Thirty different alkali-saline ecological conditions, which evenly covered all the cases within the ranges of 50～350 mmol/L salinity and 7.14～10.81 pH values, were simulated by mixtures of varied proportions of sodium salts of chloride, carbonate, bicarbonate and sulphate. Under these conditions, the physiological indices of survival rate, tillering rate, number of rhizome and relative growth rate were examined for seedlings of Leymus chinensis to determine the effect of alkali-saline factors on the growth ...
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