| A | B |
|---|
| Alaska | primary horticulture crops are greenhouse plants |
| Wyoming | greenhouse plant production is a top horticulture crop of this western state |
| Arizona | known for its production of lettuce and melons around the Phoenix area |
| chrysanthemum | a perennial flowering plant that has shown ability to reduce indoor air pollutants |
| Colorado | this state in known for its production of irrigated vegetables |
| humidity | water vapor in the air |
| Idaho | its the potato state |
| moisture | the use of organic mulches helps to retain this for plant growth |
| Montana | main horticulture crops include cherries and potatoes in this big sky state |
| mulch | a source of organic matter |
| Nevada | a main horticulture crop of this state involves sales of native plants (desert plants) |
| New Mexico | desert state known for production of ornamental plants (flowers) |
| Nitrogen | primary nutrient that promotes green color in the above ground portion of a plant |
| Oregon | grapes for wine production are a top horticulture crop of this state |
| organic | a category of matter added to soil that breaks down and provides nutrients |
| phosphorus | primary nutrient used in cell division |
| photoperiodism | refers to the amount of light a plant gets |
| pollutants | materials that can harm plants, usually air borne |
| potassium | primary nutrient that promotes disease resistance |
| sodium chloride | main salt that is left when water vapor evaporates from plants |
| Soil texture | a term used to describe the amounts of soil minerals that make up the soil |
| transpiration | the process of plants giving off water vapor through the stomates |
| Utah | this state with a large lake is known for its production of fruits and vegetables |
| amendments | products added to the soil to change it |
