farms
The productivity gap in Irish beef farming is massive. While the average beef farm produces 5.5 tons of dry matter (DM) per hectare, top performers are hitting 12.2 tons DM/ha.
This is a big deal. According to Teagasc, for every extra ton of dry matter per hectare, net profits can increase by up to €180 per hectare.
So, what’s their secret? It’s not luck or location. These farmers are leveraging soil tests, correcting pH, and applying nutrients based on data. They’re focusing on long-term soil health.
#2 Soil Biology: Living Workforce
Healthy soil is alive. There are billions of microbes, fungi, and earthworms working to break down organic material and recycle nutrients.
Did you know?
#3 Organic Matter: Hidden Wealth in Your Fields
Soil organic matter is vital in water retention, nutrient cycling, and microbial activity.
In Ireland, soils generally have 3–10% organic matter. Continuous tillage or poor management can reduce this over time.
#4 Compaction: Silent Yield Killer
Many Irish grasslands suffer from compaction due to machinery, livestock, and wet conditions.
Compaction reduces:
- Root penetration
- Water infiltration
- Oxygen levels for microbes
This all results in poor grass growth and nutrient uptake. Even moderate levels of soil compaction can reduce grassland output levels by 20%.
#5 Soil pH: Grass Growth Game-Changer
The ideal pH levels are ~6.3 for grassland and ~6.5 for tillage. Nearly half of Irish soils are below optimal pH.
When soil pH is too low, key nutrients become locked up, fertilisers underperform, and grass growth is affected.
Lime applications to reduce acidity can make a big difference for these soils. Applying 5 tons of lime per hectare to soil at pH 5.3 can increase grass production by 1.5 tons DM/ha.
#6 Nutrient Balancing: Phosphorus & Potassium
Phosphorus and Potassium are crucial soil nutrients.
- Phosphorous (P) supports strong root development and energy transfer in plants.
- Potassium (K) boosts disease resistance, water regulation, and overall plant strength.
#7 The Importance of Soil Testing
Only about 18% of Irish soil samples are adequate in all three core areas: pH, Phosphorus (P), and Potassium (K). That means 82% of fields are falling short.
The good news is that farmers have the power to fix this through soil testing. A basic soil test (from as cheap as €18) can give you the information you need to make better decisions, reduce costs, and increase productivity.
Teagasc recommends testing at least every 3–5 years. The returns on this small investment can be massive.
Soil Testing at Southern Scientific
Testing is the foundation of informed decision-making for farmers. At Southern Scientific Services, we offer tests that provide information on your soils:
✦ pH: Measuring the pH level is the first step in understanding the acidity or alkalinity of soil. This information is important for determining the suitability of your soil for specific crops and planning necessary pH adjustments.
✦ Nutrient Levels: Our soil testing services can determine the levels of essential nutrients like P and K. Knowing your soil’s nutrient levels is crucial for precise fertilisation, optimising nutrient use efficiency, and minimising waste.
✦ Organic Matter: The amount of organic matter in your soil is a key indicator of soil health. We can help you assess the organic matter content and recommend practices to enhance it.
✦ Cation Exchange Capacity (CEC): CEC testing allows you to understand your soil’s ability to retain and exchange essential nutrients. Soil CEC is vital for sustainable crop production.
Remember, every extra ton of grass and every bit of soil testing knowledge can transform your farm’s fortunes.
