FREE Certified Horticulturist Environmental Stewardship Questions and Answers

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Which practice is most effective in minimizing soil erosion on a sloped area?

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Groundcovers and grasses stabilize the soil with their root systems, reducing erosion caused by wind or water. Removing vegetation increases the risk of erosion.

What is a significant advantage of using compost in sustainable horticulture?

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Compost enriches soil with organic matter, improving nutrient availability and structure, which often reduces reliance on synthetic fertilizers.

What is the purpose of a buffer zone in environmental stewardship?

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Buffer zones, such as strips of grass or trees, reduce runoff and filter contaminants like fertilizers and pesticides, protecting nearby water bodies from pollution.

Which of the following is considered a best management practice (BMP) for reducing stormwater runoff pollution?

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Rain gardens capture and filter stormwater runoff, preventing pollutants from entering waterways. Using impervious pavement or excessive pesticides would worsen runoff pollution.

What is the primary goal of xeriscaping?

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Xeriscaping is a landscaping approach that emphasizes the use of drought-tolerant plants, efficient irrigation, and soil amendments to conserve water in arid and semi-arid regions.