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