呼伦贝尔草地植物茎秆和叶片中养分的时间动态与回收

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张效境¹^,², 梁潇洒¹^,², 马望¹, 王正文¹^,^*(

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Temporal variation and resorption of nutrients in plant culms and leaves in Hulun Buir grassland

ZHANG Xiao-Jing¹^,², LIANG Xiao-Sa¹^,², MA Wang¹, WANG Zheng-Wen¹^,^*(

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图3. 植物养分含量达到峰值的时间。A, 叶片氮(N)含量。B, 茎秆氮(N)含量。C, 叶片磷(P)含量。D, 茎秆磷(P)含量。A.A., 阿尔泰狗娃花; A.D., 龙蒿; A.F., 冷蒿; A.G., 狭叶沙参; A.T., 裂叶蒿; C.D., 寸草; C.P., 柄状薹草; C.S., 糙隐子草; Cy.D., 达乌里芯芭; I.D., 野鸢尾; I.V., 囊花鸢尾; K.C., 麻花头; K.M., 草; L.C., 羊草; P.A., 星毛委陵菜; P.B., 二裂委陵菜; P.C., 白头翁; P.T., 菊叶委陵菜; S.B., 狼针草; T.L., 披针叶野决明; T.P., 瓣蕊唐松草; V.C., 广布野豌豆。

Fig. 3. Time of the highest nutrient content in different plant species. A, Nitrogen (N) content of leaves. B, N content of culms. C, Phosphorus (P) content of leaves. D, P content of culms. A.A., Aster altaicus; A.D., Artemisia dracunculus; A.F., Artemisia frigida; A.G., Adenophora gmelinii; A.T., Artemisia tanacetifolia; C.D., Carex duriuscula; C.P., Carex pediformis; C.S., Cleistogenes squarrosa; Cy.D., Cymbaria daurica; I.D., Iris dichotoma; I.V., Iris ventricosa; K.C., Klasea centauroides; K.M., Koeleria macrantha; L.C., Leymus chinensis; P.A., Potentilla acaulis; P.B., Potentilla bifurca; P.C., Pulsatilla chinensis; P.T., Potentilla tanacetifolia; S.B., Stipa baicalensis; T.L., Thermopsis lanceolata; T.P., Thalictrum petaloideum; V.C., Vicia cracca.