Below Grade
Drooping Brome or Cheat Grass has an extensive root system. The wide-spreading lateral roots are one of the keys to the survival of this plant. A study showed that it had the capability to reduce soil moisture to the permanent wilting point to a depth of 70 cm, reducing competition from other species.
Read more about this topic: Bromus Tectorum
Famous quotes containing the word grade:
“Ideas are like pizza dough, made to be tossed around, and nearly every book represents what my sons third grade teacher refers to as a teachable moment.”
—Anna Quindlen (b. 1952)
“Life begins at sixat least in the minds of six-year-olds. . . . In kindergarten you are the baby. In first grade you put down the baby. . . . Every first grader knows in some osmotic way that this is real life. . . . First grade is the first step on the way to a place in the grown-up world.”
—Stella Chess (20th century)