		Experiment 1					Experiment 2
			Volume of water retained					Volume of water retained
Week	Mulch type	Water passed through mulch	0 hr	1 hr	4 hr	24 hr	Water passed through mulch	0 hr	1 hr	4 hr	24 hr
		(%)	(mL)				(%)	(mL)
0	Pine bark	69	138		130	96	64	147	139	116	96
	Peat moss	53	120		104	79	43	128	121	106	79
	Rice hulls	89	26		20	14	88	29	25	18	15
	LSD_0.05^z	23	9		19	8	18	8	6	14	5
2	Pine bark	75	145	136	124	73	92	172	161	147	119
	Peat moss	68	158	147	135	81	87	159	151	139	112
	Rice hulls	90	54	48	44	34	96	65	58	53	48
	LSD_0.05	13	8	8	8	9	6	10	9	9	9
4	Pine bark	77	142	134	122	72	89	169	160	149	126
	Peat moss	87	173	166	155	101	86	164	173	144	122
	Rice hulls	91	64	58	49	31	92	68	60	53	43
	LSD_0.05	NS	10	9	9	8	NS	9	29	8	7