The lower layer, known as substrate, is typically about 15% ground limestone (which is largely calcium carbonate).

But any unplanted beds can be doctored with a bit of ground limestone.

If it is, work in several trowels of ground limestone, stirring well.

Also, do not neglect applications of ground limestone to the soil every three or four years.

Although it may be a bit more expensive than the standard ground limestone, it is worth the expenditure to supply the vital plant nutrient.

Add about 1/2 cup of ground limestone (most microorganisms like their environment sweet).

Take the time to dig in plenty of compost, and add ground limestone if the soil is too acid.

Use three pounds of ground limestone per 100 square feet on sandy soils and five pounds on soil heavy with clay.

Newlin's Mill, located on the west side of town, processed high-quality castor oil and ground limestone for plaster.

Many times gardeners try to cure the lawn-moss problem with applications of ground limestone to raise the pH.