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