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 advantage does liquid fertilizer have over solid fertilizer?

No subsequent watering required

Lasts longer

Its action is faster and more dosable

It is applied once per season

2 / 20

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

Hanagokoro

Ammonium nitrate

Monoammonium phosphate

Urea

3 / 20

Which micronutrient is most closely related to chlorophyll synthesis?

Iron

Calcium

Potassium

Boron

4 / 20

What is organic fertilizer?

A fertilizer with pure minerals

A fertilizer derived from animal or plant remains

A mixture of natural chemicals

A fertilizer with synthetic NPK

5 / 20

What role do microorganisms play in the fertilized substrate?

They grow thicker roots

They eliminate unnecessary nutrients

They transform organic fertilizers into available nutrients

They maintain the acidic pH

6 / 20

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

Rich in nitrogen

With balanced NPK

Low in nitrogen, high in phosphorus and potassium

Only with magnesium and calcium

7 / 20

What role does magnesium play in bonsai nutrition?

It is part of the chlorophyll molecule

It intervenes in lignification

Increases flowering

Stimulates potassium absorption

8 / 20

Which nutrient primarily promotes root and flower development?

Calcium

Magnesium

Phosphorus

Nitrogen

9 / 20

Which substrate has good cation exchange capacity?

River sand

Akadama

Perlite

Volcanic gravel

10 / 20

Why is substrate pH important when fertilizing?

Affects leaf development

It influences the speed of irrigation

Controls humidity

Regulates the availability of nutrients

11 / 20

What indicates a potassium deficiency?

Thick and healthy roots

Very large leaves

Necrotic edges on leaves

Intense sprouting

12 / 20

What fertilization is recommended for fattening trees?

Liquid fertilizers every week

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

Only micronutrients

Low nitrogen, high phosphorus

13 / 20

What problem can an excess of nitrogen cause?

Early lignification

Small leaves

Weak growth and increased susceptibility to pests

Slow sprouting

14 / 20

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

Potassium deficiency

Iron deficiency

Lack of irrigation

Excess nitrogen

15 / 20

What is the main effect of nitrogen on bonsai?

Promotes flowering

Stimulates the growth of leaves and shoots

Increases resistance to cold

Improves lignification

16 / 20

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

Ability to release oxygen

Ability to retain and release positively charged nutrients

Ability to eliminate salts

Water retention capacity

17 / 20

What does the acronym NPK mean on bonsai fertilizers?

Nitrogen, Potassium, Magnesium

Nitrogen, Potassium, Calcium

Nitrogen, Phosphorus, Potassium

Nitrogen, Phosphorus, Zinc

18 / 20

What is a substrate lock?

When the roots are compressed

When the substrate hardens

When nutrients are not absorbed properly

When water accumulates

19 / 20

What is the main function of potassium in fertilizer?

Stimulates sprouting

Suppresses growth

Improves disease resistance

Activates microorganisms

20 / 20

Which micronutrient is essential to prevent interveinal chlorosis?

Potassium

Phosphorus

Iron

Calcium

Your score is

The average score is 85%

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Quiz: 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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