What little I know about ecological agriculture I have learned directly or indirectly from him. (religion-online.org)
«The main difference between the two studies is time,» explains Professor Leifert, who is Professor of Ecological Agriculture at Newcastle University (austorganic.com)
Two years ago, Carlo Leifert, the leader of the review and a professor of ecological agriculture at Newcastle University in England, led a similar review, finding that organic fruits and vegetables had higher levels of some antioxidants than their conventionally grown counterparts. (organicauthority.com)