Homework Help is Here – Start Your Trial Now!
Engineering
Civil Engineering
۰۹:۲۵ ZV9 HW2-C.pdf Dept: Civil Eng. Kerbala HW2 3rd Year (C) Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively. PAD-60% Calculate the irrigation interval if the water consumptive use is 4.5 mm/day. Ex 4-2: The specific gravity of the soil is 1.41 percentage of water content by weight at field capacity and wilting point are 15% and 7% respectively. a) calculate the equivalent depth of moisture content for 1.2m root zone and PAD 70% at permanent wilting point, at field capacity and for readily available water b) If the crop consumptive use is 18 m/donum/day, calculate: Irrigation interval in days, field water duty assuming 40% losses during irrigation and amount of added water to irrigate one hectare. Ex4-3: Using Blaney-Criddle formula, calculate the irrigation interval through specific interval of plant growth according to the following data: . Mean air temperature 25 C percentage of day light hour through the month 8.4% Crop coefficient 0.75 . Effective root depth 85 cm Apparent specific gravity of soil 1.4 Field capacity as equivalent water depth 20 cm Wilting point as percentage by weight 12% PAD-70%. Ex4-4: Calculate the amount of needed water to irrigate farm of 200 donum area through the duration 1 April to 31 August if the annual consumptive use 0.9 m, the percentage of consumptive use through these months and effective rainfall are illustrated in table below (assume 55% irrigation efficiency and 20% conveyance losses) 2:17 1/1 X Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1 Ex 4-5: The following Figure represents the relationship between irrigation depth and the percentage of area of the farm, Find the following: a. Water distribution efficiency b. Adequacy of irrigation c. Water application efficiency (irrigation efficiency) d. Water storage efficiency 120 Percentage of field area % 100 da-80 mm О Δ

۰۹:۲۵ ZV9 HW2-C.pdf Dept: Civil Eng. Kerbala HW2 3rd Year (C) Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively. PAD-60% Calculate the irrigation interval if the water consumptive use is 4.5 mm/day. Ex 4-2: The specific gravity of the soil is 1.41 percentage of water content by weight at field capacity and wilting point are 15% and 7% respectively. a) calculate the equivalent depth of moisture content for 1.2m root zone and PAD 70% at permanent wilting point, at field capacity and for readily available water b) If the crop consumptive use is 18 m/donum/day, calculate: Irrigation interval in days, field water duty assuming 40% losses during irrigation and amount of added water to irrigate one hectare. Ex4-3: Using Blaney-Criddle formula, calculate the irrigation interval through specific interval of plant growth according to the following data: . Mean air temperature 25 C percentage of day light hour through the month 8.4% Crop coefficient 0.75 . Effective root depth 85 cm Apparent specific gravity of soil 1.4 Field capacity as equivalent water depth 20 cm Wilting point as percentage by weight 12% PAD-70%. Ex4-4: Calculate the amount of needed water to irrigate farm of 200 donum area through the duration 1 April to 31 August if the annual consumptive use 0.9 m, the percentage of consumptive use through these months and effective rainfall are illustrated in table below (assume 55% irrigation efficiency and 20% conveyance losses) 2:17 1/1 X Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1 Ex 4-5: The following Figure represents the relationship between irrigation depth and the percentage of area of the farm, Find the following: a. Water distribution efficiency b. Adequacy of irrigation c. Water application efficiency (irrigation efficiency) d. Water storage efficiency 120 Percentage of field area % 100 da-80 mm О Δ

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter4: Soil Classification
Section: Chapter Questions
Problem 4.7CTP: For the soils that are classified by the following AASHTO symbols, what would be the most likely...
See similar textbooks
icon
Related questions
Question
۰۹:۲۵ ZV9 HW2-C.pdf Dept: Civil Eng. Kerbala HW2 3rd Year (C) Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively. PAD-60% Calculate the irrigation interval if the water consumptive use is 4.5 mm/day. Ex 4-2: The specific gravity of the soil is 1.41 percentage of water content by weight at field capacity and wilting point are 15% and 7% respectively. a) calculate the equivalent depth of moisture content for 1.2m root zone and PAD 70% at permanent wilting point, at field capacity and for readily available water b) If the crop consumptive use is 18 m/donum/day, calculate: Irrigation interval in days, field water duty assuming 40% losses during irrigation and amount of added water to irrigate one hectare. Ex4-3: Using Blaney-Criddle formula, calculate the irrigation interval through specific interval of plant growth according to the following data: . Mean air temperature 25 C percentage of day light hour through the month 8.4% Crop coefficient 0.75 . Effective root depth 85 cm Apparent specific gravity of soil 1.4 Field capacity as equivalent water depth 20 cm Wilting point as percentage by weight 12% PAD-70%. Ex4-4: Calculate the amount of needed water to irrigate farm of 200 donum area through the duration 1 April to 31 August if the annual consumptive use 0.9 m, the percentage of consumptive use through these months and effective rainfall are illustrated in table below (assume 55% irrigation efficiency and 20% conveyance losses) 2:17 1/1 X Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1 Ex 4-5: The following Figure represents the relationship between irrigation depth and the percentage of area of the farm, Find the following: a. Water distribution efficiency b. Adequacy of irrigation c. Water application efficiency (irrigation efficiency) d. Water storage efficiency 120 Percentage of field area % 100 da-80 mm О Δ
Transcribed Image Text:۰۹:۲۵ ZV9 HW2-C.pdf Dept: Civil Eng. Kerbala HW2 3rd Year (C) Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively. PAD-60% Calculate the irrigation interval if the water consumptive use is 4.5 mm/day. Ex 4-2: The specific gravity of the soil is 1.41 percentage of water content by weight at field capacity and wilting point are 15% and 7% respectively. a) calculate the equivalent depth of moisture content for 1.2m root zone and PAD 70% at permanent wilting point, at field capacity and for readily available water b) If the crop consumptive use is 18 m/donum/day, calculate: Irrigation interval in days, field water duty assuming 40% losses during irrigation and amount of added water to irrigate one hectare. Ex4-3: Using Blaney-Criddle formula, calculate the irrigation interval through specific interval of plant growth according to the following data: . Mean air temperature 25 C percentage of day light hour through the month 8.4% Crop coefficient 0.75 . Effective root depth 85 cm Apparent specific gravity of soil 1.4 Field capacity as equivalent water depth 20 cm Wilting point as percentage by weight 12% PAD-70%. Ex4-4: Calculate the amount of needed water to irrigate farm of 200 donum area through the duration 1 April to 31 August if the annual consumptive use 0.9 m, the percentage of consumptive use through these months and effective rainfall are illustrated in table below (assume 55% irrigation efficiency and 20% conveyance losses) 2:17 1/1 X Month April May June July August Consumption percentage% 8.6 9.3 13.2 18.3 17.6 Effective rainfall, cm 0.8 1.2 3.5 3.1 2.1 Ex 4-5: The following Figure represents the relationship between irrigation depth and the percentage of area of the farm, Find the following: a. Water distribution efficiency b. Adequacy of irrigation c. Water application efficiency (irrigation efficiency) d. Water storage efficiency 120 Percentage of field area % 100 da-80 mm О Δ
Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
Fundamentals of Geotechnical Engineering (MindTap…
Fundamentals of Geotechnical Engineering (MindTap…
Civil Engineering
ISBN:
9781305635180
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Principles of Geotechnical Engineering (MindTap C…
Principles of Geotechnical Engineering (MindTap C…
Civil Engineering
ISBN:
9781305970939
Author:
Braja M. Das, Khaled Sobhan
Publisher:
Cengage Learning
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781305081550
Author:
Braja M. Das
Publisher:
Cengage Learning
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
Solid Waste Engineering
Solid Waste Engineering
Civil Engineering
ISBN:
9781305635203
Author:
Worrell, William A.
Publisher:
Cengage Learning,
SEE MORE TEXTBOOKS