STUDIES ON SOME PHYSIOLOGICAL PROPERTIES OF BIG SPIKE WHEAT Influence of Rhizosphere Oxygen Concentration on Rice Root Growth CULTIVATED METHOD OF SHORT ROOT AMERICAN GINSENG ( Panax quinqueflium ) Response of soil-wheat ecosystem to soil magnetization and related ecological indicators Growth and Physiological Adaptability of Three Hybrid Poplars Planted in Different Saline-alkali Soil Characteristics of aquatic plant roots, soil microbes and agricultural non-point source pollutant mitigation in riparian buffer zones Effects of continuous deficit irrigation and partial root-zone irrigation on root growth of young apple tree Physiological Responses of Indigofera spicata to different flooding stress