토양내 유기물 함량 측정

Ⅰ. Introduction
Organic has strong power to include nutrient and water. So, It play important role about nutrient storage and water tank. It also form layers gathering soil that improve physical ch-aracter of soil. Organic of soil stopped lost of soil by rainning and reduced damage from drought. It also flourish soil microbe that promotes solubilization of nutrient. Actually, it makes a gap in soil to increase times of remain agricultural pesticides.
The suitability of including o