A) Growing plants only in greenhouses. B) Growing plants without soil. C) Growing plants with special soil. D) Growing plants only with organic nutrients.
A) Potassium B) Nitrogen C) Carbon Dioxide D) Phosphorus
A) Electrical Conductivity (nutrient concentration) B) Evaporation Coefficient C) Energy Consumption D) Environmental Control
A) 5.5 - 6.5 B) 4.0 - 5.0 C) 7.0 - 8.0 D) 8.5 - 9.5
A) Wick System B) Deep Water Culture (DWC) C) Ebb and Flow (Flood and Drain) D) Nutrient Film Technique (NFT)
A) To heat the nutrient solution. B) To increase oxygen levels in the nutrient solution. C) To circulate the nutrient solution. D) To filter the nutrient solution.
A) DWC B) Wick System C) Ebb and Flow D) NFT
A) To regulate the pH of the nutrient solution. B) To provide nutrients to the plant. C) To provide support for the plant roots. D) To filter the nutrient solution.
A) Clay soil B) Rockwool C) Sand D) Topsoil
A) To provide energy for photosynthesis. B) To sterilize the grow media. C) To attract pollinators. D) To regulate the temperature of the nutrient solution.
A) Metal Halide B) HPS C) LED D) Incandescent
A) To increase the size of the roots. B) To promote bushier growth. C) To improve water absorption. D) To prevent flowering.
A) Pressure Per Minute B) Pounds Per Month C) Plants Per Meter D) Parts Per Million
A) To promote root growth. B) To prevent nutrient imbalances and disease. C) To increase the pH of the solution. D) To reduce the temperature of the solution.
A) Aphids B) Earthworms C) Beetles D) Grasshoppers
A) Add more nutrients to the solution. B) Keep the nutrient solution shielded from light. C) Expose the solution to direct sunlight. D) Increase the pH of the nutrient solution.
A) Greater variety of plants can be grown. B) Less maintenance required. C) Lower initial setup cost. D) Faster growth and higher yields.
A) Chlorophyll production B) Root growth stimulation C) Nitrogen fixation D) Cell wall development
A) Kratky Method B) NFT (Nutrient Film Technique) C) DWC (Deep Water Culture) D) Ebb and Flow
A) To lower the temperature of the water. B) To remove impurities and control nutrient levels. C) To increase the pH of the water. D) To add beneficial microbes to the system.
A) Root rot, damages the root system. B) Pest infestation, attracts insects. C) Nutrient deficiency, stunts growth. D) Premature flowering, reduces leaf production.
A) Water absorption and transport. B) Fruit ripening and sweetness. C) Chlorophyll production and enzyme activation. D) Root development and strengthening.
A) A fungal disease that affects seedlings. B) A sudden drop in nutrient levels. C) The wilting of leaves due to lack of water. D) A calcium deficiency in mature plants.
A) To regulate the temperature of the water. B) To control the amount of light the plants receive. C) To automate nutrient delivery cycles. D) To monitor pH levels.
A) Stunted growth and dark green leaves. B) Yellowing of older leaves. C) Purple or red stems. D) Leaf curling and browning.
A) Being a passive, non-circulating system. B) Using a complex system of pumps and timers. C) Using a continuous flow of nutrient solution. D) Requiring frequent water level adjustments.
A) Regulate pH levels. B) Filter out unwanted particles. C) Increase water temperature. D) Help with nutrient uptake and disease suppression.
A) NFT (Nutrient Film Technique) B) DWC (Deep Water Culture) C) Wick System D) Ebb and Flow (Flood and Drain)
A) Exposing the system to direct sunlight. B) Washing with soap and water. C) Using a diluted bleach solution. D) Boiling the system components.
A) The difference between the moisture content of the air and the moisture content of the leaves; affects transpiration. B) The amount of light the plants receive; affects photosynthesis. C) The measure of nutrient concentration; affects growth rate. D) The amount of oxygen in the water; affects root health. |