Quiz : ¿Cuánto sabes sobre el abonado de bonsáis?

Bonsai Fertilizer Quiz

🧪 How much do you know about bonsai fertilizer?

Are you fertilizing your bonsais correctly? Find out with this 25-question technical and educational quiz that will test your knowledge of chemical and organic fertilizers, the role of NPK nutrients, essential microelements, substrates with cation exchange capacity, substrate blockages, and much more.

Whether you're just starting out or already have experience, this test will help you spot common mistakes, reinforce key concepts, and improve the health and vigor of your trees.

✔️ Ideal for demanding amateurs and advanced bonsaists
✔️ Learn while you answer
✔️ Improve your fertilization technique and avoid serious mistakes

1 / 20

What role does magnesium play in bonsai nutrition?

Increases flowering

It intervenes in lignification

Stimulates potassium absorption

It is part of the chlorophyll molecule

2 / 20

What is the main effect of nitrogen on bonsai?

Promotes flowering

Improves lignification

Stimulates the growth of leaves and shoots

Increases resistance to cold

3 / 20

Which micronutrient is essential to prevent interveinal chlorosis?

Calcium

Phosphorus

Iron

Potassium

4 / 20

What indicates a potassium deficiency?

Intense sprouting

Thick and healthy roots

Necrotic edges on leaves

Very large leaves

5 / 20

What does the acronym NPK mean on bonsai fertilizers?

Nitrogen, Potassium, Calcium

Nitrogen, Potassium, Magnesium

Nitrogen, Phosphorus, Potassium

Nitrogen, Phosphorus, Zinc

6 / 20

What fertilization is recommended for fattening trees?

Liquid fertilizers every week

High nitrogen accompanied by the rest of the essential macros and micros

Low nitrogen, high phosphorus

Only micronutrients

7 / 20

What problem can an excess of nitrogen cause?

Small leaves

Weak growth and increased susceptibility to pests

Slow sprouting

Early lignification

8 / 20

What does interveinal chlorosis with green veins indicate in young leaves?

Excess nitrogen

Potassium deficiency

Iron deficiency

Lack of irrigation

9 / 20

What is a substrate lock?

When water accumulates

When the roots are compressed

When the substrate hardens

When nutrients are not absorbed properly

10 / 20

Which nutrient primarily promotes root and flower development?

Calcium

Phosphorus

Nitrogen

Magnesium

11 / 20

Why is substrate pH important when fertilizing?

It influences the speed of irrigation

Affects leaf development

Controls humidity

Regulates the availability of nutrients

12 / 20

What does “cation exchange capacity” (CEC) mean?

Ability to release oxygen

Water retention capacity

Ability to eliminate salts

Ability to retain and release positively charged nutrients

13 / 20

What fertilizer is ideal for preparing bonsai for winter in autumn?

With balanced NPK

Rich in nitrogen

Only with magnesium and calcium

Low in nitrogen, high in phosphorus and potassium

14 / 20

What is the main function of potassium in fertilizer?

Stimulates sprouting

Activates microorganisms

Suppresses growth

Improves disease resistance

15 / 20

Which of these is a popular organic solid fertilizer for bonsai?

Hanagokoro

Urea

Monoammonium phosphate

Ammonium nitrate

16 / 20

Which substrate has good cation exchange capacity?

River sand

Volcanic gravel

Perlite

Akadama

17 / 20

What advantage does liquid fertilizer have over solid fertilizer?

Its action is faster and more dosable

No subsequent watering required

It is applied once per season

Lasts longer

18 / 20

What is organic fertilizer?

A mixture of natural chemicals

A fertilizer derived from animal or plant remains

A fertilizer with synthetic NPK

A fertilizer with pure minerals

19 / 20

Which micronutrient is most closely related to chlorophyll synthesis?

Calcium

Potassium

Iron

Boron

20 / 20

What role do microorganisms play in the fertilized substrate?

They maintain the acidic pH

They grow thicker roots

They eliminate unnecessary nutrients

They transform organic fertilizers into available nutrients

Your score is

The average score is 85%

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Quiz: How much do you know about bonsai fertilizer?

🧪 How much do you know about bonsai fertilizer?

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Quiz: How much do you know about bonsai fertilizer?

🧪 How much do you know about bonsai fertilizer?

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