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