A) 6.0-7.5 B) 8.0-9.0 C) 5.0-6.0 D) 4.5-5.5
A) 5-10°C (41-50°F) B) 25-30°C (77-86°F) C) 30-35°C (86-95°F) D) 15-20°C (59-68°F)
A) Late spring B) Late summer/Early fall C) Mid-summer D) Early spring
A) Full sun (6+ hours) B) Partial shade (3-6 hours) C) Dappled shade D) Full shade (less than 3 hours)
A) High in phosphorus B) High in nitrogen C) High in potassium D) Balanced NPK
A) 1/4 to 1/2 inch B) 2 inches C) 3 inches D) 1 inch
A) 6-8 inches B) 24-30 inches C) 12-18 inches D) 4-6 inches
A) Prevents bolting and splitting B) Slows growth C) Attracts pests D) Increases bitterness
A) Leaf discoloration B) Stunted growth C) Root rot D) Premature flowering
A) Aphids B) Cabbage worms C) Spider mites D) Grasshoppers
A) Rust B) Powdery mildew C) Clubroot D) Black spot
A) Neem oil B) Bacillus thuringiensis (Bt) C) Copper fungicide D) Insecticidal soap
A) Overwatering B) Maintain proper soil pH C) Using acidic fertilizer D) Planting in shade
A) When the leaves are small and loose B) When the head is firm and compact C) When the leaves turn yellow D) When the plant flowers
A) Cut the head at the base B) Pull the plant out of the ground C) Remove individual leaves D) Break the head off
A) A few days at room temperature B) A few months in the freezer C) Several weeks in the refrigerator D) A week in the refrigerator
A) Sandy soil B) Well-draining soil C) Clay soil D) Compacted soil
A) Amend with compost or other organic matter B) Add clay only C) Add sand only D) Leave the soil compacted
A) Planting the seeds very deep. B) Planting only heirloom varieties. C) Planting small batches at intervals. D) Planting only hybrid varieties.
A) To reduce watering needs B) To increase sunlight exposure C) To prevent soilborne diseases D) To improve soil compaction
A) Cucurbitaceae (Gourd family) B) Brassicaceae (Mustard family) C) Asteraceae (Sunflower family) D) Solanaceae (Nightshade family)
A) Kale B) Napa cabbage C) Iceberg lettuce D) Spinach
A) To provide adequate spacing B) To reduce watering needs C) To encourage bolting D) To prevent pests
A) Retains moisture B) Reduces sunlight exposure C) Attracts pests D) Increases soil temperature
A) Nitrogen B) Potassium C) Calcium D) Phosphorus
A) Faster growth B) Pest control C) Reduced watering needs D) Increased sunlight
A) Gravel B) Sand C) Clay D) Straw
A) Regularly, keeping the soil consistently moist B) Every other day C) Only when the leaves wilt D) Once a week
A) Overhead watering B) Watering during the hottest part of the day C) At the base of the plant D) Watering the leaves only
A) Gradually acclimating them to outdoor conditions B) Exposing them to extreme heat C) Keeping them indoors permanently D) Planting them directly outdoors without preparation |