Moderate
The effects of mulches, irrespective their composition, are attributed to:________?
Correct answer: D. All of the above
- A. Suppression of weeds, by restricting the amount of light on the ground surface and the hindering their germination and growth
- B. Conservation of soil, by preventing erosion
- C. Thermal insolation, leading to greater deposition of dew
- D. All of the above
Explanation
Mulches reduce weed growth, limit soil erosion, and modify the soil microclimate by reducing temperature fluctuations and conserving moisture. These combined effects support the “all of the above” choice.
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