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