To date, 67 trials nationwide have been conducted on a mixture of dry and irrigated land, on clover based pasture over periods ranging from 15 to 58 days.
Average trial length was 25 days
Over 100,000 individual pasture measurements
12 trials did not show a nitrogen response
All trials replicated to take into account variations between trial plots.
Summary table - All trials (pdf)
Summary table - Independent trials (pdf)
Summary table - Donaghys trials (pdf)
Summary table - Extended trials (pdf)
Summary table - No Nitrogen Response trials (pdf)