Fig. 1From: Transcriptome profiling of Puccinellia tenuiflora during seed germination under a long-term saline-alkali stressa Image of normal soil extracts and saline-alkali soil extracts liquids after centrifugation at 30,000 rpm for 15 min, and passage through a 0.22-μm filter membrane. b The contents of essential macronutrients N, P and K in the saline-alkali soil extracts compared with normal soil extracts. c The contents of essential micronutrients Fe, Zn and Mn in the saline-alkali soil extracts compared with normal soil extracts. The elements are expressed as milligrams per kilogramBack to article page