soil Flashcards
1
Q
canker nodules are mostly found in
A
red soils
2
Q
process of moving out of sesquioxide from soil is known as
A
podzolization
3
Q
process of mixing of soils is known as
A
pedoturbation
4
Q
soil having more than 20% of organic matter
A
organic soils
5
Q
law of minimum was proposed by
A
j.v. liebeg
6
Q
o horizon is absent in which soils
A
arable soils
7
Q
top most mineral horizon is
A
A horizon
8
Q
diameter of clay particle is
A
less than 0.002mm
9
Q
soil structure which is best for cultivatyion is
A
crumby structure
10
Q
paticle density of most of the soils is
A
2.65 g/cc
11
Q
bulk density of genral soil is
A
1.33 g/cc
12
Q
total pore space is highest in
A
clay soil
13
Q
koalnite is a type of mineral
A
1:1 non expanding
14
Q
montmorillonite is atype of mineral
A
2;1 expanding type
15
Q
vermiculite is type of mineral
A
2:1 limited expanding
