7.1. Example for nutrient and fertilizer supply (or lab chemical) to a pot experiment where coarse sand was used as a substrate
Element/nutrient	g kg−1 substrate	Fertilizer/chemical	Per kg substrate
N	1.5	Ca(NO3)2 (g)	12.6
P	0.2	CaSO4 (g)	4.0
K	1.5	KH2PO4 (g)	0.88
Ca	0.7	K2SO4 (g)	2.9
Mg	0.2	K2O-MgO (g)	2.0
S	0.4
Fe	0.007	Fe-EDTTA (ml)	0.1
Mn	0.006	MnSO4 (mg)	18.0
Zn	0.008	ZnSO4 (mg)	20.0
B	0.01	H3BO3 (mg)	57.0
Cu	0.008	CuSO4 (mg)	32.0
Mo	0.001	MoO4 (mg)	1.7