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 calculate the equivalent moisture content as equivalent depth for 1.2m root zone: A. At permanent wilting point B. At field capacity C. For ready available water

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 calculate the equivalent moisture content as equivalent depth for 1.2m root zone: A. At permanent wilting point B. At field capacity C. For ready available water

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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The soil has a field capacity of 22% and a permanent wilting point of 12% both on a dry mass basis. The apparent specific gravity is 1.4. If the rootzone depth is 1.0 m and the management allowable deficit is 50%, the net application depth is: Select one: a. 70 mm b. 50 mm c. 60 mm d. 80 mm
6. The soil moisture at field capacity is 30% (dry-mass or weight basis) and at wilting point it is 12%. Allow 4 of the total available moisture to be retained in the soil before applying irrigation water. For a 1-m soil depth to be wetted and having 1.4 g/cm³ bulk density compute the: a) soil moisture content at the time of irrigation b) ha-cm/ha of water needed to bring the soil moisture back to field capacity. c) amount of water (in cm) in the soil at field capacity, d) amount of water (in cm) in the soil at the time of irrigation, e) amount of water (in cm) in the soil at wilting point.
Q#4b) Compare optimum moisture content with wilting point water content?
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The field water capacity of a soil is 35%, and the permanent wilting point of the soil is 15% by weight. The dry bulk density of the soil is 78 lb/ft3. Determine the available water content in percent by weight and by volume. Also determine the plant available water soil water content in the top 2 ft of soil. Express the answer as a depth of water in inches.
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Q3) If; the field capacity and wilting point are 30% and 10%, respectively, the dry unit weight of soil is 1.4 gm/cm3, and depth of root zone is 1.Om.The equivalent depth of moisture content available of .evapotranspiration is * 280 mm O 300 mm O 350 mm O 100 mm (
Determine the soil loss for the following conditions: Location: Yakima, Washington, K =0.02 Mg/ha-year, l = 90 m, s = 5%, C = 0.12 (approximate for rowcrop after meadow rotation with good management, no terraces).
Please give me right solution according to the question. Don't copy from other websites. Depth of roots zone, dr. is 1.8 (m) in a farm its area is 50 (Hectare). The initial moisture content of the soil in roots zone, (w.)i%, is 15% and wanted to raise it to its saturated condition, (w),% is 45%. Compute the volume of irrigation water needed to saturate the soil in Roots zone. Compute the volume of drained water (Vwd from the Roots zone. Field capacity of the soil (wv))% =32 %.
Eggplant is planted in a well-drained, fertile, sandy loam soil. It has a maximum effective rooting depth of 2 feet. Soil samples were taken from the root zone to determine the moisture status of the soil at the time of irrigation. The apparent specific gravity of the soil is 1.6. The fresh weight and dry weight of soil sample is 100.2 g and 94.3 g, respectively. Determine the following: a. Moisture content in dry weight basis b. Moisture content in volume basis c. Depth of water in mm
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