Chapters
1. Introduction
2.
Bias in Research
Error example1
Error
example2
3. Organic Carbon (Ranney Paper, OC conversion)
Brazil
C-Stocks
1.
N fertilizers decrease soil organic C,
Khan and Mulvaney
2. JEQ Article, Khan and
Mulvaney
or
High N rates can increase soil organic C,
Raun
Nutrient Content of Crops, USDA
4.
History of Yield
Potential
5. Nitrogen
6. Nitrogen Use Efficiency (Review)
7. Theoretical Applications
R.A. Olson, Soil Testing
8.
Nitrogen Fertilization Optimization Algorithm and the use of CV's
SBNRC-IOWA, Russ Linhardt
Concept, CV-RI
CV RI Homework
Examples/homework
9.
Biometrical Applications (class survey)
Stability Analysis (excel)
Stability Analysis 502
10.
Radioisotopes
supplemental lecture
How can N2O emissions be reduced?
NEWTON
Inverse Distance Square Law
Isaac Newton and 2060
Newton Accomplishments
MS and PhD Preliminary Exam: Prelim 2010
Homework: Estimate cereal P use efficiency, developed and developing world (Improving NUE, 1999)
Assumptions:
1. %
consumption of P fertilizer for cereals
2. cereal grain P values
3. P removed in cereals coming from the soil
Removal of P by field crops (Cornell)
Nutrient Removal (IPNI)
Student Nutrient Cycles
University of Illinois, Basic Mineral Nutrition
First
Hour Exam 2004
Second Hour Exam 2002
FINAL
EXAM 2002, KEY
FINAL
EXAM 2004, KEY
YIELD FIT Program (exe file)
TEXT BOOK
Research and Development Division
http://www.nass.usda.gov/research/avhrr/avhrrmnu.htm
Nitrogen Rich Strip (on left), Jason Lawles, NTech Industries
C
Reading Assignments 2010
1.Estimated Increase in Atmospheric Carbon Dioxide Due to worldwide
decrease in Soil Organic Matter
Great Pacific Garbage Patch Great Pacific Garbage Patch 2
2. The Magruder Plots, Untangling the Puzzle. (Agron J. 1191-1198)
3. Nitrogen Balance in the Magruder Plots Following 109 Years in Continuous Winter Wheat J. Plant Nutr. 26:1561-1580. (pdf)
4. Seasonal and long-term changes in nitrate-nitrogen content of well water in Oklahoma. 1997. J. Environ. Qual 26:1632-1637.
5. Tritium
6. Biofools
7.
Resurgent Forests Can be Greenhouse Sponges (Science)8. Soil Fertility and
Hunger in Africa
9.
Reseeding the Green Revolution
10.
Cereal nitrogen use efficiency in Sub Saharan Africa. J. Plant Nutr.
32:2107-2122
11.
Effect of applied N on organic C, long-term experiments.
12.
Soil Plant Inorganic N Buffering
Agron J 1995 87: 827–834 (summary
page)
268mm = 10.5in
15.
Improving Nitrogen Use Efficiency for
Cereal Production Agron.
J. 91:357-363
M.S. and Ph.D Proficiency Exam
March 11, 2010
Influence of Cation Exchange Capacity and Depth of Incorporation on Ammonia Volatilization from Ammonium Compounds Applied to Calcareous Soils (Fenn and Kissel)
_____________________________________________
Seasonal and long-term changes in nitrate-nitrogen content of well water
in Oklahoma. 1997. J. Environmental Quality,
26:1632-1637. (consult the actual article)
a. The Story of Wheat (from the Economist.com)
b. Use of Stability Analysis for Long-Term Soil Fertility Experiments. Agron J. 85:159-167
Amino Sugar Papers
a. Farm
Journal
b.
Khan, Mulvaney, et al.
c. Khan, Mulvaney, 2001 SSSAJ
1.
Mid-Season Prediction of Wheat Grain Yield Potential Using Plant, Soil,
and Sensor Measurements. J. Plant Nutr.
2. Magruder Plots, Nitrogen Balance following 109 years of continuous winter wheat
3. Optical Sensor Based Algorithm for Crop N Fertilization
6.
Estimated land area increase of agricultural ecosystems to sequester
excess atmospheric carbon dioxide
7. Estimated Increase in Atmospheric Carbon Dioxide Due to Worldwide
Decrease in Soil Organic Matter. Commun. Soil Sci. Plant Anal.
30:1713-1719
8. Soil Plant Inorganic N Buffering (web link)
9. Francis, D.D., J.S. Schepers, and M.F. Vigil. 1993. Post-anthesis nitrogen loss from corn. Agron. J. 85:659-663.
10. Ammonia Volatilization from Surface-Applied Urea: Effect of Hydrogen Ion Buffering Capacity (Soil Sci. Soc. Am. J. 48:578)
11. Reseeding the Green Revolution (Science)
12. The NO2-Flux Conundrum (Science)
13. Nitrogen Oxide Pollution May Spark Seeds' Growth (Science)
14. Global Population and the Nitrogen Cycle (Scientific American)
15. Forecasting Agriculturally Driven Global Environmental Change (Science)
16. Soil Fertility and Hunger in Africa (Science)
17. NSF Report Paints a Global Picture (Science)
18. Improving Nitrogen Use Efficiency for Cereal Production (Agron. J. 91:357-363)
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