How to Cultivate Langsats
  • 1. What climate is ideal for Langsat cultivation?
A) Tropical
B) Subarctic
C) Arid
D) Temperate
  • 2. What is the preferred soil type for Langsats?
A) Rocky
B) Well-drained loam
C) Sandy
D) Clay
  • 3. At what age do Langsat trees typically begin to bear fruit?
A) 5-7 years
B) 15-20 years
C) 10-12 years
D) 1-2 years
  • 4. What propagation method is commonly used for Langsats?
A) Cutting
B) Grafting
C) Seed
D) Layering
  • 5. What is the optimal pH level for Langsat soil?
A) 8.5-9.5
B) 4.0-5.0
C) 5.5-6.5
D) 7.0-8.0
  • 6. Which of these pests is a common threat to Langsat trees?
A) Spider mites
B) Aphids
C) Caterpillars
D) Fruit borers
  • 7. What type of fertilizer is generally recommended for Langsats?
A) Balanced NPK
B) Nitrogen-rich
C) Potassium-rich
D) Phosphorus-rich
  • 8. How often should Langsat trees be watered during dry seasons?
A) Regularly
B) Once a month
C) Never
D) Rarely
  • 9. What is the ideal spacing between Langsat trees in an orchard?
A) 1-2 meters
B) 5-6 meters
C) 2-3 meters
D) 8-10 meters
  • 10. What is the primary purpose of pruning Langsat trees?
A) Increase fruit size
B) Reduce water consumption
C) Prevent disease
D) Improve air circulation
  • 11. What color does ripe Langsat fruit typically exhibit?
A) Purple
B) Yellowish-brown
C) Red
D) Green
  • 12. Which of the following is a sign of overwatering in Langsat trees?
A) Yellowing leaves
B) Faster growth
C) Dark green leaves
D) Increased fruit production
  • 13. Why is proper drainage important for Langsat cultivation?
A) Attracts pollinators
B) Prevents root rot
C) Increases nutrient absorption
D) Reduces soil erosion
  • 14. What should be done to prevent sunburn on young Langsat trees?
A) Provide shade
B) Apply fertilizer
C) Increase watering
D) Prune heavily
  • 15. Which element promotes strong root development in Langsats?
A) Phosphorus
B) Nitrogen
C) Potassium
D) Calcium
  • 16. What is the benefit of mulching around Langsat trees?
A) Attracts pests
B) Conserves moisture
C) Increases soil pH
D) Reduces soil temperature
  • 17. Which harvesting method is best for Langsat fruits?
A) Let the fruit fall
B) Pull the fruit
C) Cut the stem with clippers
D) Shake the tree
  • 18. What type of grafting is most commonly used for Langsats?
A) Approach grafting
B) Cleft grafting
C) Bud grafting
D) Whip grafting
  • 19. What is the purpose of applying fungicide to Langsat trees?
A) Kill insects
B) Increase fruit size
C) Prevent fungal diseases
D) Promote growth
  • 20. Which of the following is NOT a recommended pruning tool?
A) Pruning saw
B) Pruning shears
C) Axe
D) Loppers
  • 21. What is the best time of day to water Langsat trees?
A) Early morning
B) Midday
C) Late afternoon
D) Evening
  • 22. What can be done to improve pollination in Langsat orchards?
A) Apply fertilizer
B) Increase watering
C) Introduce pollinators
D) Remove flowers
  • 23. How should you store Langsat fruit after harvesting?
A) Warm and humid place
B) Cool and dry place
C) In direct sunlight
D) In water
  • 24. What is the meaning of 'NPK' in fertilizer composition?
A) None of the above
B) Nutrient, Protein, Kalium
C) Natural, Plant, Kulture
D) Nitrogen, Phosphorus, Potassium
  • 25. Why is it important to remove weeds around Langsat trees?
A) Attract pollinators
B) Reduce competition for resources
C) Reduce soil temperature
D) Increase soil pH
  • 26. Which disease causes dark spots on Langsat fruits and leaves?
A) Root rot
B) Leaf rust
C) Anthracnose
D) Powdery mildew
  • 27. What type of soil amendment can improve drainage in clay soils?
A) Lime
B) Sand
C) Clay
D) Organic matter
  • 28. Why is wind protection important for Langsat trees?
A) Reduces water consumption
B) Prevents branch breakage
C) Prevents sunburn
D) Increases pollination
  • 29. What is the ideal humidity level for Langsat growth?
A) High humidity
B) Moderate humidity
C) No humidity
D) Low humidity
  • 30. Which benefit does companion planting offer to Langsat trees?
A) Improved soil pH
B) Pest control
C) Increased fruit size
D) Faster growth rate
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