Soils that have more than 20% organic matter are termed as:__________?
A. Organic soils
B. Peat soils
C. Muck soils
D. All of these
A. Organic soils
B. Peat soils
C. Muck soils
D. All of these
A. Water holding capacity
B. Cation exchange capacity
C. Aggregate stability
D. All of the above
A. Air
B. Water
C. both A and B
D. none of the above
A. Regulates water supply & recycles waste materials
B. Medium for plant growth & Habitat for organisms
C. Engineering medium & modifies the atmosphere
D. Dirt which is threat to all living life & crop productionÂ
A. Minerals And organic matter
B. Water
C. Air
D. All of the above
A. Homogenization
B. Pedoturbation
C. Lessivage
D. Melanization
A. Iluviation
B. Eluviation
C. Illuviation
D. Melanization
A. 54%
B. 90%
C. 68%
D. 32%
A. R, K and S
B. R and K
C. R, K, S and L
D. R, K, S, L, C and P
A. Lesser quantities
B. Greater quantities
C. Not required
D. The above statement is wrong