AGRONOMY EXAM QUESTIONS AND ANSWERS
UPDATED #6
Cohesion is: - correct answer Attraction between molecules of the same substance
Adhesion is: - correct answer attraction between molecules of different substances
On a fertilizer bag, number represents: - correct answer (P2O5- middle) (nitrogen front.)
(K2O last)
The formula for ammonium phosphate is: - correct answer (NH4)3PO4
The formula for ammonium sulfate is: - correct answer (NH4)2SO4
Conversions - correct answer - 1 acre = 43,56- sq ft
- 1 Section= 640 Acre= 1 mile squared
- 1 gallon= 4 qts= 8 pts=16 cups=128 fl oz
When old growth is yellow, which nutrient is most likely limiting? - correct answer
Nitrogen
When new growth is yellow, which nutrient is most likely limiting? - correct answer Iron
Nitrogen as nitrate can leach out of the root zone with percolating rainwater - correct
answer true
Phosphorus is likely to leach out of the root zone with percolating rain water. - correct
answer False
Which of the following can limit growth? Select the best answer. - correct answer Space
Water
Light
Phosphorus
Nitrogen
Which of the following is most likely limiting growth? - correct answer Either water or
nitrogen
Microbes can also use the nutrients in the fertilizers applied to plants. - correct answer
true
Turfgrass areas that have built up organic matter over time require less fertilizer than
newly planted areas. - correct answer True
After a rain, what water is most available to plants? - correct answer Cohesive water
UPDATED #6
Cohesion is: - correct answer Attraction between molecules of the same substance
Adhesion is: - correct answer attraction between molecules of different substances
On a fertilizer bag, number represents: - correct answer (P2O5- middle) (nitrogen front.)
(K2O last)
The formula for ammonium phosphate is: - correct answer (NH4)3PO4
The formula for ammonium sulfate is: - correct answer (NH4)2SO4
Conversions - correct answer - 1 acre = 43,56- sq ft
- 1 Section= 640 Acre= 1 mile squared
- 1 gallon= 4 qts= 8 pts=16 cups=128 fl oz
When old growth is yellow, which nutrient is most likely limiting? - correct answer
Nitrogen
When new growth is yellow, which nutrient is most likely limiting? - correct answer Iron
Nitrogen as nitrate can leach out of the root zone with percolating rainwater - correct
answer true
Phosphorus is likely to leach out of the root zone with percolating rain water. - correct
answer False
Which of the following can limit growth? Select the best answer. - correct answer Space
Water
Light
Phosphorus
Nitrogen
Which of the following is most likely limiting growth? - correct answer Either water or
nitrogen
Microbes can also use the nutrients in the fertilizers applied to plants. - correct answer
true
Turfgrass areas that have built up organic matter over time require less fertilizer than
newly planted areas. - correct answer True
After a rain, what water is most available to plants? - correct answer Cohesive water
