TABLE 3.

Amount of each straight fertiliser compound used to make treatment nutrient solutions.

	Fertiliser compound concentration (mg L–1)
Treatment	Ca(NO3)2	KNO3	NH4NO3	KH2PO4	(NH3)H2PO4	K2SO4	KCl	MgSO4⋅7H2O	CaCl2⋅2H2O
1	650	180	–	180	–	–	–	450	–
2	1400	200	20	180	–	–	–	450	–
3	700	60	–	350	–	–	–	450	–
4	1550	60	–	350	–	–	–	450	–
5	600	200	–	180	–	–	300	450	50
6	1000	600	40	180	–	–	–	450	–
7	600	250	–	375	–	–	150	450	50
8	1100	500	30	350	–	–	–	450	–
9	150	350	–	250	20	–	–	450	300
10	1550	350	–	250	–	–	–	450	–
11	800	400	10	90	–	–	40	450	–
12	950	220	–	400	40	–	–	450	–
13	1100	–	–	220	–	–	–	450	–
14	450	700	40	260	–	–	–	450	150
15	800	400	–	200	50	–	–	450	–
16	800	400	–	200	50	–	–	450	–
17	800	400	–	200	50	–	–	450	–
18	800	400	–	200	50	–	–	450	–
19	800	400	–	200	50	–	–	450	–
20	800	400	–	200	50	–	–	450	–