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Fig. 1. Schematic of the experimental layout covering the area irrigated by two adjacent sprinklers and a total of 1820 air-slit containers (25–350A). *: Sprinklers 
: Air-slit containers that were not sampled 
: Air-slit containers (25–350A) that were sampled. Substrate moisture content was monitored by inserting double diode probes through the five central cavities of the container. The height and root collar diameter of the seedlings growing in these cavities were also measured on each of the sampling days. Ø and O: Containers that were sampled at the end of the growing season (27 Sept. 2001) for measurement of root and shoot dry mass and nutrient content analyses (3 plants/container). Ø: Containers that were sampled to quantify the amount of leachate.
