Table 6.

Summary statistics for measured and simulated nitrate leached (kg N ha^− 1 y^− 1) between 1990 and 1998, Broadbalk wheat experiment. Measurements are from Section 9 only.

Plot no.	Measured		Simulated
	Mean kg N ha− 1 y− 1	Standard deviation/ kg N ha− 1 y− 1	Mean kg N ha− 1 y− 1	Standard deviation/ kg N ha− 1 y− 1	RMSE (%)	Correlation
3	13.00	8.51	11.94	5.99	33.29	0.85
5	11.71	8.92	12.86	6.21	58.56	0.60
6	11.88	9.76	18.24	7.38	111.01	− 0.02
7	15.00	10.38	20.68	7.01	81.13	0.17
8	22.00	16.55	22.73	6.47	65.70	0.36
9	30.00	22.44	32.74	12.83	57.82	0.58
15	42.38	33.31	53.57	17.51	79.79	0.36
16	47.57	47.02	77.51	22.69	107.32	0.23
2.1	76.86	36.19	130.33	50.46	85.84	0.38
2.2	59.00	50.10	105.98	37.58	103.82	0.45