Response Index (N
Rich Strips) that used to be called 2X Strips |
![](100_1142.JPG)
N Rich strips (running left and right) near Esperance, Australia (courtesy
of David Cox) |
![](nrich2.jpg)
![](nrich3.jpg)
Loy Marshall, N Rich
STrip on Left (RI = 1.38 at this site). Jason Lawles on right |
Tom Cannon (Darin Drury)
Ponca City, OK, RESPONSE INDEX = 1.33 |
![](2XStrip%20Ponca%20City.jpg) |
Farmer Cooperator, Tom Cannon & Darin Drury
(picture taken April 11, 2002)
Left of flag, 40 lb N as UAN applied in December + 60 lb N/ac as UAN applied
May 20, 2002
Right of flag, 40 lb N as UAN applied in December |
![](2XStrip%20Ponca%20City2.jpg) |
Reverse of top image |
Steve Clark, RESPONSE INDEX =
1.46 |
![](MVC-025F.JPG)
Farmer Check (Steve Clark, Amorita, OK), taken March
20, 2002
45 lb N applied preplant as urea |
![](MVC-027F.JPG)
Non-N limiting Strip (Steve Clark, Amorita, OK) taken March
20, 2002
92 lb N applied preplant |
Matt Steinert-Beopple
(Covington, OK), RESPONSE INDEX = 1.43 |
![](Steniert_Check.JPG) |
1X Strip (Matt Steinert (Beopple Farm),
Covington,OK), taken March 28, 2002
10 preplant (as 18-46-0), 30 topdress as UAN, January 12, 2002 |
![](Steinert_2XS.JPG) |
Non-N limiting Strip (Matt Steinert (Beopple Farm),
Covington,OK), taken March 28, 2002
10 preplant (as 18-46-0), 60 topdress as UAN, January 12, 2002 |
Kenneth Failes, Cherokee, OK,
RESPONSE INDEX = 1.1 |
Check: 30 lb N preplant as blend (46-0-0,
18-46-0, 35-17-0)
2X Strip: 60 lb N preplant (same blend) 2XStrip to the left of Kenneth
Failes and Kyle Freeman
Picture taken March 20, 2002 |
![](2002_KennethFailes2.JPG)
![](MVC-016F.JPG) |
Loy Marshall, Hennessey, OK,
RESPONSE INDEX = 1.1 |
Check: xx lb N preplant
Non N Limiting Strip: xx lb N preplant
Picture taken March 28, 2002 |
![](2XStri1.jpg) |
Lahoma, OK, OFIT Trial, taken
March 22, 2002, RESPONSE INDEX = 1.28 |
![](Response_Index2.JPG)
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Measuring the Response Index |
![](Gray_Box4.JPG) |
![](Hand_sprayer2002_2.JPG) |
![](Kyle_obregon5.jpg) |
![](Kyle_Robert_Roger_Micah.JPG) |
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