Effects of nitrogen application stages on photosynthetic characteristics of summer maize in high yield conditions Chemical constituents in roots and stems of Physalis alkekengi var. franchetii Study on chemical constituents from whole herbs of Xanthium mongolicum A STUDY ON THE MAIN CHARACTERS OF YIELD AND QUALITY OF CORN IN A SHELTER-BELT NETWOK ECOFIELD CHANGES OF EMBRYO PROTEIN IN MAIZE SEEDS WITHDIFFERENT VIGOURS DURING GERMINATION Production of the Ogura Cytoplasmic Male Sterile(CMS)Lines of ChineseCabbage-pak-choi(Brassica campestris L.ssp.chinensis var.communis)and Turnip(B.campestris L.ssp.rapifera)and Cytological Observation ofTheir Sterile Organs ‘Jiaxian Youzao’—— A New Drying Variety of Zizyphus jujuba Mill. Starch Granule Size Distribution in Grains of Maize with Different Endosperm Types Effect of Zishuijianghuoyin on Expression of Lymphocyte AngII Receptor (AT-1)mRNA of Experimental Hypertension Rats Effects of exogenous Ca2+ on growth, photosynthetic characteristics and photosystem II function of maize seedlings under cadmium stress Cloning and expression analysis of a zinc-regulated transporters (ZRT), iron-regulated transporter (IRT)-like protein encoding gene in Dendrobium officinale Pharmacokinetic study on glycyrrhetinic acid in rats ig administrated by Glycyrrhizae Radix et Rhizoma Praeparata Cum Melle Decoction Chemical constituents from aerial parts of Anabasis aphylla The Influencing Factors of the Fruiting Characteristics of Ziziphus jujuba Relationship between Distribution of 14C-assimilates and Kernel Abortion in Maize Gene Effects of Resistance to Head Smut in Maize