Q1: During a particular stage of the growth of a crop, consumptive use of water is 2.8 mm/day, and thePWP is 13.6 mm in terms of depth and 17% as a percentage. If the base period of the crop is 120 days,determine delta (A) when the amount of water available in the soil is: (i) 25%, (ii) 50% (iii) 75%, and (iv)0% of the maximum depth of available water in the root zone. Assume irrigation efficiency to be 65%.Q2: Answer the following:A- The field capacity and permanent wilting point for a given 0.66m root-zone soil are 45 and 8 percent,respectively. At a given time, the soil moisture in the given soil is 25 percent when a farmer irrigatesthe soil with 200mm depth of water. Assuming bulk specific gravity of the soil as 1.6, determine theamount of water wasted from the consideration of irrigation.

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Q1: During a particular stage of the growth of a crop, consumptive use of water is 2.8 mm/day, and the PWP is 13.6 mm in terms of depth and 17% as a percentage. If the base period of the crop is 120 days, determine delta (A) when the amount of water available in the soil is: (i) 25%, (ii) 50% (iii) 75%, and (iv) 0% of the maximum depth of available water in the root zone. Assume irrigation efficiency to be 65%.

Q1: During a particular stage of the growth of a crop, consumptive use of water is 2.8 mm/day, and the PWP is 13.6 mm in terms of depth and 17% as a percentage. If the base period of the crop is 120 days, determine delta (A) when the amount of water available in the soil is: (i) 25%, (ii) 50% (iii) 75%, and (iv) 0% of the maximum depth of available water in the root zone. Assume irrigation efficiency to be 65%.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter3: Weight-volume Relationships And Plasticity

Section: Chapter Questions

Problem 3.11P

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