1.0planet forward//www.getitdoneaz.comnational science foundation//www.getitdoneaz.com/author/nationalsciencefoundation/biochar produces better crops and cleaner air - planet forward - 克罗地亚vs加拿大让球 rich600338<blockquote class="wp-embedded-content" data-secret="ljp8xzczqq"><a href="//www.getitdoneaz.com/story/biochar-produces-better-crops-and-cleaner-air/">biochar produces better crops and cleaner air</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="//www.getitdoneaz.com/story/biochar-produces-better-crops-and-cleaner-air/embed/#?secret=ljp8xzczqq" width="600" height="338" title="“biochar produces better crops and cleaner air” — planet forward" data-secret="ljp8xzczqq" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![cdata[ */ /** * wordpress inline html embed * * @since 4.4.0 * @output wp-includes/js/wp-embed.js * * single line comments should not be used since they will break * the script when inlined in get_post_embed_html(), specifically * when the comments are not stripped out due to script_debug * being turned on. */ (function ( window, document ) { 'use strict'; /* abort for ancient browsers. */ if ( ! document.queryselector || ! window.addeventlistener || typeof url === 'undefined' ) { return; } /** @namespace wp */ window.wp = window.wp || {}; /* abort if script was already executed. */ if ( !! window.wp.receiveembedmessage ) { return; } /** * receive embed message. * * @param {messageevent} e */ window.wp.receiveembedmessage = function( e ) { var data = e.data; /* verify shape of message. */ if ( ! ( data || data.secret || data.message || data.value ) || /[^a-za-z0-9]/.test( data.secret ) ) { return; } var iframes = document.queryselectorall( 'iframe[data-secret="' + data.secret + '"]' ), blockquotes = document.queryselectorall( 'blockquote[data-secret="' + data.secret + '"]' ), allowedprotocols = new regexp( '^https?:$', 'i' ), i, source, height, sourceurl, targeturl; for ( i = 0; i < blockquotes.length; i++ ) { blockquotes[ i ].style.display = 'none'; } for ( i = 0; i < iframes.length; i++ ) { source = iframes[ i ]; if ( e.source !== source.contentwindow ) { continue; } source.removeattribute( 'style' ); if ( 'height' === data.message ) { /* resize the iframe on request. */ height = parseint( data.value, 10 ); if ( height > 1000 ) { height = 1000; } else if ( ~~height < 200 ) { height = 200; } source.height = height; } else if ( 'link' === data.message ) { /* link to a specific url on request. */ sourceurl = new url( source.getattribute( 'src' ) ); targeturl = new url( data.value ); if ( allowedprotocols.test( targeturl.protocol ) && targeturl.host === sourceurl.host && document.activeelement === source ) { window.top.location.href = data.value; } } } }; function onload() { var iframes = document.queryselectorall( 'iframe.wp-embedded-content' ), i, source, secret; for ( i = 0; i < iframes.length; i++ ) { /** @var {iframeelement} */ source = iframes[ i ]; secret = source.getattribute( 'data-secret' ); if ( ! secret ) { /* add secret to iframe */ secret = math.random().tostring( 36 ).substring( 2, 12 ); source.src += '#?secret=' + secret; source.setattribute( 'data-secret', secret ); } /* * let post embed window know that the parent is ready for receiving the height message, in case the iframe * loaded before wp-embed.js was loaded. when the ready message is received by the post embed window, the * window will then (re-)send the height message right away. */ source.contentwindow.postmessage( { message: 'ready', secret: secret }, '*' ); } } window.addeventlistener( 'message', window.wp.receiveembedmessage, false ); document.addeventlistener( 'domcontentloaded', onload, false ); })( window, document ); /* ]]> */ </script> a multinational research team is developing biochars–fine-grained, highly porous charcoal that helps soils retain nutrients and water. these additives can improve crop yields, help inoculate plants with beneficial microorganisms and reduce greenhouse gas emissions. better crop yields can increase farm income and improve human nutrition. the combination of biochar production and clean-burning cook stoves may...