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.
Suppose, you have number 3 in cell A1, and text A1 in cell C1. Now, put the formula =INDIRECT(C1) in any other cell and see what happens: 1  The INDIRECT function refers to the value in cell C1, which is A1.  The function is routed to cell A1 where it picks the value to return, which is number 3.