Light
What wavelengths of light have the greatest impact on plant growth?
What are red and blue light?
What is the optimal temperature range for most horticultural plants?
What is 50°F to 85°F?
What percentage of herbaceous plants is comprised of water?
What is 80-90%?
What are the six parts of a plant?
What are roots, stems, leaves, flowers, fruits, and seeds?
What was the largest man-made natural disaster and how did it happen?
What was the dust bowl?
What is the term for the response of plant growth based on the number of hours of light received each day?
What is photoperiodism?
What can cold temperature extremes result in for plants?
What are chilling, freezing injury, or death?
What is turgid in reference to plants?
What is a plant that is swollen or filled with moisture?
What part of the root absorbs water and nutrients?
What are root hairs?
What is the basis for all life on Earth?
Carbon
What happens to plants when they receive mostly red light?
What causes elongated and soft growth?
How does temperature affect photosynthesis and respiration?
What directly affects the rates of photosynthesis and respiration?
What irrigation technique applies large quantities of water but can lose water to evaporation?
What is sprinkler irrigation?
What is the function of the xylem in plants?
What transports water and nutrients up from the roots?
What is desertification?
What is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture?
How is light intensity measured?
What is how much light instantly reaches the plant?
What are hardiness zones based on?
What are average annual minimum winter temperatures?
What factors influence water consumption rates among plant species?
What are soil type, temperature, light intensity, humidity, rainfall, and wind speed?
What type of root grows straight down with lateral roots?
What is a taproot?
What is drawdown?
What is the deliberate, seasonal drying of wetlands. Using trees, plants, and ways of farming to capture carbon and store it in the soil and maintain it for decades, maybe centuries; to try to stop/decrease the amount of carbon released into the atmosphere.
Which type of plants can flower under a wide range of day lengths?
What are day-neutral plants?
What can happen if temperatures are increased for plants?
What increases growth?
How should plants be watered according to their needs?
What is based on cues from the plant like changes in color and wilting?
What are the male reproductive parts of a flower called?
What are the stamens?
What are the four principles of regenerative agriculture?
1. no tilling (least mechanical disturbance possible) 2. cover crops (diversity) 3. perennial (armor on the soil, living root at all times, 4. compost/mob grazing (animal integration)