Avail / DAP – Corn * University of Minnesota Waseca, Mn. Contributor: Dr. Gyles Randall PHD Southern Research and Outreach Center Preplant Broadcast ApplicaGon Soil pH: 7.3 Lb. P205/ Acre
Bushels / Acre
Gross Income
Per Acre
@$3.50/bu.
GSP – 18-46-0
50
180.83
$632.91
18-46-0 + Avail
50
192.43
$673.50
(+ $4.08 / Acre)
* Mean Composite of 3 year study at 50lb P205 rate: ’02, ’03, ‘04 Avail Benefit
Per Acre
+ $40.60
Grower ROI 9:1
Avail Interactions with P Rates in Pop-up Corn Starter
Kansas
Treatment
Grain Yield
bu/A
No starter control
194
5 gal/A 10-34-0 (20 lb P2O5/A )
219
2.5 gal/A 10-34-0 + Avail (10 lb P2O5/A )
227
5.0 gal/A 5-17-0 + Avail (10 lb P2O5/A )
228
LSD.10
8
Crete silt loam, pH 6.9; Bray-1 P, 16 ppm;
exch. K 240 ppm soil O.M., 2.8%
Gordon, Kansas State Univ.
KANSAS STATE UNIVERSITY 2006 AVAIL SD FLUID STARTER NO AVAIL 208 bu/A 8 gal 10-­‐34-­‐0 174 bu/A Avail – Spring Wheat ’08 North Dakota (GS) Avail / MAP Broadcast Pre-­‐plant Soil pH: 7.5 Soil Phosphate: 7 ppm Rate P205/A
Yield / Acre
(bushels)
GSP
MAP + Caramba
40lb
83
MAP + Caramba
+ Avail (+$4.80/A)
40lb
89 (+6)
GSP
MAP+Proline+Folicur
40lb
81
MAP+Proline+Folicur
+ Avail (+$4.80/A)
40lb
87 (+6)
Grower ROI -­‐ 9:1 Avail Benefit
ROI / Acre
+$43.20/A
+$43.20/A
K-­‐State 09 Wheat Trials with NutriSphere-­‐N Nitrogen Rate With and Without NSN for Wheat, Belleville, 2009
Treatment
Yield, bu/acre
lb/a N
0
66.5
Urea
Urea+NSN
40
85.3
92.4
60
92.6
101.3
80
99.9
100.7
100
99.6
99.7
LSD(0.05)
6.4
CV%
4.8
Planting Date: Oct 1, 2008
Harvest Date: July 1, 2009
Variety:Fuller
N Application: Feb 21, 2009
Nutrisphere-­‐N •  Soil Nitrogen Level of NO3 & NH4 Rice, Missouri—2006
N Fertilizer
125 lb N/A
Urea
UAN
Am. Nitrate
Urea + Nutrisphere-N
Titonville Silt Loam
N applied 5/17; sampled 6/6
Soil NO3
ppm
71
36
96
74
Soil NH4
ppm
20
30
29
69
Dunn, U of MO
Nutrisphere-­‐N On Corn •  120# UAN Compared to 90# UAN + Agrotain and 90# UAN + Nutrisphere-­‐
N No-Till Corn,
Iowa—2006
Treatments
lb N/A
120 N/A UAN 32% b'cast
90 N/A UAN + Agrotain
90 N/A UAN + Nutrisphere-N
Corn Yields
bu/A
163
167
204
Harlan, IA
NutriSphere-­‐N Effects in UAN Hanlontown Iowa – 2009 Treatment Corn Yield Yield Lb N/A bu/A Increase 180  185.57 180 + N-­‐N 199.84 14.27 NutriSphere –N Effects in UAN FerGle Iowa – 2009 •  Treatment Corn Yield Yield •  Lb N/A bu/A Increase •  140 171.66 •  140 + N-­‐N 180.33 8.67