The three main soil particles.
What are sand, silt and clay?
This type of soil amendment cannot contain meat and dairy waste.
What is compost?
The combined loss of water from soil and plants
This is what N-P-K stands for.
What is Nitrogen, Phosphorus and Potassium?
The relationship between day and night length.
What is photoperiod?
This soil texture is considered ideal for growing plants
What is loam?
The name of the thousands-year-old decomposed sphagnum moss.
What is peat moss?
This type of soil water is available for plant use.
What is Capillary Water?
This nutrient deficiency causes yellowing of older leaves.
What is Nitrogen deficiency?
These plants require long hours of darkness.
What are Short-day plants?
The process that breaks down rocks into soil.
What is weathering?
Pine bark is an example of this type of soil amendment.
What is organic soil amendment?
The point when soil water is no longer available to plants.
What is permanent wilting point?
This nutrient deficiency causes purple coloring in leaves?
What is Phosphorus deficiency?
When growth stops due to high temperatures.
What is heat stall?
This soil structure allows water and air to move easily.
What is granular?
This white, volcanic rock absorbs water makes it usable for plants.
What is perlite?
This keeps plants upright and supports growth.
What is turgor pressure?
This is the amount of nitrogen in a fertilizer bag labeled 16-2-3.
What is 16 pounds?
A region defined by average minimum winter temperatures.
What is hardiness zone?
This helps soil retain nutrients and is represented by the acronym CEC.
What is Cation Exchange Capacity?
The ideal percentage of organic matter in loam soil.
What is 5%?
The best way to manage this problem with the soil is leaching with water.
What is high salt level?
The mnemonic for essential nutrients.
What is C HOPKINS CaFe Mg – “C Hopkins Café is Mighty Good”?
The American Horticultural Society Heat Zone Map is divided into this many zones.
What is 12?