Soil Plant
Nutrient Cycling and Environmental Quality |
I
Importance of "Discovery" |
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Date last updated: 01/07/2021 | |||||||||||||||||||
Spring 2000 Spring 2012 Spring 2014 Spring 2016
OK Mesonet 2020
BOOK, Update 2015
Class Projects
/ Research Ideas
Field of View, Leaf Orientation
pass-ext.adobeconnect.com (Class Online)
NITROGEN SECTION PAPERS/CYCLE Westerman, NH4 and NO3 Accumulation
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Louis Pasteur 1822-1895 A humble man who truly wanted to make a difference Bumper Sticker Examples Bumper Stickers and Teaching Methods Class Introduction GLOBAL WARMING Animal industry? N, P, and K Calculations What is your H-Index (Google Scholar) What is your H-Index (Web of Science) WORLD COMPANIES CIMMYT Wheat Diseases, Nutrients (Abstract Example) 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) "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) Billy Casper 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 |
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Base Cation Saturation Ratio |
Added Reading, Green Revolution,
Ethanol, etc. |
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044 N. Ag Hall Department of Plant and Soil Sciences Oklahoma State University Stillwater, OK 74078 Tel: (405) 744-6418 FAX: (405) 744-5269 wrr@mail.pss.okstate.edu William R. Raun |
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WORLD USE EFFICIENCY
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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 |
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Precision Agriculture | |||||||||||||||||||
2006, Soil Fertility Handbook | |||||||||||||||||||
CLASSES
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EXAMS
First
Hour Exam 2004
FINAL EXAM 2002, KEY
FINAL Exam (example) |