As shown in Fig 7 , with increasing NaCl stress, the SA k , Na , ST k , Na , SA Ca , Na, and ST Ca , Na all showed a trend of first increasing and then decreasing.
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Effects of salt stress on the photosynthetic physiology and mineral ion absorption and distribution in white willow (Salix alba L.).
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The sentences
Because the ecological environment of the salinization area is fragile and natural conditions are limited by many factors, it is highly significant to develop and use saline-alkali land scientifically and rationally while under pressure from a rapid population increase and a sharp decline in land resources; the goal is to advance towards the sustainable and healthy development of China’s forestry and ecological environment [ 4 ].