%0 Journal Article %T Comparison of Cationic and Anionic Forms of Nitrogen Fertilization on Growth and Calcium, Zinc and Iron Content in Shoots of Two Varieties of Vegetable Amaranth %J Journal Information: ISSN: Frequency: Journal DOI: Peer-review model: Digital Archiving: Disclaimer: %D 2017 %R 10.9734/JAERI/2017/30907 %X (2) Congyan Wang, Institute of Environment and Ecology, Academy of Environmental Health and Ecological Security & School of the Environment and Safety Engineering, Jiangsu University, Jiangsu, China. %U http://www.sciencedomain.org/abstract/17987