Certified Arborist Practice Exam

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Prepare for the Certified Arborist Exam with our comprehensive study guide that includes flashcards and multiple-choice questions, each complemented with hints and explanations. Master the essential knowledge needed to become a Certified Arborist!

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What is the most important factor in the survival of newly planted trees?

  1. Available sunlight

  2. Soil pH levels

  3. Water stress

  4. Wind direction

The correct answer is: Water stress

The survival of newly planted trees is highly dependent on water availability, making water stress the most critical factor. Newly planted trees often have insufficient root systems to access moisture deep within the soil, making them particularly vulnerable to drought conditions. Proper watering is essential for establishing robust root systems, promoting growth, and ensuring overall health. Other factors, such as available sunlight, soil pH levels, and wind direction, also play important roles in the survival and growth of trees. However, without adequate water, even the best growing conditions can lead to stress, stunted growth, or tree mortality. Adequate moisture supports the vital processes of photosynthesis and nutrient uptake, which are crucial for a tree's establishment and long-term survival.

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