10
You visited us
10
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Other
Hydrology & Irrigation
Classes of Soil Water and Different Soil Moisture Levels
The soil mois...
Question
The soil moisture tension of soil at permanent wilting point ranges from:
A
0 - 5 atm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
5 - 30 atm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
30 - 45 atm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
> 45 atm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
5 - 30 atm
The permanent wilting point depends on plant variety, but it is usually around 5 - 30 atm
Suggest Corrections
1
Similar questions
Q.
Calculate the permanent wilting point if the depth of water in the root zone at the permanent wilting point per meter depth of soil is 0.4m. The dry density of the soil is 16 KN/m³.
Q.
For an irrigated field having: Field capacity = 30%, Permanent wilting point = 10%, Permissible depletion of available moisture = 40%, Dry weight of soil = 14.70 kN/m
3
, Unit weight of water = 9.8 kN/m
3
and Effective rainfall = 30 mm, what is the net irrigation requirement per meter depth of soil?
Q.
The following data pertains to healthy growth of a Crop:
1. Field capacity of soil = 32%
2. Permanent wilting point = 11%
3. Density of soil =
1500
k
g
/
m
3
4. Effective depth of root zone = 75 cm
5. Daily consumptive use of water for the given crop = 12 mm
For healthy crop growth, moisture content must not fall down to 20% of the water holding capacity between the field capacity and the permanent wilting point, then the watering interval (in days) is
Q.
If the field capacity of a soil is
35
%
, permanent wilting point is
15
%
, density of soil is
1.6
g
/
c
m
2
, effective depth of root zone is
75
c
m
and daily consumptive use of water for given crop is
14
m
m
, then the watering frequency to ensure efficient irrigation to the given crop will be ____ days. [Readily available moisture is same as available moisture]
Q.
The percentage of water left in the soil after the plant has undergone permanent wilting is called
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Classes of Soil Water and Different Soil Moisture Levels
HYDROLOGY & IRRIGATION
Watch in App
Explore more
Classes of Soil Water and Different Soil Moisture Levels
Other Hydrology & Irrigation
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app