{"id":110067,"date":"2008-12-21T13:13:00","date_gmt":"2008-12-21T13:13:00","guid":{"rendered":"http:\/\/weblogs.madrimasd.org\/\/universo\/archive\/2008\/12\/21\/110067.aspx"},"modified":"2010-01-22T03:50:19","modified_gmt":"2010-01-22T02:50:19","slug":"suelos-salinos-aguas-salobres-y-agricultura-sustentable","status":"publish","type":"post","link":"https:\/\/www.madrimasd.org\/blogs\/universo\/2008\/12\/21\/110067","title":{"rendered":"Suelos Salinos, Aguas Salobres y Agricultura Sustentable"},"content":{"rendered":"<p><P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"FONT-SIZE: 10pt; COLOR: #3366ff; FONT-FAMILY: 'Comic Sans MS'\"><o:p>&nbsp;<\/o:p><\/SPAN><\/B><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"FONT-SIZE: 10pt; COLOR: #3366ff; FONT-FAMILY: 'Comic Sans MS'\">La utilizaci\u00f3n de suelos salinos con fines agropecuarios es del m\u00e1ximo inter\u00e9s<\/SPAN><\/B><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'\">, dada la gran<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> extensi\u00f3n que cubren los suelos<\/SPAN><\/B> naturalmente<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> salinos, as\u00ed como los salinizados<\/SPAN><\/B> debido a un <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">deficiente sistema de irrigaci\u00f3n<\/SPAN><\/B>. El bolet\u00edn de noticias <\/SPAN><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">\u201c<\/SPAN><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-ansi-language: EN-GB; mso-bidi-font-family: Arial\"><A href=\"http:\/\/www.sciencecentric.com\/index.htm\"><SPAN lang=ES style=\"mso-ansi-language: ES\"><FONT color=#800080>Science Centric<\/FONT><\/SPAN><\/A><\/SPAN><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">\u201d public\u00f3 en diciembre de 2008 un interesante nota que llevaba por t\u00edtulo: \u201c<\/SPAN><SPAN lang=EN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-ansi-language: EN\"><A href=\"http:\/\/www.sciencecentric.com\/news\/article.php?q=08121652-salt-water-irrigation-study-shows-it-works\"><SPAN lang=ES style=\"mso-ansi-language: ES\"><FONT color=#800080>Salt water irrigation: Study shows it works<\/FONT><\/SPAN><\/A><\/SPAN><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'\">\u201d, basada en un art\u00edculo recientemente aparecido en la revista <\/SPAN><B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"FONT-SIZE: 10pt; COLOR: #3366ff; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">Agriculture<\/SPAN><\/B><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Ecosystems and Environment<\/SPAN><\/B>. De acuerdo a sus autores resulta posible su explotaci\u00f3n<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> utilizando una planta forrajera tolerante a la sal en combinaci\u00f3n con otra bioacumuladora de la misma, que<\/SPAN><\/B> tras ser incinerada es convertida en jab\u00f3n. Tal manejo es <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">acompa\u00f1ado por la irrigaci\u00f3n con aguas salobres<\/SPAN><\/B>. <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">La primera <\/SPAN><\/B>especie resulta ser <I style=\"mso-bidi-font-style: normal\"><A href=\"http:\/\/www.rbgkew.org.uk\/data\/grasses-db\/www\/imp07294.htm\"><FONT color=#800080>Panicum turgidum<\/FONT><\/A><\/I>, (una especie de <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">gram\u00ednea<\/SPAN><\/B> t\u00edpica de los <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">ambientes des\u00e9rticos<\/SPAN><\/B>) la segunda no es explicitada, pero hay muchas. Tal actividad puede ser muy <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">interesante con vistas a paliar la producci\u00f3n de alimentos, y en especial en los biomas \u00e1ridos y semi\u00e1ridos del planeta<\/SPAN><\/B>, es decir en donde m\u00e1s suele necesitarse.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><IMG height=338 src=\"\/blogs\/universo\/wp-content\/blogs.dir\/42\/files\/949\/o_P%C3%A1nicum%20Turgidum.jpg\" width=450>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><\/o:p><\/SPAN>&nbsp;<\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><I style=\"mso-bidi-font-style: normal\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><A href=\"http:\/\/www.vertigo.uqam.ca\/vol7no2\/art15vol7no2\/anthelme_et_coll.html\"><FONT color=#800080>Panicum turgidum<\/FONT><\/A><\/SPAN><\/I><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><\/o:p><\/SPAN><\/P><!--more--><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><I style=\"mso-bidi-font-style: normal\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><A href=\"http:\/\/es.gardening.eu\/arc\/plantas\/Arbustos\/Panicum-turgidum-Forssk\/49056\/stamp.asp\"><FONT color=#800080>Panicum turgidum<\/FONT><\/A><\/SPAN><\/I><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"> parece ofrecer <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">con tales sistemas de manejo a una producci\u00f3n nada despreciable<\/SPAN><\/B>, que podr\u00eda aumentar m\u00e1s cuando se ajusten las <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">dosis de fertilizantes<\/SPAN><\/B> adecuadas. Esta planta <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">no absorbe la sal y es rica en prote\u00ednas<\/SPAN><\/B>. Sin embargo, al <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">irrigar con aguas salobres<\/SPAN><\/B>, l<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">a concentraci\u00f3n de sales en un suelo ya de por s\u00ed salino, podr\u00eda aumentar, da\u00f1ando la fertilidad<\/SPAN><\/B> f\u00edsica (deterioro de la estructura ed\u00e1fica) y qu\u00edmica del suelo, ya se por s\u00ed salino. Con vistas a <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">evitar tal problema<\/SPAN><\/B>, los autores proponen pues <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">la inclusi\u00f3n de otra(s) especies que aunque no sean palatables, acumulan las sales es sus tejidos, evitando as\u00ed que se precipiten en el suelo<\/SPAN><\/B>. Como hemos mencionado, luego de cumplir su misi\u00f3n son recolectadas e incineradas, siendo el producto resultante apto para producir jab\u00f3n. Al parecer se pueden obtener varias cosechas anuales, lo que ya de por s\u00ed a\u00f1ade m\u00e1s valor a este sistema de gesti\u00f3n. <o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><IMG src=\"\/blogs\/universo\/wp-content\/blogs.dir\/42\/files\/949\/o_P%C3%A1nicim%20Turgidum%202.jpg\"><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><\/o:p><\/SPAN>&nbsp;<\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 8pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><A href=\"http:\/\/www.revistaecosistemas.net\/admin\/Archivos\/Imagenes\/editor\/17_2\/FP_fig5.jpg\"><FONT color=#800080>Pastoreo actual en ambientes \u00e1ridos. <o:p><\/o:p><\/FONT><\/A><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN class=MsoHyperlink><SPAN style=\"FONT-SIZE: 8pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><A href=\"http:\/\/www.revistaecosistemas.net\/admin\/Archivos\/Imagenes\/editor\/17_2\/FP_fig5.jpg\"><FONT color=#800080>Fuente. Revista Ecosistemas<\/FONT><\/A><\/SPAN><\/SPAN><SPAN style=\"FONT-SIZE: 8pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">El estudio parece en s\u00ed muy interesante, y <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">de resultar cierto podr\u00eda paliar el hambre en amplias regiones del planeta <\/SPAN><\/B>con una dieta principalmente carn\u00edvora, en caso de pueblos aut\u00e1rquicos. Obviamente, tambi\u00e9n puede entrar en el mercado de exportaci\u00f3n para poder adquirir otros alimentos vegetales. Sin embargo,<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> el estudio tan solo cubre un a\u00f1o, por lo que habr\u00e1 que esperar a analizar como responde el agroecosistema tras varios ciclos anuales<\/SPAN><\/B>. Finalmente, los investigadores no se resisten a poder \u201c<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">tocar los genes<\/SPAN><\/B>\u201d de <I style=\"mso-bidi-font-style: normal\">P\u00e1nicum<\/I> (panicum me producen ellos). Lo que desconozco es en que ambientes y tipos de suelos puede crecer esta especie. <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Ser\u00eda raro que fuera viable en casi todos los suelos salinos del mundo irrigados por cualquier clase de aguas salobres<\/SPAN><\/B>. En cualquier caso la publicaci\u00f3n parece interesante y habr\u00e1 que profundizar m\u00e1s en el asunto. Os dejo ya con la noticia en suahili. <SPAN style=\"mso-spacerun: yes\">&nbsp;<\/SPAN><o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; COLOR: #cc0000; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\">Juan Jos\u00e9 Ib\u00e1\u00f1ez<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 10pt; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt\"><SPAN lang=EN style=\"mso-ansi-language: EN\"><A href=\"http:\/\/www.sciencecentric.com\/news\/article.php?q=08121652-salt-water-irrigation-study-shows-it-works\"><FONT color=#800080>Salt water irrigation: Study shows it works<\/FONT><\/A><\/SPAN><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\"><o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt\"><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt\"><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">Bolet\u00edn de Noticias \u201c<A href=\"http:\/\/www.sciencecentric.com\/index.htm\"><FONT color=#800080>Science Centric<\/FONT><\/A>\u201d<\/SPAN><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt\"><SPAN lang=EN-GB style=\"FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">Take an <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">arid field <\/SPAN><\/B>riddled with<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> salty soil<\/SPAN><\/B>. <\/SPAN><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">Irrigate it with salty water. <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Plant a salt-tolerant grass along with a salt-sucking companion plant <\/SPAN><\/B>and what do you get? If you&#8217;re a Brigham Young University research team, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">you raise a crop that successfully replaces corn as cattle feed<\/SPAN><\/B>.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">Their research <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">highlights the promise of using salty water to turn the salty soil in the world&#8217;s arid regions into sustainable agricultural<\/SPAN><\/B> <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">land<\/SPAN><\/B>. Just published online in the <SPAN style=\"COLOR: #3366ff\">j<B style=\"mso-bidi-font-weight: normal\">ournal Agriculture<\/B><\/SPAN>, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Ecosystems and Environment<\/SPAN><\/B> ahead of the February issue, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">the study identified a plant that could thrive in yet-unusable lands near the coasts in much of the world<\/SPAN><\/B>. <\/SPAN><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">But don&#8217;t throw away your salt-shakers &#8211; the beef from the cattle raised on it tastes just the same as the meat you&#8217;re used to.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">&#8216;<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">It seems odd that salty soil and salty water could produce useful crops<\/SPAN><\/B>, but that&#8217;s what this study showed,&#8217; said Brent Nielsen, chair of BYU&#8217;s microbiology and molecular biology department and corresponding author on the study. &#8216;It&#8217;s exciting to share in work that directly benefits people who need to find more land in order to produce the food and income they need to survive.&#8217;<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">The research team focused on a plant called <B style=\"mso-bidi-font-weight: normal\"><I style=\"mso-bidi-font-style: normal\"><SPAN style=\"COLOR: #3366ff\">Panicum turgidum<\/SPAN><\/I><\/B> that can <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">grow in salty conditions<\/SPAN><\/B>. They measured its protein content and determined that it could be <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">a suitable alternative to existing cattle feed<\/SPAN><\/B>. Then they<B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\"> tested its growth potential when irrigated with the salty water found in the area<\/SPAN><\/B>. They showed that <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Panicum grew so fast it could be harvested almost monthly<\/SPAN><\/B>. Overall, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">with limited fertiliser, they produced 60,000 kilograms per hectare<\/SPAN><\/B> during the yearlong study. Nielsen is confident that further studies that determine the best ratios of fertiliser will boost that number over 100,000 kilograms.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">The researchers also used <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">nature to preserve a sustainable growing environment. Panicum is a &#8216;salt excluder<\/SPAN><\/B>,&#8217; meaning it survives salty conditions by keeping salt out of its system, which most other plants can&#8217;t do. <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">Although this allows Panicum to grow on salty water, the extra salt deposited by irrigation would render the soil too salty for even this hardy plant<\/SPAN><\/B>. So the researchers <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">found that planting a companion crop that is a &#8216;salt accumulator&#8217; prevented the soil from getting too salty<\/SPAN><\/B>. The other plant sucked up the extra salt, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">then was harvested and burned and the ashes turned into soap<\/SPAN><\/B>. <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">After the yearlong study, the levels of salt in the soil were virtually unchanged<\/SPAN><\/B>.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"FONT-SIZE: 9pt; COLOR: #3366ff; FONT-FAMILY: Arial\">The Balochistan region of southern Pakistan<\/SPAN><\/B><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">, where Nielsen&#8217;s collaborators conducted the test, <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">is one of the world&#8217;s driest places, and the underground water supply is &#8216;brackish&#8217; or salty because<\/SPAN><\/B> of its proximity to the Indian Ocean.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">There is a strong demand for fodder to feed the cattle that are a main source of income in the region, so a crop that can grow successfully in these conditions &#8216;would have enormous impact on the quality of life in local communities,&#8217; said Ajmal Khan, a professor at the University of Karachi, director of the Pakistani research team and first author on the paper.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><B style=\"mso-bidi-font-weight: normal\"><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; COLOR: #3366ff; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">The Panicum was fed to cattle, and the cattle grew as big or bigger as those fed corn, with similar amounts of protein in their meat<\/SPAN><\/B><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">. As world populations grow and agricultural land is threatened, this new approach can open up more crops for both livestock and humans, Nielsen said. &#8216;By being able to transfer production of animal feed closer to the coasts, where you have these <B style=\"mso-bidi-font-weight: normal\"><SPAN style=\"COLOR: #3366ff\">salty soils<\/SPAN><\/B>, more useful agricultural lands can be free for vegetable and grain production for human consumption,&#8217; he said.<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">Now that Nielsen and his research colleagues have established that their approach works, they are taking a closer look at how the plant uses &#8216;tricks of nature&#8217; to survive a salty environment. Then the researchers want to explore breeding those traits into more traditional food crops. <\/SPAN><B style=\"mso-bidi-font-weight: normal\"><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; COLOR: #3366ff; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">Another possibility is discovering the genes that help it tolerate salt and genetically engineering other plants to do the same<\/SPAN><\/B><SPAN lang=EN-GB style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB\">. Nielsen&#8217;s collaboration with Khan and his other Pakistani colleagues grew out of Khan&#8217;s multiple stints at BYU under the guidance of now-retired BYU scientist Darrell Weber. <\/SPAN><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">Khan, whose wife Bilquees Gul earned her Ph.D. at BYU and is also a coauthor on the study, said he hopes to &#8216;continue 23 years of very useful association with BYU.&#8217;<o:p><\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\"><o:p>&nbsp;<\/o:p><\/SPAN><\/P> <P class=MsoNormal style=\"MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify\"><SPAN style=\"FONT-SIZE: 9pt; FONT-FAMILY: Arial\">Source: <A href=\"http:\/\/www.sciencecentric.com\/resources\/browse.php?q=000528\"><FONT color=#000099>Brigham Young University<\/FONT><\/A><o:p><\/o:p><\/SPAN><\/P><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; La utilizaci\u00f3n de suelos salinos con fines agropecuarios es del m\u00e1ximo inter\u00e9s, dada la gran extensi\u00f3n que cubren los suelos naturalmente salinos, as\u00ed como los salinizados debido a un deficiente sistema de irrigaci\u00f3n. El bolet\u00edn de noticias \u201cScience Centric\u201d public\u00f3 en diciembre de 2008 un interesante nota que llevaba por t\u00edtulo: \u201cSalt water irrigation: Study shows it works\u201d, basada en un art\u00edculo recientemente aparecido en la revista Agriculture, Ecosystems and Environment. De acuerdo a sus autores resulta posible su explotaci\u00f3n utilizando una planta forrajera tolerante a la sal en combinaci\u00f3n con otra bioacumuladora de la misma, que tras ser\u2026<\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[612,613,600],"tags":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":4}},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/posts\/110067"}],"collection":[{"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/comments?post=110067"}],"version-history":[{"count":2,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/posts\/110067\/revisions"}],"predecessor-version":[{"id":134815,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/posts\/110067\/revisions\/134815"}],"wp:attachment":[{"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/media?parent=110067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/categories?post=110067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madrimasd.org\/blogs\/universo\/wp-json\/wp\/v2\/tags?post=110067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}