The effect of the concentration and osmotic pressure of soil solution on the availability of water to plants

被引：0
作者：
Zaitseva, RI
Sudnitsyn, II
Nikitina, NS
机构：
[1] Russian Acad Agr Sci, Dokuchaev Soil Sci Inst, Moscow 109017, Russia
[2] Moscow MV Lomonosov State Univ, Fac Soil Sci, Moscow 119899, Russia
来源：
EURASIAN SOIL SCIENCE | 2003年 / 36卷 / 09期
关键词：
D O I：
暂无
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
Pot experiments on soddy-podzolic soil containing different concentrations of sodium, potassium, calcium, and magnesium chlorides and sulfates showed that the relative height of rye seedlings is inversely proportional to the concentration of soil solution and directly proportional to their osmotic pressure. The parameters of the relationships were different for soil solution concentrations and similar for osmotic pressure. This does not confirm a significant specific physiological effect of different ions on the growth of rye sprouts. Their effect mainly depends on the decrease in water availability to plants due to their interaction with water molecules (hydration).
引用
收藏
页码：1003 / 1009
页数：7
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