Nitrogen cycle
Nitrogen cycle
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AMMONIA
AMMONIFICATION
ATMOSPHERE
DENITRIFICATION
LEGUMES
LIGHTNING
NITRATES
NITRIFICATION
NITRITES
PROTOPLASM
N | I | T | R | I | T | E | S | H | I | K | E | N | S | A |
O | O | O | O | R | R | U | I | F | M | L | C | O | P | S |
I | S | I | A | L | D | A | X | K | S | K | S | I | O | S |
T | S | O | T | O | J | E | W | K | A | D | J | T | J | E |
A | O | Z | T | A | L | S | V | W | L | Z | F | A | G | M |
C | H | F | U | T | C | Z | F | I | P | C | O | C | D | U |
I | W | L | L | M | B | I | V | T | O | T | L | I | P | G |
F | Z | I | O | O | N | E | F | N | T | J | O | F | U | E |
I | W | G | G | S | S | R | Z | I | O | N | F | I | W | L |
N | Z | H | S | P | I | S | X | J | R | X | H | R | L | Q |
O | T | T | U | H | Z | D | Y | J | P | T | A | T | D | D |
M | O | N | A | E | B | K | B | D | M | N | I | I | U | V |
M | R | I | E | R | S | E | T | A | R | T | I | N | V | Z |
A | P | N | W | E | U | A | E | W | N | B | S | M | E | B |
R | T | G | T | Y | Z | T | A | M | M | O | N | I | A | D |
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