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Fig. 2. A schematic diagram of the arrangement of treatments within one replicate. The four cap designs were applied at random to the four 16 x 24 m plots of the replicate, which are shown as four separate columns. The three irrigation treatments were applied at random as strips corresponding to the three rows in the diagram. Then, each of the twelve combinations of cap design and irrigation in the replicate were divided into two split plots, and to each pair the vegetation treatments native species mix (N) and grass (G) were allocated at random. An example of a randomization is shown. Each of the replicates was re-randomized. The smallest cells in the diagram each correspond to a split plot of 8 x 8 m.
