A Manifold for Injecting Insecticides into a Drip Irrigation System for Small Plot Research Trials with Row Crops
Abstract
A 10-port manifold was developed for the injection of insecticides into a drip irrigation system for small plot bell pepper research trials. A 179.1 metric ft lb/s positive displacement Aquaflow® electric chemical metering pump was used to transfer liquid chemical treatments from an 18.9 liter polyethylene bottle through a 10-valve manifold that allowed both water and up to 10 separate chemical treatments to mix and flow into the drip irrigation line of each treatment plot. Because very small amounts of insecticides are injected for small-plot trials, a valve and discharge pipe were built into the manifold to allow for the complete rinse of the system between treatments. This system would be suitable for chemigation research trials in most row crop trials using drip irrigation with or without plastic mulch.Un colector de 10 salidas fue desarrollado para la inyección de insecticidas en un sistema de riego por goteo para ensayos de investigación en pequeñas parcelas de pimiento. Se utilizó una bomba eléctrica de dosificación de productos químicos de 0.34 métricas CV de desplazamiento positivo (Aquaflow®), para la transferencia de los tratamientos químicos líquidos de una botella polietilena de 18.9 litros a través de un colector de 10 válvulas que permiten el agua y hasta 10 tratamientos separados de químicos el mezclarse y fluir en la línea de riego por goteo de cada parcela del tratamiento. Debido a que pequeñas cantidades de insecticidas se inyectan para los ensayos de pequeñas parcelas, se construyó una válvula y una tubería de descarga en el colector para permitir la completa limpieza del sistema entre los tratamientos. Este sistema sería adecuado para los ensayos de investigación sobre los químicos distribuidos por un sistema de riego en la mayoría de los ensayos de cultivos sembrados en surcos que utilizan el riego por goteo, con o sin mantillo plástico.
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