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