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Ecological Processes
Fig. 2 | Ecological Processes

Fig. 2

From: Effects of fertilization on radial growth of Pinus pinea explored hourly using dendrometers

Fig. 2

Circadian cycle of stem growth studied from hourly SDVs in stone pine by phase. Each cycle is divided into three phases: contraction (P1, black), expansion (P2, grey) and stem diameter increment (P3, white). Total expansion (TE) corresponds to the maximum stem expansion of the cycle (P2 + P3). A short cycle lasts 18 h, a regular cycle lasts close to 24 h, and a long cycle up to 2.5 days

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