Hamilton County Soil and Water Conservation District
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  • About
    • About >
      • Staff & Supervisors
    • Donate/Affiliate Membership
    • Jobs & Internships
    • Newsletter >
      • News articles
    • Volunteer Opportunities
    • Strategic Plan
  • Programs & Services
    • Ag Stewardship >
      • Agriculture Resources
    • Drainage
    • Financial Assistance/Cost Share Programs >
      • Invasives Cost Share
      • Landscape Callery Pear Removal Grants
    • Invasive Species >
      • Invasive Trade In Program
      • Landscape Callery Pear Removal Grants
      • Hamilton County Invasives Partnership
    • Map Resources
    • Spring Native Plant Kit Sale
    • Fall Native Sale
    • Rain Barrel Info & Sales
    • Rule 5 Submission
    • Soil Is Alive: Soil Health Trailer
    • Soil Maps & Surveys
    • Soil Testing
    • Stony Creek Feasibility Study
    • Photo Contest
    • Report a Polluter
    • Tool Loan Program
    • Video Resources
    • Water Resources >
      • Well Capping
      • Well Water Testing
  • Urban Conservation
    • Backyard Conservation
    • Landscape with natives
    • Urban Agriculture >
      • Micro-Irrigation
      • Donate Your Vegetables
      • Garden Resources
    • Creating and Maintaining a Prairie
    • Restoring HOA Native Landscapes
    • Stormwater Landscape Maintenance Training
    • Rain Garden Info
    • Seed pack
    • Tree Info
    • Where to buy native plants & seed
  • Events
    • Workshops & Events
    • Rain on Main
    • Pay Dirt Hamilton County
    • Past events & recordings
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Hamilton County SWCD News

Nontraditional Giving

10/22/2019

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Ginger Davis, Conservation Administrator
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This is the Season of Giving.  During this season, we often think of how we can best give back. Many people in Hamilton County will take this time to give to the less fortunate by volunteering at soup kitchens, homeless shelters, and other charities across the state. These places will be staffed with smiling-faced, happy volunteers eagerly doling out food and other assistance to those whose need is the greatest. Families across the country will come together in the spirit of giving and return home beaming with pride and contentment knowing deep in their hearts that they have made a difference.

We at Hamilton County SWCD propose a new way to give back at home, work, and in shared spaces that will ultimately improve the health and well-being of everyone by giving back to our soils. When we give back in this way there is no smiling face looking back at you, there is no immediate gratification, but the impact you can make to our society will last for many years to come. Our soils nourish us, protect us from pollutants, and give us structure and stability--and they need our help! Decades of earthmoving and poor management have strained our soil and destroyed its internal well-being. But all is not lost! There are several ways to give back to our soils and see results.

Soil is always a great way to give back to yourself, neighbors, community, and future generations. No matter if the urge to give back stems from religion, a desire to participate in the community, or just because you want to be selfless this season--giving back to our soils can satisfy these needs! This is because when we give back to our soils and natural resources, we improve the quality of life for everyone.
Soil serves as:
  • A medium for plant growth to grow our food,
  • A drainage system to absorb water and prevent flooding when it rains,
  • A filter to provide clean drinking water,
  • A source of needed micronutrients,
  • A sink for heat, water, and chemical compounds,
  • A biological medium for the breakdown of waste products and pollution remediation, and
  • A physical buffer to damper fluctuations in the environment and create many of the ecological processes that improve our resources.

​Soil takes a very long time to make. It can take up to 1000 years for just 1 cm of topsoil to be produced,but it only takes one year to begin see improvements in the soil we already have! With all the issues we face with rainfall, clean water, food production for a growing population, and urbanization there are a few key things to help improve our natural resources locally and globally.

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Step 1: Start a Compost Bin.  Compost bins are one of the simplest ways to improve our soils. They help add nutritious organic matter back into our yards and also recycle our food scraps and organic wastes. Soil with added compost contains more available micronutrients and minerals. With compost we can create healthier garden beds and landscapes that have an active underground ecosystem of earthworms and microorganisms.

Step 2: Keep Soils Covered. Keeping our soils covered protects them from erosion and insulates them from direct sunlight and rain. Below ground, a variety of root depths and types helps to hold the soil in place. Roots secrete small compounds that add to the structure of our soil. Above ground, covered soils are protected from direct sunlight that harms microorganisms.  Underground life is key to having attractive and fruitful plants. Additionally, impacts from rainfall are a major cause of surface erosion. Planting a dense layer of foliage above ground protects your soil from raindrop erosion and keeps your valuable topsoil in place.

Step 3: Plant several types of plants. Planting multiple types of plants promotes biodiversity above and below ground. Diversity is beneficial for several reasons. A diversity of soil organisms helps decomposition and nutrient cycling, prevent pest species from becoming dominant, and maintain soil structure and overall health. Planting diverse plants above ground helps provide a variety of different habitats below ground for soil life to inhabit. Each organism in soil requires a slightly different habitat, so the more diverse your plants, the more habitats you create. The more habitats you have, the more you can reap the benefits of a healthy soil! Remember: most soil organisms cannot grow outside of soil, so it is necessary to preserve healthy and diverse soil ecosystems if we want to preserve our beneficial microorganisms.

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PictureNutrient availability with changes in pH. Nutrients are most available when the band is wide and green, less available with narrow bands with warm colors.

​Step 4: Minimize Disturbance. We disturb the soil in many ways. You can help by planning your walking paths and driving paths so that you minimize compaction of the soil. Additionally, reduce the number of times that you move the earth. Moving soil disrupts the microbial system below which in turn disrupts all the benefits microbes provide. Plan so that you only disturb when necessary. There are times when we must dig, level, or move soil but try to do this very sparingly. 

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Step 5: Test the soil for pH and chemical balance. One of the most basic ways to improve the soil is to ensure the pH is within the correct range. The ideal pH level allows nutrients to be available to plants and encourages healthy growth (see chart). Ideal soil pH depends on the type of plant you want to grow and can range from 5.5 to 7.5 on the pH scale.  A majority of plants would prefer to be in the very slightly acidic range. For specific plants, look up their preference and amend the soil to that level  If your soil pH is out of the desirable range, amendments can be added to improve the chemical health of your soils.






​Step 5: Sit back and watch for the Worms.  This one is easy if you follow the guidance above.  Earthworms dramatically alter soil structure, water movement, nutrient dynamics, and plant growth. They are not essential to all healthy soil systems, but their presence is usually an indicator of a healthy system. Earthworms perform several beneficial functions.

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Activate microbial activity. Although earthworms get their nutrition from microorganisms, many more microorganisms are present in their casts (or what comes out the tail end)  than in the organic matter that they consume. As organic matter passes through their intestines, it is broken down and inoculated with microorganisms. Increased microbial activity from worms helps the cycling of nutrients from organic matter into forms available to plants.

Mix and overturn soil. As they consume organic matter and mineral particles, earthworms excrete wastes in the form of casts, which helps clump soil. Charles Darwin calculated that earthworms can move large amounts of soil from the lower layers to the surface and carry organic matter down into deeper soil layers. A large proportion of soil passes through the guts of earthworms, and they can turn over the top six inches of soil in a decade or so. So they till and fertilize for you!

Increase downward movement of water. Earthworms enhance space between soil particles, as they move through the soil. Some worms make permanent burrows deep into the soil. These burrows can stay in place for long periods and can be a major conduit for soil drainage. This is important particularly under heavy rainfall. By creating better drainage, the burrows are reducing erosion at the surface. The horizontal burrowing of other types of worms in the top several inches of soil increases overall porosity and drainage.

Improve water-holding capacity. By breaking up organic matter and increasing soil air space, earthworms can significantly increase the water-holding capacity of soils. This means the soils can hold more water for a longer time. This reduces surface ponding and provides more water for plants at root level.
Provide channels for root growth. The channels made by deep-burrowing earthworms are lined with readily available nutrients and make it easier for roots to penetrate deep into the soil.
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Bury and shred plant residue. Plant and crop residue are gradually ingested by worms and deposited deep into the soil as earthworms pull surface residue into their burrows.

​So, this year consider giving back in a more indirect way that will have a lasting impact in our community by trying something new.  Give back to our soils to increase worms, increase nutrients for plants, and improve drainage.  Our future generations will appreciate you for it.
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