atmospheric nitrogen (N
2
)
bacteria
nitrate (NO
3
-
)
ammonium (NH
4
+
)
plant roots
atmospheric nitrogen (N
2
)
bacteria
nitrate (NO
3
-
)
ammonium (NH
4
+
)
plant roots
1. The bacteria in the soil break the strong, stable bonds of atmospheric nitrogen.
atmospheric nitrogen (N
2
)
bacteria
nitrate (NO
3
-
)
ammonium (NH
4
+
)
plant roots
1. The bacteria in the soil break the strong, stable bonds of atmospheric nitrogen.
2. Through nitrogen fixation, the bacteria convert nitrogen into usable forms such as nitrate and ammonium.