Variety x irrigation trial at Pongola
This trial was planted in the spring of 1978 on a deep,
well-drained Shorrocks loam with an estimated total available
moisture (TAM) capacity of 200 mm, The three varieties
(NCo 376, N52/219 and N11) and four irrigation
treatments were randomized in four replications. Each of
the 48 plots (12 x 9 m) could be irrigated independently
from a perforated pipe supported just above the canopy on
telescopic masts.