1.0Geography and Environmental Studieshttps://carleton.ca/geographycuthemeedtr5https://carleton.ca/geography/author/cuthemeedtr5/rich600338<blockquote class="wp-embedded-content" data-secret="IjMbzZCn3r"><a href="https://carleton.ca/geography/people/gregorich-edward/">Gregorich, Edward</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://carleton.ca/geography/people/gregorich-edward/embed/#?secret=IjMbzZCn3r" width="600" height="338" title="“Gregorich, Edward” — Geography and Environmental Studies" data-secret="IjMbzZCn3r" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://carleton.ca/geography/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Biography Dr. Ed Gregorich is a research scientist in the Research Branch of Agriculture and Agri-Food Canada at the Central Experimental Farm in Ottawa. His work focuses on soil biochemistry, particularly carbon and nitrogen cycling in soil. Dr. Gregorich is currently an adjunct professor in Geography and Environmental Studies at Carleton University, as well as […]