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WorksheetsVegetable Industry #2D: Calculating Nutrient Amounts
Total questions: 18
Worksheet time: 10mins
A chemical or natural substance added to soil or land to increase its fertility; is the number 1 source of water pollution.
NKP
NPP
NPR
Complete fertilizers have all 3 primary macronutrients.
Is this a complete fertilizer?
yes
no
Is this a complete fertilizer?
What are the macronutrients in this fertilizer derived from?
cow manure
horse manure
poultry manure
rabbit manure
What is this fertilizer used for?
shrubs
flowers
trees
turf (grass)
vegetables
Name a micronutrient in this bag?
nitrogen
potash
carbon
copper
In a 5-10-15 fertilizer blend that weighs 50 pounds, how many pounds of potash will be in the bag?
15 pounds
18 lbs K
46 lbs K
18 lbs N
9 lbs N
20 lbs K
5 lbs K
10 lbs P
20 lbs K
10 lbs K
What percent phosphorus is in this 100 lb. bag?
10%
20%
5%
1%
If a fertilizer ratio is 10-12-10, what element does the number 12 represent?
12 represents the nitrogen content.
12 indicates the phosphorus content
12 is the total weight of the fertilizer
12 represents the potssium content.
How many pounds of soluble potash are in this fertilizer bag?
16
4
8
2
