{"id":13282,"date":"2021-01-27T22:40:17","date_gmt":"2021-01-27T22:40:17","guid":{"rendered":"http:\/\/hv-farm-hub.flywheelsites.com\/?p=13282"},"modified":"2021-09-30T23:17:39","modified_gmt":"2021-09-30T23:17:39","slug":"linking-soil-variability-with-tissue-testing-in-field-corn-unir-la-variabilidad-del-suelo-con-las-pruebas-de-tejido-en-el-maiz-de-campo","status":"publish","type":"post","link":"https:\/\/hvfarmhub.org\/es\/linking-soil-variability-with-tissue-testing-in-field-corn-unir-la-variabilidad-del-suelo-con-las-pruebas-de-tejido-en-el-maiz-de-campo\/","title":{"rendered":"Linking Soil Variability with Tissue Testing in Field Corn \/ Unir la variabilidad del suelo con las pruebas de tejido en el ma\u00edz de campo"},"content":{"rendered":"

(Spanish translation to follow\/traducci\u00f3n en espa\u00f1ol abajo)<\/em><\/p>\n\n\n\n

EXAMINING THE CONNECTION BETWEEN SOILS AND CORN SAP TISSUE TESTS FOR THE HUDSON VALLEY FARM HUB<\/strong><\/h3>\n\n\n\n

By Will Brinton
Will Brinton is Founder of Woods End Laboratories<\/em><\/p>\n\n\n\n

Growing crops successfully in an organic farming system requires special attention to soil quality and nutrient management.  We want to harness the soil\u2019s abilities to provide natural nutrients such as nitrogen and trace elements to the fullest extent possible without outside inputs of nutrients and without depleting the soil.  If our plants do need extra support, we want to do this as naturally as possible.<\/p>\n\n\n\n

For this reason soil and plant testing play an important role, but we don\u2019t know how important. In a current project, tested scientifically on a 10-acre Farm Hub corn field divided into nine parcels of three zones each, we measured a new form of soil health testing (Woods End Labs Soil Health Audit) and compared it to a new form of plant sap analysis by Crop Health Labs which represents NovaCropControl, a research and test center focused on plant sap analysis based in the Netherlands.<\/p>\n\n\n\n

Usually, these kinds of tests are performed separately and rarely combined for an integrated interpretation. In this study we ran them simultaneously in the same zones, and put all the results from the corn field together \u2013 stitching them with sophisticated statistical software into a 3-dimensional model. In this way we could see many patterns emerging, such as plant to plant pattern, plant to soil, and soil to soil.<\/p>\n\n\n\n

\"\"
All Nutrient Factors in Sap and Soil. Courtesy of Woods End Laboratories.<\/figcaption><\/figure><\/div>\n\n\n\n

What we found were many strong interrelationships between various factors. We could detect that as some nutrients go up (in the plant sap), others go down.  For example, if potassium went high then magnesium \u2013 essential for photosynthesis and animal and human nutrition, went down.<\/p>\n\n\n\n

Similarly, we saw the same  pattern with the soil tests and  we called these interactions \u201csynergistic\u201d or \u201cantagonistic\u201d.<\/p>\n\n\n\n

The different tests we performed (sap versus soil)  are described by some scientists as existing on differing time-scales. Sap Tests take the plant juice immediately at the moment and analyze it. Soil tests extract what has accumulated in soil for months if not years.<\/p>\n\n\n\n

It is in some ways like watching a slow moving bank of clouds in the sky versus a patch of leaves blowing on the ground in the same direction \u2013 the movements are related, maybe even correlated, but the leaves appear to be moving much faster relative to the soil layer.<\/p>\n\n\n\n

\"\"
Dark clouds gather over a Kernza field. Photo contributed by Jay Goldmark.<\/figcaption><\/figure><\/div>\n\n\n\n

That\u2019s the same thing with sap versus soil tests \u2013 the sap tests are conceived to reflect short term nutrient gradients on the scale of days to a week, and the soil tests reflect a scale perhaps on the level of weeks to months. Scientifically, we shouldn\u2019t necessarily expect the correlations to be perfect. But we do expect to see a relationship, otherwise we may be wasting effort making management decisions with inappropriate sources of information \u2013 a common dilemma in farming.<\/p>\n\n\n\n

The project is ongoing and the various teams involved are evaluating the data for a later presentation. Already we see important connections of soil nitrogen with sap levels taken from the corn leaves, soil bulk density and tensions between phosphorus and potassium and boron, to name a few. If even partially successful, we should be able to decide how to fine tune testing choices for future improvements and efficiency in overall management.<\/p>\n\n\n\n

Will Brinton is founder and director of Woods End Soil Laboratory in Maine. Brinton founded Woods End while working on an intensive vegetable-grain-goat biodynamic farm in Maine in the 1970\u2019s and studying for his bachelors in agronomy at University of Maine. He  transferred to an international master\u2019s degree program in comparative organic farming science under Nobel Laureate Albert Schatz, through Washington University St. Louis. He earned a doctorate in Environmental Science from Unity College for his work on plant response to composts. Brinton\u2019s lab first introduced soil health tests in the mid 1980\u2019s. His invention of Solvita \u2013 a test showing microbial output visually \u2013 supports the emerging soil health movement and citizen science. He is part of several soil carbon initiatives including Al Gore\u2019s research team at Caney Fork Farm, TN.<\/em><\/p>\n\n\n\n

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EXAMINAR LA CONEXI\u00d3N ENTRE LOS SUELOS Y LAS PRUEBAS DE LA SAVIA DEL TEJIDO DEL MA\u00cdZ PARA HUDSON VALLEY FARM HUB<\/strong><\/h3>\n\n\n\n

Por Will Brinton
Will Brinton es fundador de Woods End Laboratories<\/em><\/p>\n\n\n\n

Cultivar con \u00e9xito en un sistema de agricultura org\u00e1nica requiere atenci\u00f3n especial a la calidad del suelo y el manejo de nutrientes. Queremos aprovechar al m\u00e1ximo la capacidad del suelo para brindar nutrientes naturales como nitr\u00f3geno y rastros sin introducir nutrientes externos y sin agotar el suelo. Si nuestras plantas necesitan apoyo adicional, queremos hacer esto de la forma m\u00e1s natural posible.<\/p>\n\n\n\n

Por esta raz\u00f3n, las pruebas de suelos y plantas tienen un rol importante, pero no sabemos qu\u00e9 tan importante. En un proyecto actual, probado cient\u00edficamente en un campo de ma\u00edz de 10 acres de Farm Hub dividido en nueve parcelas de tres zonas cada una, medimos una nueva forma de pruebas de la salud del suelo (Woods End Lanbs Soil Health Audit) y la comparamos con una nueva forma de an\u00e1lisis de la savia basada en los Pa\u00edses Bajos.<\/p>\n\n\n\n

Normalmente, estos tipos de pruebas se hacen de forma separada y raras veces se combinan para una interpretaci\u00f3n integrada. En este estudio, las hicimos simult\u00e1neamente en las mismas zonas y juntamos todos los resultados del ma\u00edz de campo \u2013uni\u00e9ndolos con una aplicaci\u00f3n estad\u00edstica sofisticada en un modelo tridimensional\u2013. De esta forma, pudimos ver c\u00f3mo emergieron muchos patrones, como patrones de planta a planta, de planta a suelo, y de suelo a suelo.<\/p>\n\n\n\n

\"\"
Todos los factores de nutrientes en la savia y el suelo. Cortes\u00eda de Woods End Laboratories.<\/figcaption><\/figure><\/div>\n\n\n\n

Lo que encontramos fueron muchas interrelaciones entre varios factores. Pudimos detectar que, a medida que algunos nutrientes suben (en la savia de la planta), otros bajan. Por ejemplo, si el potasio sub\u00eda mucho, entonces el magnesio \u2013esencial para la fotos\u00edntesis y la nutrici\u00f3n animal y humana\u2013 bajaba.<\/p>\n\n\n\n

De forma similar, vimos el mismo patr\u00f3n con las pruebas de suelo y llamamos a estas interacciones \u201csin\u00e9rgicas\u201d o \u201cantagonistas\u201d.<\/p>\n\n\n\n

Algunos cient\u00edficos describen las distintas pruebas que hicimos (de savia versus suelo) como existentes en diferentes escalas de tiempo. Las Pruebas de Savia toman el jugo de la planta inmediatamente en el momento y lo analizan. Las pruebas de suelo extraen lo que se ha acumulado en el suelo por meses, y hasta por a\u00f1os.<\/p>\n\n\n\n

De algunas formas, es como mirar c\u00f3mo se mueve lentamente un grupo de nubes en el cielo versus c\u00f3mo vuela un mont\u00f3n de hojas sobre el suelo en la misma direcci\u00f3n \u2013los movimientos est\u00e1n relacionados, quiz\u00e1 hasta correlacionados, pero las hojas parecen moverse a una velocidad mucho mayor en relaci\u00f3n con la capa del suelo\u2013.<\/p>\n\n\n\n

\"\"
Nubes oscuras se juntan sobre un campo de Kernza. Foto contribuida por Jay Goldmark.<\/figcaption><\/figure><\/div>\n\n\n\n

Lo mismo pasa con las pruebas de savia versus de suelo \u2013las pruebas de savia se conciben para reflejar grados de nutrientes a corto plazo en una escala de d\u00edas a una semana, y las pruebas de suelo reflejan una escala quiz\u00e1 a nivel de semanas a meses\u2013. Pero esperamos ver una relaci\u00f3n; de no ser as\u00ed, es posible que estemos malgastando esfuerzos tomando decisiones de manejo con fuentes inapropiadas de informaci\u00f3n \u2013un dilema muy com\u00fan en la agricultura\u2013.<\/p>\n\n\n\n

El proyecto sigue y los diferentes equipos involucrados est\u00e1n evaluando los datos para una presentaci\u00f3n futura. Ya vemos conexiones importantes del nitr\u00f3geno del suelo con los niveles de savia tomados de las hojas de ma\u00edz, la densidad del grueso del suelo y las tensiones entre el f\u00f3sforo y el potasio y el boro, para nombrar algunas. Incluso, si tenemos \u00e9xito parcialmente, debemos poder decidir c\u00f3mo ajustar la configuraci\u00f3n de las pruebas para mejoras futuras y un manejo general eficiente.<\/p>\n\n\n\n

Will Brinton es fundador y director de Woods End Soil Laboratory en Maine. Brinton fund\u00f3 Woods End mientras trabajaba en un rancho biodin\u00e1mico de vegetales-granos-cabras en Maine en la d\u00e9cada de 1970 y estudiaba para su licenciatura en Agronom\u00eda en la Universidad de Maine. Se transfiri\u00f3 a un programa internacional de maestr\u00eda en ciencias agr\u00edcolas org\u00e1nicas comparativas bajo Albert Schatz, ganador del Premio Nobel, a trav\u00e9s de la Universidad de Washington en St. Louis. Obtuvo su doctorado en Ciencias Ambientales de Unity College por su trabajo en la respuesta de plantas a la composta. El laboratorio de Brinton introdujo por primera vez las pruebas de la salud del suelo a mediados de la d\u00e9cada de 1980. Su invenci\u00f3n de Solvita \u2013una prueba que muestra visualmente la producci\u00f3n de microbios<\/em>\u2013 apoya al movimiento emergente de la salud del suelo y las ciencias ciudadanas. Es parte de varias iniciativas de carb\u00f3n en el suelo, incluyendo el equipo de investigaci\u00f3n de Al Gore en Caney Fork Farm, TN.<\/em><\/p>","protected":false},"excerpt":{"rendered":"

Growing crops successfully in an organic farming system requires special attention to soil quality and nutrient management. 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