Effects of Silver Thiosulfate (STS) on Growth and Physiological Characteristics of Potato Plantlets in vitro Effects of copper-based foliar fertilizer and controlled release fertilizer on growth and leaf protective enzyme activities of pepper Effects of split nitrogen fertilization on physiological characteristics of leaves,dry matter accumulation and yield of cotton cultivated in the Yellow River bottomland Effects of nitrogen application rates on main physiological characteristics of leaves, dry matter accumulation and yield of cotton cultivated in the Yellow River bottomlands Effects of water-saving irrigation on water consumption and photosynthetic characteristics of winter wheat in Huang-Huai-Hai area of China Effects of Salicylic Acid and Nitric Oxide on the Growth and Accumulation of Secondary Metabolites in Curcuma longa