Regulation of plant growth, photosynthesis, antioxidation and osmosis by an arbuscular mycorrhizal fungus in watermelon seedlings under well-watered and drought conditions oleh Yanling eMo, Yongqi eWang, Yongqi eWang, Ruiping eYang, Junxian eZheng, Changming eLiu, Hao eLi, Jianxiang eMa, Yong eZhang, Chunhua eWei, Xian eZhang