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Uno de los avances más importantes que se ha dado en la agricultura es el paso de los sistemas de riego por gravedad a los sistemas de riego por goteo o de alta precisión con empleo de soluciones nutritivas. Una solución nutritiva es aquella que contiene los elementos esenciales para la nutrición de las plantas, a una concentración ideal y relaciones óptimas entre los elementos, de tal manera que favorecen la absorción nutrimental por el cultivo. El empleo de soluciones nutritivas permite hacer un manejo eficiente de los insumos, además de disminuir la contaminación del suelo y mantos freáticos<\/strong>. Con este método es posible proporcionarle a las plantas las cantidades necesarias de nutrimentos de acuerdo a su estado fenológico y sus características genotípicas.<\/span><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\t\t\t

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Otro aspecto importante a considerar es el ahorro de agua ya que en sistemas de producción donde se emplea la solución nutritiva, cerca del 70% del agua empleada se aprovecha en la absorción de las plantas mientras que en sistemas convencionales el aprovechamiento es aproximadamente de 10 a 20%, esto tomará mayor importancia conforme la escasez del agua aumente y se elaboran legislaciones más estrictas para regular su uso.<\/span><\/p>\r\n\r\n\t\t\t\t\t\t

Para la preparación de soluciones nutritivas existen factores que hay que tomar en cuenta. En primer lugar necesitamos conocer el cultivo que se desea trabajar, así como sus características fenológicas y genéticas ya que cada cultivo tiene diferentes demandas nutrimentales, además estos requerimientos cambian conforme las plantas se desarrollan. Es importante también conocer la composición nutrimental del suelo o sustrato donde se va a plantar y del agua que se empleará para el riego, conociendo estos factores se puede formular una solución nutritiva ideal para el cultivo, al mismo tiempo propiciar un ahorro económico para el productor pues existen suelos y aguas muy ricas en algunos nutrimentos como el Calcio y Magnesio. Por último, conociendo estos factores se debe de verificar cuáles fuentes de fertilización existen en el mercado para que sea posible abastecer a las plantas con todos los nutrimentos esenciales en concentraciones óptimas. <\/span><\/p>\r\n\t\t\t\t\t\t

La concentración de los nutrimentos en la solución debe ser la requerida por el cultivo, hay que tomar en cuenta que cuando la concentración de un nutrimento  es mayor o menor a la ideal puede afectar negativamente a la absorción de otro nutrimento, por ejemplo,<\/span><\/p>\r\n\r\n <\/div>\r\n\t\t\t <\/div>\r\n\r\n

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una alta concentración de Magnesio (Mg) disminuye la absorción de Calcio (Ca) por la raíz y aplicaciones altas de fósforo causan precipitaciones de Hierro (Fe) y Zinc (Zn), es por ello que es importante realizar el análisis químico del suelo y del agua para que la cantidad de nutrimentos que contienen sean restados en el cálculo de la solución final. Actualmente ya existen hojas de cálculo<\/strong> diseñadas por empresas e investigadores especialistas en nutrición vegetal, estas hojas de cálculo permiten realizar los cálculos de una manera precisa por lo que su uso es altamente recomendable para calcular la cantidad de fertilizantes a agregar en una solución nutritiva.<\/span><\/p>\r\n\r\n\t\t\t

El monitoreo de la solución nutritiva es una herramienta que nos ayuda a verificar que los nutrimentos lleguen de forma oportuna a las plantas. La solución inyectada a la raíz de la planta debe tener un pH de 5.5 a 6.5 para facilitar el acceso nutrimental. El monitoreo de la concentración de nutrimentos en la solución se puede realizar con análisis periódicos de laboratorio o ayuda con mediciones en campo con medidores portátiles de iones como el Ca, Mg, NO<\/span>3<\/sub>, K y Na, la ventaja de usar estos dispositivos portátiles es que se conocen los resultados en el mismo momento.       <\/span><\/p>\r\n\r\n\t\t\t

El monitoreo se realiza determinando la concentración de los nutrimentos en la solución del gotero para verificar que la composición nutrimental cumpla con los parámetros con los que la solución fue formulada, en caso de detectar algún error se procede a ajustar la solución. Para cultivos en sustrato se mide también la concentración de los nutrimentos en la solución del drenaje, para obtener el drenado se puede hacer uso de las bandejas de drenaje donde se puede medir la cantidad de agua que la planta absorbe por día y recolectar el drenado para determinar sus propiedades como pH, CE y concentración de los nutrimentos, esto ayuda a conocer la dinámica de absorción de nutrientes por las plantas.<\/span><\/p>\r\n\r\n\t\t\t

En cultivos en suelo, el empleo de bandejas de drenaje no es posible, se puede hacer el muestreo indirecto del drenaje mediante el uso de extractos saturados del suelo, este extracto es una solución del suelo que se obtiene con la ayuda de un chupatubos. Para ello se recolecta una muestra de suelo a una profundidad correspondiente a las raíces de las plantas, esta muestra se coloca en un recipiente al cual se le inyecta el chupatubos para extraer la solución.<\/span><\/p>\r\n\r\n\t\t\t

Castellanos, J. Z. 2009. Manual de producción de tomate en invernadero. Editorial INTAGRI. 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Preparacion y monitoreo de la solucion nutritiva.pdf","text":"

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Uno de los avances más importantes que se ha dado en la agricultura es el paso de los sistemas de riego por gravedad a los sistemas de riego por goteo o de alta precisión con empleo de soluciones nutritivas. Una solución nutritiva es aquella que contiene los elementos esenciales para la nutrición de las plantas, a una concentración ideal y relaciones óptimas entre los elementos, de tal manera que favorecen la absorción nutrimental por el cultivo. El empleo de soluciones nutritivas permite hacer un manejo eficiente de los insumos, además de disminuir la contaminación del suelo y mantos freáticos<\/strong>. Con este método es posible proporcionarle a las plantas las cantidades necesarias de nutrimentos de acuerdo a su estado fenológico y sus características genotípicas.<\/span><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\t\t\t

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\r\n\t\t\t\r\n\t\t\t\t\t\t\"Jitomate\r\n\t\t\t\t\t\t<\/div>\r\n
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Otro aspecto importante a considerar es el ahorro de agua ya que en sistemas de producción donde se emplea la solución nutritiva, cerca del 70% del agua empleada se aprovecha en la absorción de las plantas mientras que en sistemas convencionales el aprovechamiento es aproximadamente de 10 a 20%, esto tomará mayor importancia conforme la escasez del agua aumente y se elaboran legislaciones más estrictas para regular su uso.<\/span><\/p>\r\n\r\n\t\t\t\t\t\t

Para la preparación de soluciones nutritivas existen factores que hay que tomar en cuenta. En primer lugar necesitamos conocer el cultivo que se desea trabajar, así como sus características fenológicas y genéticas ya que cada cultivo tiene diferentes demandas nutrimentales, además estos requerimientos cambian conforme las plantas se desarrollan. Es importante también conocer la composición nutrimental del suelo o sustrato donde se va a plantar y del agua que se empleará para el riego, conociendo estos factores se puede formular una solución nutritiva ideal para el cultivo, al mismo tiempo propiciar un ahorro económico para el productor pues existen suelos y aguas muy ricas en algunos nutrimentos como el Calcio y Magnesio. Por último, conociendo estos factores se debe de verificar cuáles fuentes de fertilización existen en el mercado para que sea posible abastecer a las plantas con todos los nutrimentos esenciales en concentraciones óptimas. <\/span><\/p>\r\n\t\t\t\t\t\t

La concentración de los nutrimentos en la solución debe ser la requerida por el cultivo, hay que tomar en cuenta que cuando la concentración de un nutrimento  es mayor o menor a la ideal puede afectar negativamente a la absorción de otro nutrimento, por ejemplo,<\/span><\/p>\r\n\r\n <\/div>\r\n\t\t\t <\/div>\r\n\r\n

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una alta concentración de Magnesio (Mg) disminuye la absorción de Calcio (Ca) por la raíz y aplicaciones altas de fósforo causan precipitaciones de Hierro (Fe) y Zinc (Zn), es por ello que es importante realizar el análisis químico del suelo y del agua para que la cantidad de nutrimentos que contienen sean restados en el cálculo de la solución final. Actualmente ya existen hojas de cálculo<\/strong> diseñadas por empresas e investigadores especialistas en nutrición vegetal, estas hojas de cálculo permiten realizar los cálculos de una manera precisa por lo que su uso es altamente recomendable para calcular la cantidad de fertilizantes a agregar en una solución nutritiva.<\/span><\/p>\r\n\r\n\t\t\t

El monitoreo de la solución nutritiva es una herramienta que nos ayuda a verificar que los nutrimentos lleguen de forma oportuna a las plantas. La solución inyectada a la raíz de la planta debe tener un pH de 5.5 a 6.5 para facilitar el acceso nutrimental. El monitoreo de la concentración de nutrimentos en la solución se puede realizar con análisis periódicos de laboratorio o ayuda con mediciones en campo con medidores portátiles de iones como el Ca, Mg, NO<\/span>3<\/sub>, K y Na, la ventaja de usar estos dispositivos portátiles es que se conocen los resultados en el mismo momento.       <\/span><\/p>\r\n\r\n\t\t\t

El monitoreo se realiza determinando la concentración de los nutrimentos en la solución del gotero para verificar que la composición nutrimental cumpla con los parámetros con los que la solución fue formulada, en caso de detectar algún error se procede a ajustar la solución. Para cultivos en sustrato se mide también la concentración de los nutrimentos en la solución del drenaje, para obtener el drenado se puede hacer uso de las bandejas de drenaje donde se puede medir la cantidad de agua que la planta absorbe por día y recolectar el drenado para determinar sus propiedades como pH, CE y concentración de los nutrimentos, esto ayuda a conocer la dinámica de absorción de nutrientes por las plantas.<\/span><\/p>\r\n\r\n\t\t\t

En cultivos en suelo, el empleo de bandejas de drenaje no es posible, se puede hacer el muestreo indirecto del drenaje mediante el uso de extractos saturados del suelo, este extracto es una solución del suelo que se obtiene con la ayuda de un chupatubos. Para ello se recolecta una muestra de suelo a una profundidad correspondiente a las raíces de las plantas, esta muestra se coloca en un recipiente al cual se le inyecta el chupatubos para extraer la solución.<\/span><\/p>\r\n\r\n\t\t\t

Castellanos, J. Z. 2009. Manual de producción de tomate en invernadero. Editorial INTAGRI. México.132-133. <\/span><\/p>\r\n\t\t\t<\/div>\r\n <\/div>\r\n\r\n\r\n\r\n","has_cost":0,"creation":"2014-10-23 00:20:55","updated":"2021-08-05 22:03:26","published":"2014-10-26 21:03:21","cost":0,"badge":"mxn"},"\/articulos\/nutricion-vegetal"]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Handlers\/Strategies\/RequestResponse.php","line":38,"function":"{closure}","args":[{},{},{"category":"nutricion-vegetal","article":"preparacion-monitoreo-dela-solucion-nutritiva","section":"comprar"}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Routing\/Route.php","line":358,"function":"__invoke","class":"Slim\\Handlers\\Strategies\\RequestResponse","type":"->","args":[{},{},{},{"category":"nutricion-vegetal","article":"preparacion-monitoreo-dela-solucion-nutritiva","section":"comprar"}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":65,"function":"handle","class":"Slim\\Routing\\Route","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":65,"function":"handle","class":"Slim\\MiddlewareDispatcher","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Routing\/Route.php","line":315,"function":"handle","class":"Slim\\MiddlewareDispatcher","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Routing\/RouteRunner.php","line":68,"function":"run","class":"Slim\\Routing\\Route","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/twig-view\/src\/TwigMiddleware.php","line":115,"function":"handle","class":"Slim\\Routing\\RouteRunner","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":121,"function":"process","class":"Slim\\Views\\TwigMiddleware","type":"->","args":[{},{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Middleware\/RoutingMiddleware.php","line":45,"function":"handle","class":"Psr\\Http\\Server\\RequestHandlerInterface@anonymous\u0000\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php:108$10","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":121,"function":"process","class":"Slim\\Middleware\\RoutingMiddleware","type":"->","args":[{},{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/Middleware\/ErrorMiddleware.php","line":76,"function":"handle","class":"Psr\\Http\\Server\\RequestHandlerInterface@anonymous\u0000\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php:108$10","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":121,"function":"process","class":"Slim\\Middleware\\ErrorMiddleware","type":"->","args":[{},{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php","line":65,"function":"handle","class":"Psr\\Http\\Server\\RequestHandlerInterface@anonymous\u0000\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/MiddlewareDispatcher.php:108$10","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/App.php","line":199,"function":"handle","class":"Slim\\MiddlewareDispatcher","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/vendor\/slim\/slim\/Slim\/App.php","line":183,"function":"handle","class":"Slim\\App","type":"->","args":[{}]},{"file":"\/home\/intagri\/public_html\/index.php","line":261,"function":"run","class":"Slim\\App","type":"->","args":[]}]}