Test Your Knowledge With Our Fun Fertilizer Facts Quiz!
We know that the numbers on the fertilizer bag can be confusing—what do they really mean? Let’s test your knowledge and learn some fun fertilizer facts with this quiz. Your plants will thank you.
So, what do those fertilizer numbers stand for anyway?
I-D-K - I Don’t Know
N-P-K - Nitrogen (N) Phosphorus (P) Potassium (K)
C-Mg-K - Calcium (C) Magnesium (Mg) Potassium (K)
N-P-O - Nitrogen (N) Potash (P) Oxygen (O)
Which one of the following is incorrect?
Nitrogen is used to promote green growth
Potassium is used to promote overall plant health
Phosphorus is used to make plants grow faster
Phosphorus is used to promote blooming
What do the numbers on the bag actually mean? A fertilizer that is 10-50-10 has:
1 part nitrogen, 5 parts phosphorus, 1 part potassium
10 parts nitrogen, 50 parts phosphorus, 10 parts potassium
100 parts potassium, 500 parts phosphorus, 100 parts nitrogen
I just ask every time I buy fertilizer
A fertilizer that is 20-20-20 would be called a:
Perfect fertilizer
Universal fertilizer
Equal Fertilizer
Balanced Fertilizer
What does it mean when a fertilizer is considered “high analysis”?
It overanalyzes everything
It has high nutrient levels
You can apply it on anything and everything
It is mostly filler
True or false? Low analysis fertilizer means the nutrient levels in the fertilizer are higher than high analysis fertilizer.
True
False
True or false? A 15-30-15 fertilizer would be considered high analysis.
True
False
Which of the following is not true? Low-analysis fertilizer:
Is still valuable, even though it has high levels of filler
Is easier to use than high-analysis fertilizer
Can be applied more frequently
Is not as valuable as high-analysis fertilizer
The filler in a fertilizer is essential because:
It allows the fertilizer to be more affordable for the consumer
It helps keep the bits of fertilizer evenly distributed
It allows for the distributors to stretch out their product to make more $$$
It ensures that the fertilizer is not too potent
Often organic fertilizers have trace amounts of micronutrients, like boron, chlorine, copper, etc. Which of the following statements is NOT true?
If a fertilizer does not mention micronutrients, it is useless
Micronutrients help plants use nutrients efficiently
The trace amounts are low enough that they don’t need to be measured, but they are still important
The micronutrients are essential to keeping the plants thriving
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Yikes!
You’re quite new to fertilizer facts, but it’s a complicated business! There is a lot to learn and no one really knows it all.
You're no rookie!
You have been purposefully fertilizing for some time, and you have done some research on how to use it. There is always more to learn on this vast topic!
You're a fertilizing pro!
This is not an easy area of plants and gardening, but you know your stuff! Your garden must be lush and your houseplants are probably very happy!