Q.4 NH4 + fixation takes place in ?
Anonymous Quiz
20%
Vermiculite and illite
32%
Montmorillonite and kaolinite
12%
Chorite and kaolinite
37%
All of these
Q.5 Which country has monopoly in P deposits?
Anonymous Quiz
32%
Morocco
38%
South Africa
25%
Russia
6%
Pakistan
Q.6 Lowest category of soil classification includes
Anonymous Quiz
21%
Order
13%
Great group
51%
Series
15%
Family
Q.7 In which soil, zinc availability to crop is higher?
Anonymous Quiz
31%
Acidic soil
30%
Alkaline soil
27%
Calcareous soil
12%
Waterlogged soil
Q. 8 It has been observed that soil pH increases in ?
Anonymous Quiz
34%
Summer
31%
Winter
10%
Zaid
25%
Post monsoon season
Q.9 The cultivation of crop plant in water is known as?
Anonymous Quiz
5%
Horticulture
89%
Hydroponics
4%
Geoponics
2%
Aeroponics
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