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Leaf x-sec, Low Nitrogen, Neutral Red

Leaf x-sec, High Nitrogen, Neutral Red

Leaf Mesophyll, Low N, Methylene Blue

Leaf x-sec, Low N, Methylene Blue

Leaf Abaxial Exterior, Low N

Leaf Abaxial Exterior, High N

Leaf Peel, High N, Neutral Red

Leaf Peel, High N, Neutral Red

Leaf Peel, Low N, Neutral Red

Petiole, Low N