I don't want the solution to be from artificial intelligence. If the solution is sent from artificial intelligence, I will file a complaint to the application because I have an important study Ex 4-1: The field capacity and wilting point as depth equivalent of soil are178mm and 102 mm respectively, calculate the irrigation interval if the waterconsumptive use is 5.3 mm/day

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Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively, calculate the irrigation interval if the water consumptive use is 5.3 mm/day

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Ex 4-1: The field capacity and wilting point as depth equivalent of soil are 178mm and 102 mm respectively, calculate the irrigation interval if the water consumptive use is 5.3 mm/day atent by
Q1 B: For a project the following data were measured on 20th of January morning: soil moisture content at field capacity 38%, soil moisture content at permanent wilting point 18%, initial water content 26%, root zone depth 90cm, plant consumptive use (cu-4mm/day). On 25th of January an effective rainfall of 10mm took place on the field. On 28th January evening, gross depth was applied in order to have a full irrigation. Runoff losses was 10% of net depth. Find initial water content on 31th of January. If the farm total area is (60 ha), find water duty in (N.Donum/G. m/sec) (35 marks)
a. What factors affect soil moisture stress? b. Aside from methods previously discussed, can you suggest other methods or techniques which can be used to identify moisture stress? c. Why is crop yield reduced when soil is too wet or too dry? d. Assuming that field capacity is 28%, determine the irrigation water depth required, when soil moisture is found to be 10% before irrigation. Assume root zone depth = 0.50 meter. e. If consumptive use rate is 4 mm/day and effective rainfall is on the average 1.5 mm/day, what is the interval of irrigation?
TQ2]// [A]: Given; the following data for an irrigated field. - Field capacity =20%) by wt. - Wilting point=10%) by wt. - Percentage of allowable depletion of available moisture content =65% - Effective rainfall = 20 mm. - Apparent specific gravity of the soil =1.5. Determine the net irrigation requirement per meter depth of soil. [B]: Prove that: Pw x 100 Pww Pw + 100
Q#2 The moisture holding capacity of the soil in a 100-hectare farm is 18 cm/m, the field is to be irrigated when 50% of t'ne available moisture in the root zone is depleted. The irrigation water is to be supplied by a pump working for 10 hours a day, and water application efficiency is 75%. Details of crops planned for cultivation area are as follows: Root z'one depth (m) Peak rate of moisture use (mm/day) 5 4 Crop X Y Solve for 1) The capacity of irrigation system required, to irrigate crop X in 36 hectares. 2) The area of crop Y that can be irrigated when the available capacity of irrigation is 40 L/s. 1 0.8
IQ2]// [A]: Given; the following data for an irrigated field. - Field capacity =20%) by wt. - Wilting point=10%) by wt. Percentage of allowable depletion of available moisture content =65% - Effective rainfall = 20 mm. Apparent specific gravity of the soil =1.5. Determine the net irrigation requirement per meter depth of soil.
Following data are given: 1. Available moisture holding capacity of soil-12.5cm/m depth of soil 2. Root zone depth of crop=0.8m 3. Consumptive use=5mm/day If moisture depletion is allowed to 50% of available moisture then the frequency of irrigation will be ___days.
Third Stage Irrigation and Drainage Exgincring Group D: Qr: The water content at the field capacity is 27.2% by weight and it was 19% by weight for irrigation (wilting point), depth of the root zone is 0.92m and the apparent specific gravity is Mr. Maarnar ALTau 1.3. Find: 1. The depth of water required to reach moisture in this soil to its field capacity. 2. The time required to irrigate 12 mishara in discharge equal to 75 /s and 65% the efficiency of irrigation (Ea).
(b) Calculate the frequency of watering to ensure efficient irrigation for the given crop, if Field capacity of soil = 30 % Permanent wilting point = 12 % Dry density of soil = 15 kN/m Effective depth of root zone = 750 mm Daily consumptive use of water = 10 mm
The field capacity and permanent wilting point for a given 0.8 m root zone soil are 35% and 10% respectively. At a given time, the soil moisture in the soil is 20% when a farmer irrigates the soil with 250 mm depth of water. Assuming bulk specific gravity of the soil is 1.6, determine amount of water wasted from consideration of irrigation? ( take the plan area of the soil in root zone to be 1 m²)
The moisture content of a soil is to be increased up to the field capacity of 28% from 21% through irrigation of the field. Determine the depth of water to be irrigated (in mm) if the effective root zone is at a depth of 70 cm. Take density of soil as 1.3 g/cm3 and that of water as 1.0 g/cm3.