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Fig. 3. Relationships between nitrate uptake rate (NUR) and morphological characteristics of Kentucky bluegrass seedlings. (A) relationship between NUR of Days 6 to 8 and total leaf lengths of the first clippings, (B) relationship between NUR of Days 6 to 8 and total leaf area of the first clippings, (C) relationship between NUR of Days 20 and 21 and total leaf length of the second clippings, (D) relationship between NUR of Days 20 and 21 and total leaf area of the second clippings, (E) relationship between NUR of Days 20 and 21 and total root length of the second clippings, (F) relationship between NUR of Days 20 and 21 and total root surface area of the second clippings.
