{"id":30,"date":"2020-06-29T09:58:39","date_gmt":"2020-06-29T09:58:39","guid":{"rendered":"https:\/\/site1.ctfc.cat\/?page_id=30"},"modified":"2020-10-02T11:40:37","modified_gmt":"2020-10-02T11:40:37","slug":"eficiencia-us-de-aigua","status":"publish","type":"page","link":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/eficiencia-us-de-aigua\/","title":{"rendered":"Millores en l&#8217;efici\u00e8ncia en l&#8217;\u00fas de l&#8217;aigua"},"content":{"rendered":"\n<p>Les <strong>barreges <\/strong>farratgeres han demostrat tamb\u00e9 ser <strong>m\u00e9s eficients en l&#8217;\u00fas de l&#8217;aigua <\/strong>que els monocultius (Chapagain and Riseman, 2015; Liu et al., 2016), i ser m\u00e9s resistents a les sequeres, fins i tot a sequeres extremes (Hofer et al., 2017, 2016). En especial, quan la barreja cont\u00e9 <strong>lleguminoses <\/strong>en la composici\u00f3, tota la comunitat es pot\u00a0beneficiar\u00a0de\u00a0la <strong>major disponibilitat\u00a0de nitrogen<\/strong>, fet que <strong>millora la productivitat incl\u00fas sota condicions restrictives d&#8217;aigua<\/strong>.<\/p>\n\n\n\n<p>Per exemple, en un experiment es va comparar l&#8217;\u00fas de l&#8217;aigua que feia el blat plantat en&nbsp;monocultiu&nbsp;en comparaci\u00f3 amb el blat plantat de&nbsp;forma&nbsp;intercalada amb&nbsp;v\u00e0ries&nbsp;esp\u00e8cies de lleguminosa, o b\u00e9 barrejat amb lleguminosa (Chapagain and Riseman, 2015). Els resultats van mostrar clarament que el blat&nbsp;combinat&nbsp;amb lleguminoses&nbsp;feia un \u00fas m\u00e9s eficient de l&#8217;aigua que quan estava en monocultiu.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"560\" height=\"465\" src=\"https:\/\/farratgem.ecofun.ctfc.cat\/wp-content\/uploads\/2020\/09\/image-7.png\" alt=\"\" class=\"wp-image-133\" srcset=\"https:\/\/farratgem.ecofun.ctfc.cat\/wp-content\/uploads\/2020\/09\/image-7.png 560w, https:\/\/farratgem.ecofun.ctfc.cat\/wp-content\/uploads\/2020\/09\/image-7-300x249.png 300w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><figcaption>El \u03b4<sup>13<\/sup>C ens indica com la planta est\u00e0 intercambiant CO<sub>2<\/sub> i aigua amb l\u2019ambient. Un valor m\u00e9s alt (menys negatiu) indica que les taxes d\u2019intercanvi s\u00f3n m\u00e9s baixes, i per tant &nbsp;la planta fa un \u00fas m\u00e9s eficient de l\u2019aigua. &nbsp;\u03b4<sup>13<\/sup>C en blat, plantat intercalat 1:1, 2:1, en barreja amb lleguminosa o en monocultiu. Mitjana \u00b1 error est\u00e0ndard. Adaptat de Chapagain and Riseman (2015).<\/figcaption><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\" width=\"453\" height=\"378\"><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les barreges farratgeres han demostrat tamb\u00e9 ser m\u00e9s eficients en l&#8217;\u00fas de l&#8217;aigua que els monocultius (Chapagain and Riseman, 2015; Liu et al., 2016), i ser m\u00e9s resistents a les sequeres, fins i tot a sequeres extremes (Hofer et al., 2017, 2016). En especial, quan la barreja cont\u00e9 lleguminoses en la composici\u00f3, tota la comunitat &#8230; <a title=\"Millores en l&#8217;efici\u00e8ncia en l&#8217;\u00fas de l&#8217;aigua\" class=\"read-more\" href=\"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/eficiencia-us-de-aigua\/\">Llegiu m\u00e9s <span class=\"screen-reader-text\">Millores en l&#8217;efici\u00e8ncia en l&#8217;\u00fas de l&#8217;aigua<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-30","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/pages\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":3,"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/pages\/30\/revisions"}],"predecessor-version":[{"id":168,"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/pages\/30\/revisions\/168"}],"wp:attachment":[{"href":"https:\/\/farratgem.ecofun.ctfc.cat\/index.php\/wp-json\/wp\/v2\/media?parent=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}