CSR Elemental Composition

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Elements that are not explicitly accounted for have a fixed mass-relation wih the plant tissue. That is, when a plant organ grows, a fixed fraction of the weight increase is requested from the soil to supply K, Mg, etc. The same fixed proportions are released from the litter on decomposition.

Unability of the soil to supply the required elements will reduce the growth accordingly.

plant composition

Species organ Element gewAVG ntotal Unit
Broadleaves leaf N 25.95 48 (g/kg)
Broadleaves leaf P 1.76 54 (g/kg)
Broadleaves leaf S 2.17 25 (g/kg)
Broadleaves leaf Ca 9.67 53 (g/kg)
Broadleaves leaf K 8.82 54 (g/kg)
Broadleaves leaf Mg 1.9 54 (g/kg)
Broadleaves branch N 4.66 25 (g/kg)
Broadleaves branch P 0.49 25 (g/kg)
Broadleaves branch S 0.41 2 (g/kg)
Broadleaves branch Ca 4.58 25 (g/kg)
Broadleaves branch K 1.73 25 (g/kg)
Broadleaves branch Mg 0.39 26 (g/kg)
Broadleaves stem N 1.51 42 (g/kg)
Broadleaves stem P 0.14 42 (g/kg)
Broadleaves stem S 0.13 19 (g/kg)
Broadleaves stem Ca 1.92 43 (g/kg)
Broadleaves stem K 1.15 43 (g/kg)
Broadleaves stem Mg 0.21 44 (g/kg)
Broadleaves CoarseRoots N 3.64 16 (g/kg)
Broadleaves CoarseRoots P 0.39 16 (g/kg)
Broadleaves CoarseRoots S 0.45 3 (g/kg)
Broadleaves CoarseRoots Ca 3.34 16 (g/kg)
Broadleaves CoarseRoots K 1.7 16 (g/kg)
Broadleaves CoarseRoots Mg 0.4 16 (g/kg)
Broadleaves FineRoots N 9.09 15 (g/kg)
Broadleaves FineRoots P 0.81 15 (g/kg)
Broadleaves FineRoots S 1.09 5 (g/kg)
Broadleaves FineRoots Ca 4.9 15 (g/kg)
Broadleaves FineRoots K 2.54 15 (g/kg)
Broadleaves FineRoots Mg 0.86 15 (g/kg)
Conifers leaf N 13.41 78 (g/kg)
Conifers leaf P 1.46 91 (g/kg)
Conifers leaf S (g/kg)
Conifers leaf Ca 5.9 96 (g/kg)
Conifers leaf K 5.7 95 (g/kg)
Conifers leaf Mg 0.98 95 (g/kg)
Conifers branch N 4.53 73 (g/kg)
Conifers branch P 0.54 74 (g/kg)
Conifers branch S 0.36 3 (g/kg)
Conifers branch Ca 2.92 68 (g/kg)
Conifers branch K 2.25 67 (g/kg)
Conifers branch Mg 1.01 75 (g/kg)
Conifers stem N 1.18 81 (g/kg)
Conifers stem P 0.15 78 (g/kg)
Conifers stem S 0.34 10 (g/kg)
Conifers stem Ca 1.2 82 (g/kg)
Conifers stem K 0.73 81 (g/kg)
Conifers stem Mg 0.2 78 (g/kg)
Conifers CoarseRoots N 2.98 28 (g/kg)
Conifers CoarseRoots P 0.28 27 (g/kg)
Conifers CoarseRoots S 0.45 4 (g/kg)
Conifers CoarseRoots Ca 1.55 30 (g/kg)
Conifers CoarseRoots K 1.25 31 (g/kg)
Conifers CoarseRoots Mg 0.29 30 (g/kg)
Conifers FineRoots N 9.95 23 (g/kg)
Conifers FineRoots P 0.87 21 (g/kg)
Conifers FineRoots S 0.86 8 (g/kg)
Conifers FineRoots Ca 3.72 25 (g/kg)
Conifers FineRoots K 2.08 25 (g/kg)
Conifers FineRoots Mg 0.57 25 (g/kg)