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Agricultural Resources and Environmental Indicators, 2003
关键词:
environment
年份:
2003
摘要:
resources) and commercial inputs (nutrients, pesticides, seed ...
Agricultural Resources and Environmental Indicators, 1996-97
关键词:
AREI natural resources farming practices land use water quality conservation
年份:
1997
摘要:
sector, and describes and assesses public policies that affect conservation and ...
Agricultural Resources and Environmental Indicators, 1994
关键词:
land water production inputs cropping practices technology conservation and environmental programs
年份:
1994
摘要:
sector, and describes and assesses public policies that affect conservation and ...
Atrazine: Environmental Characteristics and Economics of Management
关键词:
benefits
年份:
1994
摘要:
is an important herbicide in the production of corn and other ...

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