Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail:									Walter.Albus@ndsu.edu

Strip-Till, Corn on Corn Nitrogen Rate Study
				Soil Nitrate-N		Chlorophyll
Fertilizer	Grain	Harvest	Test	Fall	Fall	meter reading		Stalk	Grain			Silk
N Rate	Yield¹	Moisture	Weight	2009	2008	16-Jul	3-Aug	Nitrate-N	Oil	Protein	Starch	Date
	bu/ac	%	lb/bu					---ppm---	----------%--------------

20	65.9	21.9	47.7	12	9	23.6	23.4	67	3.67	6.19	73.73	7/31
50	81.1	23.3	46.7	18	8	25.7	27.1	91	3.80	6.15	73.17	7/31
100	127.5	23.7	46.3	18	8	35.6	37.7	67	3.50	6.05	73.73	7/30
150	171.7	22.8	48.4	15	9	38.7	47.3	1120	3.21	6.67	73.65	7/29
200	202.1	20.9	50.1	27	11	41.6	51.5	285	3.01	7.20	73.52	7/27

Mean	129.66	22.5	47.8	18	9	33.0	37.4	326	3.44	6.45	73.56
CV%	4.37	6.0	1.3	28	19	6.4	4.7	307	5.62	2.32	0.51
LSD.05	8.822	2.1	1.0	8	NS	3.3	2.7	1559	0.30	0.23	0.58

¹Yield adjusted to 15.5% moisture.
Planting Date = May 8; Harvest Date = November 18; Previous Crop = Corn.
Fertilizer Rate lb/acre = See table for N, 40 P₂O₅, 17 S; Irrigation = 6.75"

See also:		Strip-Till, Corn on Soybean Nitrogen Rate Study
		Corn row width and hybrid study
		Field Corn Hybrid Performance Trial Study
See pictures strip-till continuous corn
Go to detailed material and methods

Go to Oakes Irrigation Research Site Variety Performance Trials
Go to Oakes Irrigation Research Site crop index
Go to Oakes Irrigation Research Site 2009 Annual Report
Go to Oakes Irrigation Research Site home page