Understanding Types of Fertilizers

What are the primary nutrients found in NPK fertilizers?

• Sodium, Chlorine, Sulfur

• Copper, Manganese, Zinc

• Calcium, Magnesium, Iron

• Nitrogen, Phosphorus, Potassium

Which type of fertilizer provides only one nutrient?

• Compound Fertilizer

• Organic Fertilizer

• Mixed Fertilizer

• Single Dressing Fertilizer

What is a disadvantage of using chemical fertilizers?

• They are less effective than organic fertilizers

• They improve soil structure

• They can increase soil acidity

• They are always organic

Which type of fertilizer is a mixture of two or more straight fertilizers?

• Organic Fertilizer

• Single Dressing Fertilizer

• Mixed Fertilizer

• Compound Fertilizer

What is the pH range suitable for growing orchids?

• pH 7.5 - pH 8.5

• pH 6.0 - pH 7.0

• pH 4.0 - pH 5.0

• pH 5.5 - pH 6.5

What is a characteristic of compound fertilizers?

• They are only used for specific plants

• They are mixed chemically

• They are always liquid

• They contain only organic materials

Which crop is reported to use the most fertilizers in Malaysia?

• Rice

• Corn

• Soybean

• Wheat

What is a benefit of using mixed fertilizers?

• They require more labor to apply

• They are more expensive than single fertilizers

• They provide balanced nutrition

• They are less effective than single fertilizers

What is a common issue with using single dressing fertilizers?

• They are too expensive

• They are not effective for all plants

• They can leach away easily

• They are difficult to apply

Which of the following is NOT a trace element mentioned?

• Zinc

• Calcium

• Copper

• Boron