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SOIL 1113 Exam 2 Abit Questions and Correct Answers/ Latest Update / Already Graded

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SOIL 1113 Exam 2 Abit Questions and Correct Answers/ Latest Update / Already Graded

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SOIL 1113 Exam 2 Abit Questions and
Correct Answers/ Latest Update / Already
Graded
What is soil pH?

Ans: Soil pH is a measure of the H+ concentration in the soil, or
the acidity or alkalinity of a soil solution.


What useful information can we infer from knowing soil pH?

Ans: pH determines what nutrients are available to the roots,
influences microbial activity and has a direct influence on the
growth of crops.


Circumneutral pH

Ans: near-neutral pH conditions. When pH of the soil solution
is between 6.5 - 7.5


Acidic pH

Ans: pH level less than seven


Basic pH



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Ans: pH level greater than seven


What variable is pH?

Ans: Master


What does low pH mean?

Ans: High hydrogen ion concentration


How to rehabilitate acid soils?

Ans: Apply lime


How to lower soil pH?

Ans: Use iron sulfide, organic matter, or ammonium -containing
fertilizers.


How to choose a lime?

Ans: Chemical composition, purity of lime, fineness.


What charge do soils normally have?



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