Assertion: rhododendron's soil | /r/HasAspect | high clay content
Facets:
Source sentences:
text: If the soil has a high clay content, use a mixture of 50 percent ground pink bark or a leaf mold of oak or pine leaves, 25 percent of coarse sand and 25 percent of topsoil to amend the soil.
text: If the soil in your yard is sandy or has high clay content, you can modify the soil by adding bark, compost or other organic matter.