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