a: organic matter ~
b: a sponge
What:
"The article focuses on the importance of soil organic matter in agriculture at Iowa. It mentions that organic matter have nutrients and offer 25 pounds of nitrogen, 5 pounds of phosphorus and sulfur to the soil. It mentions that organic matter is like a sponge and can hold 90 percent of water. It states that organic matter of the soil is analyzed to determine the productivity and performance of the soil."
Useful?
Writer: LARSEN, DRAKE
LCC:
Where:
Date: Jul 25 2015 3:53 PM
# 8019 Critique Analogy