Table 5.

Effects of row-type (RT, single, S or twin, T), seeding rate (SR, seed m^–2), and planting date on seed protein, oil, fatty acids (g kg^–1), sucrose (Suc), stachyose (Stac), glucose (Glu) (mg g^–1), boron (B, mg kg^–1), phosphorus (P, g kg^–1), and iron (Fe, mg kg^–1) in soybean in Sharkey clay soil in 2009 at Stoneville, MS, USA.

Planting	RT	SR	Protein	Oil	Oleic	Linolenic	Suc	Stac	Glu	B	P	Fe
April		20	420	242	231	67.6	46.5	26.7	2.8	38.3	4.5	66.0
	S	30	413	242	237	66.4	47.2	26.3	2.8	44.7	4.5	66.0
		40	419	237	246	56.7	47.2	29.4	2.6	43.8	5.6	65.5
		50	417	242	256	56.3	45.9	26.3	2.8	36.4	4.5	63.8
		LSD	1.90	2.10	4.20	2.90	1.21	0.70	0.20	3.70	0.07	1.30
		20	409	245	246	60.0	52.8	28.3	4.1	41.1	4.6	57.0
	T	30	408	243	281	61.3	61.5	27.2	4.1	47.2	5.6	66.8
		40	408	244	275	61.5	62.5	26.8	4.1	48.2	5.6	73.3
		50	410	241	266	61.5	46.0	28.0	4.0	48.5	4.3	61.0
		LSD	3.50	2.70	5.00	2.30	1.10	1.10	0.21	1.30	0.08	1.40
May		20	449	217	222	75.4	48.7	23.5	2.9	29.1	3.5	64.0
	S	30	454	215	223	80.3	47.2	22.1	3.1	30.0	3.4	62.5
		40	460	209	218	74.2	48.1	23.7	2.8	34.6	4.4	63.8
		50	458	203	220	77.8	45.5	25.1	2.6	32.0	4.6	60.0
		LSD	2.30	2.00	3.30	3.50	0.81	1.00	0.16	1.90	0.09	1.90
		20	458	203	224	75.9	53.8	24.2	4.1	28.9	4.4	53.0
	T	30	452	206	245	88.5	61.0	23.7	4.0	29.5	5.3	64.5
		40	447	201	230	73.9	62.3	21.8	4.3	38.9	4.6	64.0
		50	452	201	211	71.8	52.0	25.4	4.2	38.4	4.3	54.0
		LSD	4.40	2.90	4.70	2.90	0.91	1.20	0.19	4.50	0.18	1.20
June		20	439	223	204	72.7	55.8	24.2	2.7	26.6	3.4	52.5
	S	30	449	223	207	76.3	51.3	24.7	2.9	34.1	3.5	55.5
		40	441	223	207	81.6	55.3	23.4	3.2	31.4	4.3	53.8
		50	446	227	211	78.8	45.5	26.5	2.7	30.5	4.6	58.8
		LSD	2.40	2.90	3.90	3.60	1.00	1.10	0.16	1.30	0.15	1.70
		20	419	217	220	90.6	59.0	24.5	4.0	28.8	3.7	45.8
	T	30	434	220	201	79.9	63.0	26.4	4.1	37.8	3.5	57.8
		40	433	217	205	82.2	62.0	23.8	4.1	38.5	3.7	63.3
		50	422	224	209	83.7	54.8	27.3	4.1	39.2	3.7	57.8
		LSD	4.10	2.60	7.70	3.40	2.30	1.20	0.20	1.50	0.09	2.70

Means were separated by Fisher’s least significant difference LSD (0.05).