The heights of plants at the seven distances from the drip lines,
on seven measuring days (Fig. 2a), and the growth-rate variations
of plants at three of these distances during the experiment (Fig. 2b)
revealed the effects of symmetry – one- or two-sided irrigation –
and of plant–dripper distance. The height differences were small
until 21 DAP, and increased later (Fig. 2a): on 35 DAP the plant
heights decreased with distance at distances greater than 20 cm
in the one-side system and at all distances in the two-side system,
and the decreases of height with increasing distance were
less in the one-side than in the two-side system, at all distances.