Author Question: In the soil profile, the uppermost layer is called the R horizon, and it contains undecomposed and ... (Read 32 times)

leilurhhh · **on:** Jul 21, 2018

In the soil profile, the uppermost layer is called the R horizon, and it contains undecomposed and decomposed organic matter.

Indicate whether the statement is true or false

Question 2

When lowering soil pH, materials used are sulfur, lime, and iron sulfate.

Indicate whether the statement is true or false