A) Cold and dry temperate B) Hot and arid desert C) Warm and humid subtropical D) Cool and mountainous alpine
A) Waterlogged peat B) Pure sand C) Heavy clay D) Well-drained, sandy loam
A) 4.0-5.0 B) 6.0-7.5 C) 8.0-9.0 D) 9.5-10.5
A) Grafting B) Direct seeding C) Root cuttings D) Air layering
A) Mid-winter B) Late autumn C) Dry season D) Spring or early summer
A) 3-4 meters B) 10-12 meters C) 1-2 meters D) 6-8 meters
A) To attract pests B) To stunt growth C) To improve fruit production and tree shape D) To prevent flowering
A) Phosphorus B) Nitrogen C) Calcium D) Potassium
A) Regularly, especially during dry periods B) Very sparingly to encourage deep roots C) Only during the rainy season D) Never, they are drought-tolerant
A) Praying mantis B) Ladybug C) Earthworm D) Citrus psyllid
A) Powdery mildew B) Citrus canker C) Tomato blight D) Rose black spot
A) Ignoring leaf spots B) Overwatering C) Nitrogen-rich fertilizer D) Copper sprays and sanitation
A) Pruning the branches B) Applying fertilizer C) Removing a ring of bark to promote fruiting D) Wrapping the trunk with cloth
A) Gradually acclimating seedlings to outdoor conditions B) Applying fertilizer C) Pruning the roots D) Keeping them in a dark room
A) A lawn fertilizer B) No fertilizer is needed C) A high-nitrogen fertilizer D) A balanced citrus fertilizer
A) Depletes soil nutrients B) Increases soil temperature C) Conserves moisture and suppresses weeds D) Attracts pests and diseases
A) 0-10% B) 90-100% C) 20-40% D) 60-80%
A) Root aeration B) Pollination C) Fertilizer application D) Pest control
A) In direct sunlight B) In water C) In a cool, dry place D) In a warm, humid place
A) To increase humidity B) To protect trees from strong winds C) To block sunlight D) To attract pollinators
A) To increase the number of fruit B) To improve the size and quality of remaining fruit C) To prevent pests D) To stunt tree growth
A) When the fruit turns slightly yellow and feels heavy B) When the fruit is completely dry C) When the fruit falls off the tree D) When the fruit is still green and hard
A) To increase soil temperature B) To attract pollinators C) To provide shelter for beneficial insects D) To reduce competition for nutrients and water
A) To prevent flowering B) To provide disease resistance and adaptability C) To increase fruit size D) To change the fruit flavor
A) Promotes waterlogging B) Decreases nutrient availability C) Prevents root rot D) Increases soil salinity
A) Wrap the trunk and branches with burlap or frost cloth B) Remove all mulch C) Prune heavily D) Water excessively
A) Dark green leaves B) Abundant flowering C) Yellowing leaves D) Thick branches
A) Climate suitability B) Leaf shape C) Branch thickness D) Fruit color
A) Increase soil acidity B) Improve soil health and suppress weeds C) Attract pests D) Deplete soil nutrients
A) Enhance nutrient uptake B) Attract pests C) Cause root rot D) Prevent photosynthesis |