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首页> 外文期刊>Acta Horticulturae >Atmodripper system for precision plant irrigation.
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Atmodripper system for precision plant irrigation.

机译：用于精密植物灌溉的Atmodripper系统。

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摘要

Atmodripper is a trickle irrigation system in which the water out-flow is controlled by an air influx. This system enables real time adjustments of the water out-flow and make drippers less susceptible to clogging, because water flows through tubes with an internal diameter between 3 and 5 mm. The atmodripper can be used to deliver very small water fluxes, bellow 5 ml/h, needed to irrigate pots with hydrophobic substrate, or high fluxes, above 1.0 L/h, frequently needed for soil applications. The system can be assembled in two ways: (a) linear unities to irrigate field crops; and (b) radial (bubbler) unities to irrigate plant pots in domestic and greenhouse environments. In both conditions the water out-flow can be controlled by: (a) air flow control - the water flow increases linearly between zero and 1.0 L/h and non linearly between 1.0 and about 3.0 L/h; and (b) water pressure control, for a constant air flux, the water flow increases according to the relative height between the air inlet and the dripping outlet tube level. By conveying air with water this system enables complementary actions: (a) improvement of the soil aeration; and (b) the actuation of IrrigasReg. sensors through special air driven valves and irrigation controllers that allow water flow only when the soil water tension is greater than the reference value of such sensors. If a sensor/controller is coupled to each dripper the irrigation can be performed to attend the water requirement of each plant/pot. Consequently, the atmodripper is a new tool for precision irrigation and fertigation of fruits, ornamentals, vegetables, and seedlings in open fields, greenhouse, and domestic environment.
机译：Atmodripper是一种滴流式灌溉系统，其中的出水量由空气流入控制。由于水流经内径在3到5毫米之间的管子，因此该系统可以实时调节出水量，并使滴头不易堵塞。该调水器可用于输送非常小的水流量（波纹管5毫升/小时），这是灌溉带有疏水性基质的盆所需要的，或者是高于1.0升/小时的高流量，这是土壤应用中经常需要的。该系统可以通过两种方式组装：（a）线性单位灌溉大田作物; （b）放射状（起泡器）联合在家庭和温室环境中灌溉花盆。在这两种情况下，都可以通过以下方式控制出水量：（a）空气流量控制-水流量在零和1.0升/小时之间线性增加，而在1.0和约3.0升/小时之间非线性增加; （b）水压控制，对于恒定的空气流量，水流量根据空气入口和滴水出口管之间的相对高度而增加。通过水与空气的输送，该系统可以实现互补作用：（a）改善土壤通气; （b）驱动IrrigasReg。传感器通过特殊的气动阀和灌溉控制器，仅当土壤水张力大于此类传感器的参考值时才允许水流。如果将传感器/控制器连接到每个滴头，则可以执行灌溉以满足每个植物/盆的需水量。因此，atmodripper是一种新工具，可用于在野外，温室和家庭环境中精确灌溉和施肥水果，观赏植物，蔬菜和幼苗。

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