{"id":420086,"date":"2017-12-20T13:51:02","date_gmt":"2017-12-20T17:51:02","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=fe7b8655a4bbb786c4859cf2de0134e7"},"modified":"2017-12-20T13:51:02","modified_gmt":"2017-12-20T17:51:02","slug":"world-war-i-era-maps-help-track-history-of-kelp-forests-in-pacific-northwest","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=420086","title":{"rendered":"World War I-era maps help track history of kelp forests in Pacific Northwest"},"content":{"rendered":"<p>In the early 1900s, the U.S. Department of Agriculture recognized a problem. The United States relied heavily on fertilizer to grow crops and support its burgeoning economy, yet a crucial ingredient for fertilizer\u2014potash, a mixture of potassium and salts\u2014was mined almost exclusively in Germany. German mines supplied nearly the entire world&#8217;s supply of potash, and at the time the U.S. used about a fifth of its output, half of the amount exported from Germany.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the early 1900s, the U.S. Department of Agriculture recognized a problem. The United States relied heavily on fertilizer to grow crops and support its burgeoning economy, yet a crucial ingredient for fertilizer&mdash;potash, a mixture of potassium and salts&mdash;was mined almost exclusively in Germany. German mines supplied nearly the entire world&#8217;s supply of potash, and at the time the U.S. used about a fifth of its output, half of the amount exported from Germany.<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-420086","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/420086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=420086"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/420086\/revisions"}],"predecessor-version":[{"id":420087,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/420086\/revisions\/420087"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=420086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=420086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=420086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}