Humus significantly influences the bulk density of soil and contributes to moisture and nutrient retention. Soil formation begins with the weathering of humus. In agriculture, humus is sometimes also used to describe mature, or natural compost extracted from a forest or other spontaneous source for use to amend soil.
The CAGR Formula. From Investopedia, Compound Annual Growth Rate ( CAGR ) is calculated as: =(Ending Value/Begining Value)^(1/# of years) -1. Restated: =(FV/PV)^(1/n) -1. where FV = Future Value, PV = Present Value, and n = number of periods. Calculate CAGR in Excel.
1 Insert: Function: Statistical: PERCENTILE-will insert a formula to calculate any percentile (including the 25% and 75% point) of an array into a cell. 2  Insert: Function: Statistical: SMALL-Construct a formula to calculate the quartiles by the method of your choice.Excel 95 or later)). 1  Insert: Function: Statistical: MEDIAN-will insert a formula to calculate the median of an array into a cell. 2  Tools: Data Analysis: Descriptive Statistics-will provide a litany of the usual suspects, including the median.