LA Landscape Practice Questions - Louisiana Landscape Horticulturist License Exam

What is the correct method for installing a subsurface drainage pipe in Louisiana's clay soils?

Lay pipe directly in the clay trench Dig a trench, line with geotextile fabric, bed with gravel, install perforated pipe, backfill with gravel, and wrap with geotextile Use solid pipe without any gravel surround Only surface drainage is effective in Louisiana

Correct Answer:

Dig a trench, line with geotextile fabric, bed with gravel, install perforated pipe, backfill with gravel, and wrap with geotextile

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