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The Changing Face of the U.S. Grain System
关键词:
traceability
年份:
2007
摘要:
U.S. grains were once exclusively handled by commodity markets char ...
Traceability in the U.S. Food Supply: Economic Theory and Industry Studies
关键词:
traceability
年份:
2004
摘要:
This investigation into the traceability baseline in the United States ...
Re-Engineering the Welfare System-A Study of Administrative Changes to the Food Stamp Program: State Data Collection Instrument
关键词:
tracking
年份:
2002
摘要:
All States in a recent study undertook at least one "re-engineering" ac ...
Agricultural Chemical Usage - Fruit and Vegetable Agricultural Practices
关键词:
USDA agricultural economics statistics Mann Cornell agriculture
年份:
2001
摘要:
l water, organic fertilizers, harvest-field operations, harvest workers ...

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