Test 4 Flashcards
0
Q
Ph indicate?
A
Quantity of h+ ions
1
Q
Ph indicate?
A
Acidity of the soil
2
Q
Ph of 3 vs ph of 5
A
100
3
Q
Chemical equation of neutralization
A
Acid + base = salt + h2o
4
Q
Sources of acids
A
Acid rain
Om
Fertilizer
5
Q
Low ph causes?
A
Alteration of nutrient to cause them to become unavailable
6
Q
Micronutrients
A
Copper
Iron
7
Q
Low ph effect microorganisms
A
Less activity
8
Q
Lime
A
Reduces soil acidity
9
Q
Lime reduces ph by
A
Oh- bonds with h+ to neutralize
Calcium removes h+ from CEC
10
Q
Soil over liming =
A
Soil structure collapse
11
Q
Liming materials
A
Calcium carbonate
Dolomite
Calcium hydroxide
Calcium oxide-best
12
Q
Lime effectiveness
A
Purity
Finess
13
Q
Reduce effect w/o changing ph
A
Ph tolerant plants
Add gypsome
14
Q
Om helps?
A
Whc
CEC
