Search Results - "1983"

Ensayo comparativo de rendimiento y adaptación de diez variedades de fríjol voluble (Phaseolus vulgaris L.) en dos regiones de Caldas by Rivera Medina, Hernando, Morales Jaramillo, César Augusto

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Técnica del ensayo inmunoenzimático (ELISA) para demostrar infecciones por B. bovis basados en un antígeno de cultivo de B. bovis. by Doherr, M.G.E.

“…Investigaciones anteriores realizadas en el Instituto de Parasitología, Facultad de Medicina Veterinaria, Hannover, han estado encaminadas al mejoramiento y estandarización de la prueba Indirecta de anticuerpos fluorescentes (IFAT) (Zuemer, 1983; Mueller, 1984). El presente estudio describe el uso de la técnica del ensayo Inmunoenzimático (ELISA), basada en un antígeno derivado de un cultivo de B. bovis, junto con una evaluación crítica de su aplicabilidad práctica mediante la comparación estadística con los resultados de las investigaciones previas.…”
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Prueba de medios de cultivo artificiales para la fructificación de Crinipellis perniciosa by Correa Duque, Carlos Alberto

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Estudio sobre eficiencia de control biológico sobre insectos plagas del algodonero efectuados en Colombia trabajo especial by Acosta Romero, José Nicolás

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Desarrollo y crecimiento de las variedades de cebada (Hordeum vulgare L.), Quibenras mochaca y V-124 by Corchuelo Rozo, G.

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Programa Cultivos Múltiples. by Obando Guerrero, L.E.

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Influencia de la premaduración de la leche en la elaboración del queso tipo Minas by Bonassi, I.A.

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Composición química y uso potencial de subproductos de algunos cultivos en Nigeria by Awolumate, E.O.

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Respuesta de la soya a diferentes sistemas de siembra by Edje, O.T.

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Estudio de sistemas agroforestales en el Experimento Central del CATIE, Turrialba. 3. Producción de residuos vegetales by Alpízar, L., Fassbender, H.W., Heuveldop, J.

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Funcionamiento y eficiencia de una torre modificada para inoculación de esporas de hongos. by Castaño Z., Jairo, Castellanos, Guillermo, Jara, Carlos E., Pastor C., Marcial A.

“…Así, Harter y Zaumeyer (1941) emplearon la técnica de inoculación con una brocha elaborada con pelos de camello; Schein (1964) diseñó un inoculador bastante sofisticado, el cual, permite inocular una cantidad conocida de esporas por área foliar; Davison y Vaughan (1963, 1964) emplearon la técnica de aspersión a presión; Zúñiga y Victoria (1975) emplearon el método de inoculación con unaespátula;y recientemente Stavely (1983) diseñó una técnica de inoculación consistente en acondicionar un tubo de plástico a la boquilla de un aerosol. …”
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CGIAR Mid Term Meeting, Paris, May 24-26, 1982: Main Conclusions Reached and Decisions Taken and Informal Summary of Proceedings by CGIAR Secretariat

“…The plan required a 20% increase in funding for 1983 over 1982. The CGIAR discussed a report on the status of implementation of recommendations of the second CGIAR system review.Annexes: list of participants, and revision of the five year plan.…”
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Resultados y Lecciones en Red de Turismo Rural para la Agricultura Familiar Campesina : Proyectos de Innovación en IX Región de la Araucanía : Gestión

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Alley cropping with Leucaena leucocephala (Lam) de Wit and Acioa barteri (Hook F.) Engl. by Siaw, D.E.K.A., Kang, B.T., Okali, D.U.U.

“…Hedgerows were established in 1983, using 4 m interhedgerow spacing and pruned to 25 cm height during cropping. …”
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Moving forward with the international undertaking: Legal mechanisms to alleviate mistrust by Bragdon, S. H., International Plant Genetic Resources Institute

“…The International Undertaking (IU) ' a non-binding intergovernmental agreement to promote the conservation, exchange and utilization of plant genetic resources ' was conceived in controversy during meetings held by the Food and Agriculture Organization (FAO) between 1981 and 1983. The acrimony and distrust that characterized those discussions, and indeed much of the history of germplasm development and exchange, continues to influence the negotiations to revise the IU to bring it in harmony with the Convention on Biological Diversity (CBD). …”
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Report on CTA’s Intellectual Legacy Assets by Khadar, Ibrahim

“…Although the process of closing CTA continued into 2021, the work described in this report was carried out between March and December 2020. Established in 1983, CTA actively supported agricultural transformation in African, Caribbean and Pacific (ACP) countries for over 35 years, with wide ranging results and uptake of innovative practices in nearly 80 countries. …”
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“Dalbulus maidis (De Long & Wolcott) vector del complejo del achaparramiento del maíz” by Chalarca, Jairo Rodríguez

“…D. maidis tiene una distribución desde California (USA) hasta Argentina, su hospedero principal es el maíz (zea mays) y teosintes (Z. perennis, Z. diploperennis, Z. mays parviglumis y Z. mays mexicana) (Hruska & Peralta, 1997; Nault, 1980, 1983; Nault & Madden, 1985).…”
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Impact of high-density managed aquifer recharge implementation on groundwater storage, food production and resilience: a case from Gujarat, India by Alam, Mohammad Faiz, Pavelic, Paul, Villholth, Karen G., Sikka, Alok, Pande, S.

“…The analysis is carried out for the period from 1983 to 2015. New hydrological insights for the region: Groundwater storage gains observed following CD development can partly be attributed to an increase in high rainfall years after several drought years. …”
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Matches and mismatches between the global distribution of major food crops and climate suitability by Mahaut, Lucie, Pironon, Samuel, Barnagaud, Jan-Yves, Bretagnolle, Francois, Khoury, Colin K., Mehrabi, Zia, Milla, Ruben, Philipps, Charlotte, Rieseberg, Loren H., Violle, Cyrille, Renard, Delphine

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Effect of eight tillage treatment on a tropical Alfisol: Maize growth and yield by Lal, R.

“…The effects of eight methods of preplanning tillage systems were investigated on maize growth and yield for eight consecutive crops grown from 1980 to 1983 on an Alfisol in south-west Nigeria. The tillage systems were: (A) no-till with residue mulch, (B) no-till with chiselling in the row zone to 50 cm depth, (C) mouldboard ploughing followed by (fb) harrowing, (D) disc ploughing fb rotovation, (E) no-till without residue mulch, (F) mouldboard ploughing at the end of rains, (G) mouldboard ploughing fb two harrowings with residue mulch (H) mouldboard ploughing fb two harrowings and ridging. …”
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