Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 35, Problem 3TYK
Summary Introduction
Introduction:
Soil is a blend of minerals, gases, organic matter, liquids, and microbes that support life altogether. One of the crucial functions of soil is to act like a growth medium for plants. Soil fixes the root of the plant and is the chief source of water and inorganic compounds that is required by plants. Soil is formed due to the weathering of rock and various inorganic particles present in the earth's crust.
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We have 2 types of soils. One soil has bulk density of 2.75g/cm^3; second has bulk density of 1.5g/cm^3. What guess will we get from this information about the following soil properties for both soils?
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Chapter 35 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 35.1 - Prob. 1SBCh. 35.1 - Do all plants require the same basic nutrients in...Ch. 35.2 - Prob. 1SBCh. 35.2 - Prob. 2SBCh. 35.2 - Prob. 3SBCh. 35.3 - Prob. 1SBCh. 35.3 - Distinguish between nitrogen fixation,...Ch. 35.3 - Prob. 3SBCh. 35 - Prob. 1TYKCh. 35 - Prob. 2TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Name the following as soil forming processes:
a. Soil erosion
b. Formation of humus
c. Weathering of sand
d. Nutrients absorbed by plant roots
e. deposition of organic matter
f. Leaching of water along with dissolved ions
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Which of the following is not a soil structure types?
Group of answer choices
True
False
a) Granular,
b) Crystalline
c) Angular blocky
d) Columnar/prismatic
e) Platy
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A. The weathering and erosion in the area happens deep under the soil so the area looks unaffected
B. Less sediment flows into the area because the vegetation soaks up all the water and makes its drier.
C .the high amount of vegetation in the area causes more roots to hold the soil in place against weathering.
D. The high amount of vegetation in the area causes an increase in oxygen causing stronger more stable soil.
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Field Capacity occurs at a water concentration when;
Group of answer choices
a. The water attached to the soil particle can’t be pulled off by the plant.
b. When the soil is saturated
c) All free water has drained from the soil and that remaining is held to the soil particle against gravitational pull.
d) All of the above
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Permanent Wilting point occurs at a water concentration when
Group of answer choices
a. The water attached to the soil particle can’t be pulled off by the plant.
b. When the soil is saturated
c. All free water has drained from the soil and that remaining is held to the soil particle against gravitational pull.
d) All of the above
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Cation Exchange capacity is:
Group of answer choices
a. The amount of cations that can be held by a given mass of soil.
b. Affected by soil texture
c. Affected by the amount of organic matter/Humus in a soil.
d. Affected by the amount of clay in a given soil
e) All of the above
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Based on temperature requirements which of the following is not correct?*
a. Coconut and mango are tropical crops
b. Asian rice and wheat are cool season crops
c. Citrus species are sub-tropical crops
d. Cruciferous vegetables are cool season crops
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For which of the following problems would growing and maintaining cover crops be an appropriate solution?
Erosion is thinning the soil on a farm.
The organic matter and nutrients in the soil on a farm are being depleted.
The soil on a farm is becoming arid due to decreased water-carrying capacity.
a
I and II only
b
I and III only
c
II and III only
d
I, II, and III
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Name three human activities that can promote soil erosion.Describe several farming techniques (such as terracing andno-till farming) that can help reduce the risk of erosion.
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Analyze each statement (A and B) whether they are true or false. Use the choices below in answering each item;
A statement A is true
B statement B is true
C both A and B are true
D neither A nor B are true
(A) A soil with low particle density contains low levels of organic matter. (B) A soil with high particle density contains high levels of organic matter.
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When Chris mows the grass, she faces a choice between discarding the clippings and leaving them on the lawn. How would each choice influence the nutrient content of the soil? Explain your answer
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Soil particles may be held together by which of the following to form aggregates?
Group of answer choices
a) Humus
b) Clay
c) Iron Oxides
d) All of the above
e. None of the above
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