North Dakota State University * Dickinson Research Extension Center
1089 State Avenue, Dickinson, ND 58601-4642 Voice: (701) 483-2348 FAX: (701) 483-2005

Wheat-Pea Tillage Trial, Wheat 2002		Dickinson, ND
	Yield	Test Weight	Protein	Seeds per Pound
	bu/ac	lbs/bu	%
Tillage
Conventional	28.5	51.6	17.5	18,582
Reduced	30.4	53.5	16.9	18,706
None	38.8	58.4	16.3	15,600
F-test	*	*	*	*
Rotation
Wheat/Pea	37.7	53.4	16.8	17,689
Wheat/Wheat	27.4	55.7	17.0	17,570
F-test	*	*	NS	NS
Trial Mean	32.6	54.5	16.9	17,629
C.V.%	15.9	2.4	2.8	8.2

* = significant at the P<.05 level

NS = not significant

Wheat-Pea Tillage Trial, Pea 2002			Dickinson, ND
	Seeds per Pound	Test Weight	Grain Yield			3 Year Average
			2000	2001	2002
		lbs/bu	--------lbs/ac--------			lbs/ac
Tillage
Conventional	2,280	62.5	2,035	2,761	1,226	2,007
Reduced	2,145	63.8	2,611	2,762	1,345	2,239
None	1,915	64.4	3,472	3,011	1,358	2,614
Trial Mean	2,113	63.5	2,706	2,845	1,310	--
C.V. %	3.5	0.8	11.5	9.8	13.2	--
LSD .05	128	0.9	539	NS	NS	--

NS = not significant

Wheat-Canola Tillage Trial, Wheat 2002			Dickinson, ND
	Plant Stand	Yield	Test Weight	Protein	Seeds per Pound	Tillers per plant
	plants/acre	bu/ac	lbs/bu	%
Tillage
Conventional	1,300,019	22.9	48.7	17.9	20,785	1.1
Reduced	1,256,499	26.0	54.3	16.4	18,599	1.0
None	1,139,098	27.7	57.0	16.8	17,707	1.1
F-test	*	NS	*	NS	NS	NS
Rotation
Wheat/Canola	1,271,681	25.5	50.8	17.4	19,885	1.3
Wheat/Wheat	1,192,064	25.6	55.9	16.7	18,176	0.9
F-test	NS	NS	*	*	*	NS
Trial Mean	1,231,872	25.5	53.4	17.0	19,030	1.1
C.V.%	10.3	23.5	5.8	3.2	5.1	41.8

* = significant at the P<.05 level

NS = not significant

Wheat-Canola Tillage Trial, Canola 2002						Dickinson, ND
	Seeds per Pound	Plant Count	Test Weight	Oil @ 8.5% Moisture	Grain Yield		2 Year Average
					2001	2002
		plants/acre	lbs/bu	%	lbs/ac		lbs/ac
Tillage
Conventional	101,252	201,910	49.0	38.8	926	14	470
Reduced	89,139	280,347	49.0	38.5	999	29	514
None	104,495	173,572	49.5	38.9	1,117	100	608
Trial Mean	98,295	218,610	49.3	38.7	1,014	48	--
C.V. %	4.5	20.8	2.6	1.0	20.2	110.6	--
LSD .05	7,585	78,814	NS	NS	NS	NS	--

NS = not significant

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Email: drec@ndsuext.nodak.edu