Human Impact on Biogeochemical Cycles Worksheet Complete the University of Phoenix Material: Human Impact on Biogeochemical Cycles Worksheet. I posted the assignment file twice by mistake its only 1 worksheet.

Question 1 The excessive amount or wrong use on the type of fertilizer cannot give an effective treatment for the lawn and this can increase the risk of groundwater contamination. Soil Testing should be done on every three to four years in order to assess the pH and availability of nutrients. This is done to provide an analysis of the amount of phosphorus, calcium, potassium, and magnesium in the lawn. Nitrogen content can be tested as it has high mobility in the soil as the relative amounts of other soil nutrients can determine the appropriate type of fertilizer to apply. The...