4/30/18: What is Soil Health?

What is soil health?  Sometimes referred to as soil quality, there’s a lot of buzz around keeping soil healthy and productive.  But what does soil health really mean, and how can you maintain it on your farm?

Soil health can be defined as the continued capacity of soil to function as a vital living ecosystem that sustains plants, animals and humans.  In other words, soil health means sustainable productivity.  Soil quality determines how well a soil will perform.   With soil being the base of how crops are grown, a healthier soil means:

  • Increased yield
  • Nutrient cycling
  • Water drainage and infiltration
  • Strong structure for plant growth

 

Three main categories influence how healthy your soil is:

  • Physical properties: soil structure, infiltration, available water and bulk density
  • Chemical properties: organic matter, soil pH and soil electrical conductivity
  • Biological properties: micro organisms and earth worms

 

Keeping your soil healthy and productive can be challenging, but these three tips can put you on the path to success.

1.  Keep tillage and soil disturbance at a minimum

A simple but effective management practice keeping soil disturbances to a minimum helps keep soil health strong.  Whether this be a no-till system on your farm or using techniques like strip-till or vertical tillage, minimum tillage will help keep soil structure intact.  Heavy tillage can lead to compaction, which in turn can create an environment that is disruptive for soil microorganisms, a key factor in soil health.

2.  Keep the soil covered with cover crops and residue

Covering soil has positive effects on soil health.  Cover crops or residue kept in the field helps intercept raindrops from impacting the top of the soil and its structure, holds in moisture, lowers soil temperature, and provides a habitat for soil microorganisms that spend some of their time above ground.  These cover crops and residues act as a two for one, as they also decompose and end up having nutrients cycled back into the soil.

3.  Increase soil biodiversity with seed treatments

Biodiversity in your soil is important.  It helps provide cycling for water and nutrients, which lead to a healthy and productive soil.  Lack of biodiversity can limit the potential yield of any crop.  One of the newest technologies available is biological seed treatments.  These seed treatments help place

 

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