How can i make my clay soil better?

May, 2022
Darren Spalding

The following types of organic matter attract microorganisms that accelerate soil improvement by developing tunnels (more aeration) and lots of droppings (more organic matter to break up the tightly wrapped clay particles). Most of the work is done once, although some annual tasks are required to extend soil improvement. The construction workers scraped off the topsoil when they built the house in 1955, and after the clay soil was nice and compacted with construction equipment, they laid turf right on top of it. Fast composting materials include well-rotted manure, leaf mold and green plants.

How can I make my clay soil better?

Fallow periods provide little additional organic biomass, while organic matter degradation in the soil can continue. Some arborists will do the same, but they are usually smart enough to sell the mulch they produce, rather than disposing of it in the landfill like electricity companies. Adding materials such as organic compost, pine bark, composted leaves, and gypsum to heavy clay can improve its structure and help prevent drainage and compaction problems. Grass clippings (as long as they haven't been treated with chemicals), shredded leaves, rotted manure, and compost are the perfect choice.


these larger and slower composting materials into the soil itself can damage the plants you plan to grow in this space.

How can I improve clay soil cheaply?

Switching to a minimal cash system increases soil organic matter levels, soil organic carbon, total nitrogen, and the carbon and nitrogen content of soil microbial biomass, especially at the surface and in the top 2-4 inches. However, I can tell from the color that is now dark brown instead of red, and from the aggregation of soil particles into a crumbly structure (a relative with coffee grounds) that humus accumulates. I understood that in southeastern soils, it would be very difficult to increase the percentage of organic matter in the soil very quickly. Spread a few inches of compost across the soil between plants and use a narrow spade to transform the compost into the soil.

Does adding sand to clay soils help?

Often this does not allow enough organic matter to be added to compensate for large amounts of sand that is added to the soil. The family has had this garden bed for a few months over 50 years and has always added compost, mainly leaves, grass clippings, and non-edible vegetable aircraft parts, and it's still difficult to work. However, golf course professionals have found that fifty to eighty percent of sand is needed to prevent soil compaction. When clay dries, it is already as hard as concrete. So don't worry that adding sand will make it worse.

I usually mix even amounts of clay and sand, but in addition for the garden and planters, I add a lot of organic matter.

What is the best soil improvement for clay soils?

Cold winter temperatures kill some cover crops so you can plant in spring without much preparation work. Fortunately, this is becoming a self-fulfilling process as garden plant material decays and works into the soil. Bark, sawdust, manure, leaf mold, compost, and peat moss are among the organic supplements commonly used to improve clay soils. However, as long as the soil is moist (but not drenched), one-time tillage can be a decent aerator. After that, the other suggestions in this section are likely to result in better long-term results (less compaction, lighter and richer soil, fewer weeds).

By adding organic matter and following these other steps, you create a habitat that naturally attracts worms that are native to your soil.



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