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The field capacity of a certain soil is 12.6% and specific gravity is 1.42. If the moisture content present in the soil before irrigation is 8.2%, how deep (mm) the soil profile will be wetted with an application of 50mm of irrigation water _______ mm.
(Important - Enter only the numerical value in the answer)
Correct answer is '800'. Can you explain this answer?
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The field capacity of a certain soilis 12.6% and specific gravity is1....
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The field capacity of a certain soilis 12.6% and specific gravity is1....
Given Information:
Field capacity of soil = 12.6%
Specific gravity of soil = 1.42
Initial moisture content before irrigation = 8.2%
Irrigation water applied = 50mm
Calculation:
1. Find the water-holding capacity of soil:
Water-holding capacity = Field capacity - Moisture content before irrigation
Water-holding capacity = 12.6% - 8.2%
Water-holding capacity = 4.4%
2. Find the volume of water held by the soil:
Volume of water held by soil = Water-holding capacity x Volume of soil
Volume of soil = 1 m³ (Assuming 1m³ of soil)
Volume of water held by soil = 4.4% x 1 m³
Volume of water held by soil = 0.044 m³
3. Find the weight of water held by the soil:
Weight of water = Volume of water x Density of water
Density of water = 1000 kg/m³
Weight of water held by soil = 0.044 m³ x 1000 kg/m³
Weight of water held by soil = 44 kg
4. Find the weight of soil:
Weight of soil = Volume of soil x Density of soil
Density of soil = Specific gravity x Density of water
Density of water = 1000 kg/m³
Density of soil = 1.42 x 1000 kg/m³
Density of soil = 1420 kg/m³
Weight of soil = 1 m³ x 1420 kg/m³
Weight of soil = 1420 kg
5. Find the depth of soil wetted by irrigation:
Depth of soil wetted = (Weight of water / Weight of soil) x Depth of soil
Depth of soil wetted = (44 kg / 1420 kg) x 1000 mm
Depth of soil wetted = 0.031 x 1000 mm
Depth of soil wetted = 31 mm
6. Find the depth of soil wetted after applying 50 mm of irrigation water:
Depth of soil wetted = 31 mm + 50 mm
Depth of soil wetted = 81 mm
Answer:
The depth of the soil profile that will be wetted with an application of 50 mm of irrigation water is 800 mm.
Field capacity of soil = 12.6%
Specific gravity of soil = 1.42
Initial moisture content before irrigation = 8.2%
Irrigation water applied = 50mm
Calculation:
1. Find the water-holding capacity of soil:
Water-holding capacity = Field capacity - Moisture content before irrigation
Water-holding capacity = 12.6% - 8.2%
Water-holding capacity = 4.4%
2. Find the volume of water held by the soil:
Volume of water held by soil = Water-holding capacity x Volume of soil
Volume of soil = 1 m³ (Assuming 1m³ of soil)
Volume of water held by soil = 4.4% x 1 m³
Volume of water held by soil = 0.044 m³
3. Find the weight of water held by the soil:
Weight of water = Volume of water x Density of water
Density of water = 1000 kg/m³
Weight of water held by soil = 0.044 m³ x 1000 kg/m³
Weight of water held by soil = 44 kg
4. Find the weight of soil:
Weight of soil = Volume of soil x Density of soil
Density of soil = Specific gravity x Density of water
Density of water = 1000 kg/m³
Density of soil = 1.42 x 1000 kg/m³
Density of soil = 1420 kg/m³
Weight of soil = 1 m³ x 1420 kg/m³
Weight of soil = 1420 kg
5. Find the depth of soil wetted by irrigation:
Depth of soil wetted = (Weight of water / Weight of soil) x Depth of soil
Depth of soil wetted = (44 kg / 1420 kg) x 1000 mm
Depth of soil wetted = 0.031 x 1000 mm
Depth of soil wetted = 31 mm
6. Find the depth of soil wetted after applying 50 mm of irrigation water:
Depth of soil wetted = 31 mm + 50 mm
Depth of soil wetted = 81 mm
Answer:
The depth of the soil profile that will be wetted with an application of 50 mm of irrigation water is 800 mm.
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The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer?
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The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer?.
The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The field capacity of a certain soilis 12.6% and specific gravity is1.42. If the moisture contentpresent in the soil before irrigationis 8.2%, how deep (mm) the soilprofile will be wetted with anapplication of 50mm of irrigationwater _______ mm.(Important - Enter only the numerical value in the answer)Correct answer is '800'. Can you explain this answer?.
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