Oklahoma State University

Welcome

Welcome to the NPK web site

 

This site is constructed to contain producer friendly information about nutrient management, fertilizer use, and precision fertilizer application.

Sorghum Sensing

 

Fertility Recommendations and Factsheets.

 

Fertilizer Price Quote: Will update as often as possible
Date: 7/10/2014 Location: Two-Rivers Co-op Web
Source
$/ton
Material

$/lb
N

$/lb
P2O5
$/lb
K20
Anhydrous
82-0-0
     560
0.34
 
 
Urea
46-0-0
     450
0.49
 
 
Liquid UAN
28-0-0
     310 
0.55
 
 
DAP
18-46-0
540
0.49
0.40
 
APP
10-34-0
520
0.55
     0.60
 
Potash
0-0-60
445
 
 
0.37
* $/lb in DAP calculated assuming $ / lb N is equal to Urea
* $/lb in APP calculated assuming $ / lb N is equal to UAN
This is not a guaranteed price!!.
Price Diff 82-0-0 46-0-0 28-0-0 18-46-0 0-0-60
2 m 5-14 -.05 -.11 -.08
-.01
-0.01

6 m 1-14

-.01 +.01 +.02 +.09
0.0
1 yr 6-13 -.13 -.06 -.12
+.01 -.09
2 yr 6-12 -.09 -.34 -.24 +.02 -.18
5 yr 7-09 +.14 +.07 +.22 +.18 -.21

See a graph of the 2, 10 and 50 yr fluctuation in fertilizer price.

 

 

 

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N-Rich Strip 101 Video

PaSS Youth (K-12) Activities


New Pubs and other info 

SOIL 4234: SOIL Nutrient Management is being recorded. To view 40 min lectures on Soil pH, N, P, K and ect Click Here

Nutrient Product Peer Review Summary Table


S. Regional Water Shed Multi-state N-use results 


IPNI Crop Removal Values
PDF

News Letter Articles and Blog

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 OSUNPK Blog: I post data here as it comes in.

Trial Results

Newly updated*

Trials

 


Up and Coming Meetings 

Link to PaSS Event Calendar


Dec 4-5: Ag Expo OKC
Dec 10-11: Winter Crops School, Stillwater
Dec 17: UM Crop Management: Columbia MO Ag Apps
Dec 17: Indiana CCA, Indianapolis Ag Apps

 

 

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