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