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Nutrient Management Exam 1
Terms in this set (30)
Which is true of a guaranteed analysis?
ensures, by law, the maximum nutrient content in a fertilizer
Analysis (%N-P205-K20) of (NH4)2SO4
Difference between a foliar and a liquid?
liquids are often also soil applied
An example of a fertilizer only supplied as a liquid (fluid, solution)
A nitrification inhibitor does what?
slows conversion of ammonium to nitrate
The Haber-Bosch process produces what, at the final step?
Analysis (%N-P2O5-K20) of diammonium phosphate
What is true of biuret?
some crops are sensitive to urea with high (>3%) biuret (citrus)
As the percent N content of UAN increases from 28 to 30 to 32 percent, what will happen?
it will 'salt out' at warmer temperatures (comes out of solution)
Stored as a liquid under pressure, injected as a gas:
Which is true of MAP?
immediately after application soil pH is 3.5-4.2
Our first inorganic synthetic N fertilizer
What controls the rapidity of N release form methylene urea N fertilizer?
length of the fertilizer chain
example of a circular methylene urea N fertilizer
Our oldest example of a physically slow-release N fertilizer
sulfur coat urea
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