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(Sarah of the Clue Crew shows a tree in Alaska.)Aldersare the only commercial tree west of the Rockies that take part in the fixation of this gas, turning it into nutrients, so where alders grow, other species of plants can often follow |
nitrogen
|
$1,000 |
J |
ALASKAN PLANT LIFE |
2014-10-23 |
#6924 |
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The 3 elements most commonly found in garden fertilizers are phosphorus, potassium & this element |
nitrogen
|
$1,000 |
J |
PLANT PARENTHOOD |
2003-10-22 |
#4398 |
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Nodules on the roots of beans fix this element from the atmosphere |
nitrogen
|
$400 |
J |
BOTANY |
1991-06-26 |
#1588 |