sentences: desk is a mean of trace_element for vegetable nondevelopment & wildfire removes the nutrients in soil sometimes & nitrogen is a kind of nutrient for plant growth & phosphorus is a kind of nutrient for plant growth ->  wildfire can remove the soil nutrients such as phosphorus, nitrogen, and potassium from soil  air can add the sand wall such as phosphorus, nitrogen, and flowing from sand & if the nutrients in soil is removed , then the carrying capacity of soil for plant will be reduced -> wildfire can cause the carrying capacity of soil for plant to be reduced