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