PeerJ Author 270 Points Contributions by role Author 270 Contributions by subject area Agricultural Science Biochemistry Plant Science Soil Science Natural Resource Management Shakeel Ahmad PeerJ Author Summary PeerJ Contributions Articles 2 November 16, 2020 Nitrogen fertilization affects maize grain yield through regulating nitrogen uptake, radiation and water use efficiency, photosynthesis and root distribution Wennan Su, Shakeel Ahmad, Irshad Ahmad, Qingfang Han https://doi.org/10.7717/peerj.10291 PubMed 33240631 October 11, 2019 Exogenous melatonin confers drought stress by promoting plant growth, photosynthetic capacity and antioxidant defense system of maize seedlings Shakeel Ahmad, Muhammad Kamran, Ruixia Ding, Xiangping Meng, Haiqi Wang, Irshad Ahmad, Shah Fahad, Qingfang Han https://doi.org/10.7717/peerj.7793 PubMed 31616591
