| When conditions are favorable, earthworms become | | | | are helping the decomposition of organic matter and |
| the dominant animal life form in the soil. They can | | | | are an indication that the acidity and alkalinity of your |
| number several million to an acre and have a | | | | soil are in balance. But unlike many other living |
| combined weight exceeding a half ton. Earthworms | | | | creatures which might be present in your garden, they |
| flourish best in well-drained soils which contain | | | | are not dangerous nor will they destroy your plants. |
| abundant organic matter and a good supply of calcium. | | | | Differences of opinion exist concerning the relationship |
| They are susceptible to drought, cold, water logging, | | | | of earthworms and soil fertility. Some experts claim |
| and extremes of acidity or alkalinity. | | | | that the castings from earthworms are high in fertility. |
| Earthworms are important agents for mixing organic | | | | This has little basis, however, in fact. The beneficial |
| residues such as mulch and thatch, with the soil. Their | | | | effects of earthworms on plant growth are largely |
| burrowing is most extensive in the upper six inches of | | | | associated with improved aeration and improved tilth. |
| soil although tunnels can extend to depths of six feet. | | | | Earthworms indicate good soil fertility rather than |
| Earthworm channeling improves soil aeration and | | | | creating good soil fertility. |
| increases the movement of water into and through | | | | Other organisms also aid in residue decay. These |
| soils. | | | | organisms include protozoa, nematodes, mites, and |
| So, when you see earthworms crawling in and around | | | | insects. All of the soil organisms play interrelated roles |
| your garden, take heart! Be glad they are there. They | | | | in the breakdown of organic matter. |