Oral Session
S08 Nutrient Management & Soil & Plant AnalysisThe history of Soil Fertility in the US during the past 75 years is broken down into three distinct eras and discussed. The three eras discussed are: The first 25 years--Soil Testing/Problem Solving Era; The second 25 years--The Fertilizer Era; and the last 25 years--The Environmental Era.
Cosponsor(s):
Soil Fertility & Plant Nutrition
Monday, November 2, 2009: 4:15 PM-6:30 PM
Convention Center, Room 403-404, Fourth Floor
Organizers:
Thomas Thompson
and
Richard Norman
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See more from this Division: S08 Nutrient Management & Soil & Plant Analysis
See more from this Division: S08 Nutrient Management & Soil & Plant Analysis