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How to Grow Lotus Roots
Contributed by: Swan
  • 1. What is the optimal planting season for lotus roots in temperate climates?
A) Winter
B) Summer
C) Spring
D) Autumn
  • 2. What type of container is generally best for growing lotus roots?
A) Deep, narrow pot with drainage holes
B) Hanging basket
C) Wide, shallow container with no drainage holes
D) Clay pot with drainage holes
  • 3. What type of soil is ideal for lotus roots?
A) Heavy clay loam
B) Potting mix
C) Peat moss
D) Sandy soil
  • 4. How deep should the water be above the lotus root tuber after planting?
A) 2-4 inches
B) Completely submerged, regardless of depth
C) 10-12 inches
D) Just enough to keep the soil moist
  • 5. What is the ideal water temperature for lotus root growth?
A) 32-40°F (0-4°C)
B) Below freezing
C) 90-100°F (32-38°C)
D) 65-85°F (18-29°C)
  • 6. How much sunlight do lotus roots require?
A) At least 6 hours of direct sunlight per day
B) Full shade
C) Partial shade (2-3 hours of sunlight)
D) Indirect sunlight only
  • 7. What type of fertilizer is recommended for lotus roots?
A) Slow-release aquatic fertilizer
B) No fertilizer needed
C) Fertilizer for acid-loving plants
D) General purpose garden fertilizer
  • 8. How often should you fertilize lotus roots during the growing season?
A) Never
B) Once a year
C) Every 2-3 weeks
D) Every day
  • 9. What is a common pest that affects lotus roots?
A) Bees
B) Earthworms
C) Ladybugs
D) Aphids
  • 10. How do you typically overwinter lotus roots in colder climates?
A) Add ice to the container to keep it cold
B) Move the container indoors to a cool, dark place and keep the soil moist
C) Leave the container outdoors uncovered
D) Completely dry out the soil
  • 11. What is the primary purpose of adding a layer of gravel to the top of the soil?
A) To prevent the soil from clouding the water
B) To attract beneficial insects
C) To help the lotus root float
D) To provide nutrients to the lotus root
  • 12. When are lotus roots typically ready for harvesting?
A) Late autumn or early winter after the leaves have died back
B) Spring when new growth appears
C) Summer when the flowers are in bloom
D) Any time of the year
  • 13. What is a common method for propagating lotus roots?
A) Planting seeds directly into the water
B) Taking leaf cuttings
C) Air layering
D) Dividing the rhizomes
  • 14. What is the purpose of adding beneficial bacteria to the water?
A) To help keep the water clear and reduce algae growth
B) To make the water taste better
C) To attract fish
D) To prevent the lotus root from flowering
  • 15. What is the significance of the 'eye' on the lotus root tuber when planting?
A) It has no significance
B) It's where the new shoots will emerge
C) It determines the color of the flower
D) It indicates the age of the tuber
  • 16. What type of water is best for growing lotus roots?
A) Salt water
B) Dechlorinated tap water or pond water
C) Carbonated water
D) Distilled water
  • 17. Why is it important to remove dead leaves from the water surface?
A) They provide shade for the lotus root
B) To attract beneficial insects
C) To encourage more leaf growth
D) To prevent them from decomposing and polluting the water
  • 18. What is a common issue caused by overcrowding in a lotus container?
A) Reduced flowering and tuber production
B) Faster growth rate
C) Increased water clarity
D) More resistance to pests
  • 19. What tool is best to use for carefully harvesting lotus roots?
A) Pickaxe
B) Trowel
C) Garden hose or gentle water jet
D) Shovel
  • 20. What is the ideal pH level for the water in a lotus container?
A) 6.0 - 7.5
B) Exactly 7.0 at all times
C) Below 4.0
D) Above 9.0
  • 21. How do you ensure the lotus tuber doesn't float when initially planting?
A) Tie it to the container's side.
B) Plant it vertically with the 'eye' pointing downwards.
C) Leave it floating on the surface of the water.
D) Gently bury it horizontally and weigh it down with rocks if needed.
  • 22. What does 'rhizome' refer to in lotus cultivation?
A) The flower petals.
B) The horizontal, underground stem that produces roots and shoots.
C) The fruit or seed pod.
D) The aerial leaves.
  • 23. What is the potential consequence of using fertilizer with high nitrogen content?
A) Excessive leaf growth at the expense of flower production.
B) Improved root development.
C) Brighter flower colors.
D) Increased pest resistance.
  • 24. How does the depth of the planting container affect lotus growth?
A) Any container can accommodate any variety.
B) Deeper containers are needed for larger varieties of lotus.
C) Depth has no impact on growth.
D) Shallower containers always produce more flowers.
  • 25. What is the recommended way to prevent mosquito larvae in the water?
A) Cover the water surface with oil.
B) Add chlorine bleach to the water.
C) Completely drain and refill the container every day.
D) Introduce mosquito-eating fish or apply mosquito dunks.
  • 26. What is the benefit of using black containers for lotus?
A) They reflect sunlight, keeping the water cool.
B) They absorb heat, which can help warm the water.
C) Container color doesn't impact growth.
D) They prevent algae growth.
  • 27. What is the purpose of scarifying the lotus seed before planting (if growing from seed)?
A) To break the hard seed coat and allow water to penetrate.
B) Scarification is not necessary.
C) To disinfect the seed.
D) To fertilize the seed.
  • 28. When should you start feeding lotus plants?
A) Before planting the tuber.
B) After the first few leaves have unfolded.
C) Immediately after planting the tuber.
D) Only when the plant starts to flower.
  • 29. What is 'tuber rot', and how can it be prevented?
A) A fungal disease caused by poor water quality and drainage; prevent by using clean water and avoiding overcrowding.
B) Insect damage; prevent by applying insecticide.
C) A nutrient deficiency; prevent by adding more fertilizer.
D) Sunburn; prevent by providing shade.
  • 30. What is a key factor in achieving abundant blooms for lotus plants?
A) Planting in full shade.
B) Consistent fertilization and adequate sunlight.
C) Overwatering the plant.
D) Neglecting to fertilize at all.
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