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Writer's pictureSeth Newell

The Dirt on Soil Organic Matter

Soil Organic Matter (SOM) is like the hidden hero in the world beneath our feet. It's a mix of decomposed plant and animal material, microbes, and other organic substances that work together to create a thriving soil ecosystem.


Now, why should you care? Well, SOM is the backbone of soil fertility. It improves soil structure, water retention, and nutrient availability. Think of it as the lifeblood for your turfgrass.


FAO infographic on soil organic matter and its role in healthy ecosystems

Here's the lowdown on how it affects your green carpet:

  1. Nutrient Buffet: SOM acts as a natural nutrient reservoir. It stores essential elements like nitrogen, phosphorus, and potassium, releasing them slowly over time. This means a sustained feast for your grass, leading to healthier and more vibrant turf.

  2. Water Wizardry: Good news for the thirsty turf! SOM enhances water retention. It's like a sponge, holding onto moisture and preventing it from evaporating too quickly. This ensures your grass stays hydrated, even during dry spells.

  3. Microbial Marvel: SOM is a bustling hub for microorganisms. These tiny helpers break down organic matter, creating a nutrient-rich environment. A happy microbial community translates to better disease resistance and overall soil health.

  4. Structure Support: Imagine SOM as the architectural engineer of your soil. It improves soil structure, preventing compaction and allowing roots to penetrate easily. This means a cozy home for your turf's root system to flourish.

For Newell Services LLC, understanding and managing SOM is a key part of our data-driven approach. We tailor treatments based on soil tests, ensuring your lawn gets the specific care it needs.


So, in the world of turfgrass and soil quality, Soil Organic Matter is the unsung hero, silently working to give you that lush, green carpet. Take care of it, and your lawn will thank you with every step!

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