1. Using any resource available to you, answer the following questions. Response

Question

1. Using any resource available to you, answer the following questions. Responses should be typed, double spaced and well organized with a neat, professional appearance. Grammar and spelling MUST BE correct (Note: pH is pH not Ph). If you use a resource, be certain to properly cite the resource. You can use the citation builder available on the D.H. Hill Library’s web site: www.lib.ncsu.edu/citationbuilder/ a. Define active, salt-replaceable, and residual acidity (6 pts)

b. Describe the various sources of acidity (6 pts)

c. Define lime and explain how it works (6 pts)

d. Define buffering capacity and explain how it works (6 pts)

Explanation / Answer

a.Define active, salt-replaceable and residual acidity

soil water solution.

when shaken with a neutral (pH 7) salt solution.

the residual salts are removed is defined as Residual acidity.

Various sources of acidity:

Define Lime and explain how it works.

Lime is a soil additive to make the soil healthy especially for agriculture to achieve proper pH balance. Also called Agricultural Lime, it increases the pH of acidic soil and increases the alkalinity. It helps the poorly developed root because of acidity. It improves the soil structure and helps in regulating the water flow in acidic soils. Lime promotes earthworm activity throughout the soil.

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