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Fig. 4 | BMC Plant Biology

Fig. 4

From: Grazing intensity changed the activities of nitrogen assimilation related enzymes in desert Steppe Plants

Fig. 4

Effects of grazing intensity on activities of nitrogen assimilation related enzymes in roots and leaves of Stipa breviflora. a and c glutamate synthase activity (µmol g− 1 min− 1), b and d glutamine synthetase activity (OD g− 1 protein h− 1), e and g glutamic oxaloacetic transaminase activity (µmol g− 1 30 min− 1), f and h glutamate pyruvate transaminase activity (µmol g− 1 30 min− 1). Different lowercase letters indicate significant difference at P<0.05. CK, LG, MG and HG refer to no grazing, light grazing, moderate grazing and heavy grazing, respectively

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