Effects of drought stress on system of defense enzymes and RWC and membrane electrolyte in Cynanchum komarovii seedlings Distribution of Water Channel Protein RWC3 and Its Regulation by GA and Sucrose in Rice (Oryza sativa) ffects of nitrogen fertilizer rate and post-anthesis soil water content on characteristics of nitrogen metabolism and grain protein content in wheat Photosynthetic pigments and photosynthetic products of endophyte-infection and endophyte-free Lolium perenne L. under drought stress conditions The comparation of drought resistance between Caragana species (Caragana arborescens, C. korshinskii, C. microphylla) and two chickpea (Cicer arietinum L.) cultivars