Table 5. Tissue test results for corn following soybeans, drill-seeded and water-seeded rice.

Treatment	Plant Part	N	S	P	K	Mg	Ca	Na	Fe	Al	Mn	B	Cu	Zn
		----------------%-----------------							--------mg·kg-1--------
Normal levels
high range		5.00	0.40	0.40	4.00	0.40	1.00	---	250	---	500	18	20	150
low range		1.00	0.10	0.10	1.00	0.10	0.20	---	50	---	20	6	5	25
Soybeans	leaf	3.89	0.18	0.29	1.96	0.16	0.19	0.004	105	12	36	13	8	27
Drill	leaf	3.60	0.24	0.31	3.48	0.18	0.29	0.012	197	57	81	24	10	39
Water	leaf	3.29	0.20	0.17	240	0.20	0.34	0.032	201	56	91	17	6	17
Soybeans	leaf	3.25	0.17	0.28	1.30	0.18	0.27	0.002	89	19	65	11	8	35
Drill	leaf	3.35	0.21	0.33	1.82	0.14	0.27	0.002	100	14	116	16	10	46
Water	leaf	3.11	0.21	0.27	2.33	0.20	0.28	0.015	143	18	102	18	8	21
Soybeans	leaf	3.17	0.22	0.31	1.71	0.29	0.60	0.008	190	45	122	31	17	24
Drill	leaf	2.95	0.20	0.26	1.90	0.19	0.49	0.009	149	32	158	26	14	42
Water	leaf	3.24	0.22	0.31	1.72	0.26	0.49	0.012	153	44	130	37	14	28
Soybeans	root	1.14	0.13	0.09	1.54	0.13	0.26	0.199	1908	623	317	4	41	14
Drill	root	0.93	0.19	0.08	1.77	0.14	0.25	0.366	1221	307	218	4	19	12
Water	root	1.28	0.28	0.13	1.48	0.24	0.46	0.600	2247	522	244	4	26	11