CSES 2040 - Exam 3 Study Guide
UPDATED ACTUAL Questions and
CORRECT Answers
Approximately how long did the The Age of Guano last? - CORRECT ANSWER - 50
Years
What was the Guano Islands Act? - CORRECT ANSWER - Unoccupied islands(off of
chile) that had bird poop, would belonged to the US
Fritz Haber developed (invented) which process? - CORRECT ANSWER - The Haber
Bosch process. Industrialized the atmospheric fixation of nitrogen
The Haber Bosch process does what? - CORRECT ANSWER - Is the industrial fixation of
Nitrogen
What is a guaranteed analysis? What two things are included in a Guaranteed Analysis? -
CORRECT ANSWER - On a bag of fertilizer.
1. Minimum percent nutrients in the fertilizer
2.Tell us where nutrients come from.
Who does the analysis for the guaranteed analysis? - CORRECT ANSWER - The State
Why is the P and K on the fertilizer bag reported as P2O5 and K2O? - CORRECT
ANSWER - Because we have always based on old analytical method, it has always been
this way so we keep it.
Why is ammonium nitrate fertilizer rarely used anymore? - CORRECT ANSWER -
Because it is explosive in nature, used in several bombings, now has federal controls.
, What is the difference in how soluble and slow release fertilizers release nutrients? - CORRECT
ANSWER - Soluble is available right away, and slow release is avaliable over a long
period of time.
Why is Europe imposing restrictions on polymer-coated fertilizer? - CORRECT
ANSWER - Because the plastic coating surrounding the fertilizer doesn't degrade.
What is the basic difference between organic and inorganic fertilizer? - CORRECT
ANSWER - Organic - contains carbon
Inorganic - no carbon
How does a foliar versus a suspension versus a solution differ? - CORRECT ANSWER -
Foliar - leaf low spray volume
Suspension - solids in water (requires agitation)
Solution - "true solution" doesn't separate out
Are foliar and liquid fertilizer the same thing? Why or why not? - CORRECT ANSWER -
No, foliar is applied to the leaves, liquids are soil applied.
Suspension, Solution and Foliar can be a liquid, just applied differently.
Is rock phosphate a readily available P source? - CORRECT ANSWER - No, takes several
years to leech into the soil.
What is muriate of potash? - CORRECT ANSWER - KCL - potassium Chloride.
Which extractant is used in the SE? - CORRECT ANSWER - Mehlich
For which two things (two things we measure in soil) is a saturated paste the correct extract? -
CORRECT ANSWER - 1. Soil pH
2. Electrical conductivity (EC)
UPDATED ACTUAL Questions and
CORRECT Answers
Approximately how long did the The Age of Guano last? - CORRECT ANSWER - 50
Years
What was the Guano Islands Act? - CORRECT ANSWER - Unoccupied islands(off of
chile) that had bird poop, would belonged to the US
Fritz Haber developed (invented) which process? - CORRECT ANSWER - The Haber
Bosch process. Industrialized the atmospheric fixation of nitrogen
The Haber Bosch process does what? - CORRECT ANSWER - Is the industrial fixation of
Nitrogen
What is a guaranteed analysis? What two things are included in a Guaranteed Analysis? -
CORRECT ANSWER - On a bag of fertilizer.
1. Minimum percent nutrients in the fertilizer
2.Tell us where nutrients come from.
Who does the analysis for the guaranteed analysis? - CORRECT ANSWER - The State
Why is the P and K on the fertilizer bag reported as P2O5 and K2O? - CORRECT
ANSWER - Because we have always based on old analytical method, it has always been
this way so we keep it.
Why is ammonium nitrate fertilizer rarely used anymore? - CORRECT ANSWER -
Because it is explosive in nature, used in several bombings, now has federal controls.
, What is the difference in how soluble and slow release fertilizers release nutrients? - CORRECT
ANSWER - Soluble is available right away, and slow release is avaliable over a long
period of time.
Why is Europe imposing restrictions on polymer-coated fertilizer? - CORRECT
ANSWER - Because the plastic coating surrounding the fertilizer doesn't degrade.
What is the basic difference between organic and inorganic fertilizer? - CORRECT
ANSWER - Organic - contains carbon
Inorganic - no carbon
How does a foliar versus a suspension versus a solution differ? - CORRECT ANSWER -
Foliar - leaf low spray volume
Suspension - solids in water (requires agitation)
Solution - "true solution" doesn't separate out
Are foliar and liquid fertilizer the same thing? Why or why not? - CORRECT ANSWER -
No, foliar is applied to the leaves, liquids are soil applied.
Suspension, Solution and Foliar can be a liquid, just applied differently.
Is rock phosphate a readily available P source? - CORRECT ANSWER - No, takes several
years to leech into the soil.
What is muriate of potash? - CORRECT ANSWER - KCL - potassium Chloride.
Which extractant is used in the SE? - CORRECT ANSWER - Mehlich
For which two things (two things we measure in soil) is a saturated paste the correct extract? -
CORRECT ANSWER - 1. Soil pH
2. Electrical conductivity (EC)
