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