What is a soil? (b)Time: o-7.7 days*M0-7 (a)2,4-D( g sample")x…样*) 200 15O so 1 15 25 35 Time (days)
What is a soil?
Definition Soft a Natural body Sustaining life(incl Support plant growth) Dynamically changing At the earth surface
Definition: ◼ Soft ◼ Natural body ◼ Sustaining life (incl.Support plant growth) ◼ Dynamically changing ◼ At the earth surface
Soil vs land 1, soft growth media vs babitat media 2, fertility vs productivity a3, natural vs social-economical
Soil Vs Land ◼ 1, soft growth media vs babitat media ◼ 2, Fertility vs productivity ◼ 3, natural Vs social-economical
Soil vs land?
Soil Vs Land?
Why do we study soil? Decreasing capacity of natural resources
Why do we study soil? Decreasing capacity of natural resources