Nutrient Cycling and Environmental Quality
Importance of "Discovery"
|Date last updated: 01/07/2021|
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NITROGEN SECTION PAPERS/CYCLE
Louis Pasteur 1822-1895
A humble man who truly wanted to make a difference
Bumper Sticker Examples
Bumper Stickers and
N, P, and K Calculations
What is your H-Index (Google Scholar)
What is your H-Index (Web of Science)
CIMMYT Wheat Diseases, Nutrients
ASA Instructional (step by step)
People dying due to hunger versus other causes
Tkachuk, R. 1969. Nitorgen-to-Protein Converstion Factors for Cereals and Oilseed Meals. Canada.
Tkachuk, R. 1977. Calculation of the nitrogen-to-protein conversion factor. p. 78–82. In J.H. Hulse et al. (ed.) Nutritional standards and methods of evaluation for food legume breeders. Int. Dev. Res. Ctr., Ottawa, ON.
SI UNITS concentration
1 percent N = 10,000 ppm
1 percent N = 10,000 mg/kg
1 percent N = 10,000 ug/g
1 percent N = 10 g/kg
g/kg = percent
Corn (56 lb/bu) Wheat (60 lb/bu)
1Mg/ha = 15.9 bu/ac (corn)
1 Mg/ha = 14.9 bu/ac (wheat)
SED = square root(2*MSE/reps)
=square root (2*s2/reps)
Egyptian Scribe on
"It pleases more than bread and beer, more than clothing and ointment. It is worth more than an inheritance in Egypt, more than a tomb in the west.
Hunger is terrible, he said, holding his hand up to his bandaged head. What man wouldnt steal if hes watching his own children starve to death before his very eyes?
Mussa 33, Malawi, Africa, 2002
It is not what you achieve, but what you overcome
(different starting lines)
I have heard it said that the average person is lucky to have only a handful of true friends in their lifetime. Well, I sincerely feel I've got millions. John Wooden once told me "I would rather believe in people and be disappointed some of the time than never believe and be disapppointed all of the time." Jim Nantz
Base Cation Saturation Ratio
044 N. Ag Hall
Department of Plant and Soil Sciences
Oklahoma State University
Stillwater, OK 74078
Tel: (405) 744-6418
FAX: (405) 744-5269
William R. Raun
Scores: "if everyone on planet earth consumed energy and resources like you do, X would happen "
CO2 Emissions from a gallon of gasoline: 8,887 grams CO2 / gallon
CO2 Emissions from a gallon of diesel: 10,180 grams CO2 / gallon
EPA Article Automobile CO2 emissions
|2006, Soil Fertility Handbook|