The following data were obtained in determining soil moisture content at successive depths in root zone prior to irrigation: The bulk density of soil in root zone = 1.50 gm/cm³, Available moisture holding capacity of soil = 17.8 gm/m depth of soil. Calculate: a) The moisture contents at different depths in root zone, b) Moisture available in root zone just after irrigation, c) Net depth of water to be applied to bring the moisture content to field capacity يتم أولاً حساب الكمية الكلية للمياه التي يستهلكها المحصول في التبخر النتح خلال .ري . يلي ذلك تحديد إجمالي الاستخدام الاستهلاكي لمدة شهر واحد من خلال جمع كمياتExercise [1:The bulk density of soil in root zone= 1.50 gm/cm³, AvailableCalculate:a) The moisture contents at different depths in root zone,b) Moisture available in root zone just after irrigation,c) Net depth of water to be applied to bring the moisture content tofield capacity.Depth ofsampling (cm)Weight of moistsample (gm)Oven dry weightof sample (gm)0-25134.00126.8225 -50136.28127.9550 - 75122.95115.3275-100110.92102.64mad Habeeb obead

a) Moisture content(w) at different depths in root zonew=wwws (ww= weight of moisture,…

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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 following data were obtained in determining soil moisture content at successive depths in root zone prior to irrigation: The bulk density of soil in root zone = 1.50 gm/cm³, Available moisture holding capacity of soil = 17.8 gm/m depth of soil. Calculate: a) The moisture contents at different depths in root zone, b) Moisture available in root zone just after irrigation, c) Net depth of water to be applied to bring the moisture content to field capacity

يتم أولاً حساب الكمية الكلية للمياه التي يستهلكها المحصول في التبخر النتح خلال .
ري . يلي ذلك تحديد إجمالي الاستخدام الاستهلاكي لمدة شهر واحد من خلال جمع كميات
Exercise [1:
The bulk density of soil in root zone
= 1.50 gm/cm³, Available
Calculate:
a) The moisture contents at different depths in root zone,
b) Moisture available in root zone just after irrigation,
c) Net depth of water to be applied to bring the moisture content to
field capacity.
Depth of
sampling (cm)
Weight of moist
sample (gm)
Oven dry weight
of sample (gm)
0-25
134.00
126.82
25 -50
136.28
127.95
50 - 75
122.95
115.32
75-100
110.92
102.64
mad Habeeb obead

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