Density-Dependent Rule of Natural Kochia sieversiana Population in an Alkaline Meadow in the Songnen Plain of China The Ecological and Physiological Adaptation of Kochia sieversiana and the Characteristics of the Communities Physiological Response of an Alkali Resistant Halophyte Kochia sieversiana to Salt and Alkali Stresses Solute accumulation and distribution traits of an alkali resistant forage plant Kochia sieversiana and physiological contribution of organic acid under salt and alkali stresses Alleopathy of the Aqueous Extracts of Kochia sieversiana Shoots