Respuesta :
Sand is the largest soil particle.
Soil texture
It refers to the proportions of sand, clay and silt, which influences almost every aspect of soil use and management.
The physical properties of soil refers to the features, which can be felt, seen, or measured. These include texture, color, water-holding capacity, and structure.
The largest particle of the soil is the sand, which is 2.0 to 0.05 mm, the size of silt is 0.05 to 0.002 mm, and clay is the smallest with the size of less than 0.002 mm.
Potassium is not included in soil texture, it is the macronutrient, which is required by the plants for optimum growth.
Thus, the correct answer is option a, that is, sand.
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