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Agricultural Chemical Usage - Fruit and Vegetable Agricultural Practices
关键词:
USDA agricultural economics statistics Mann Cornell agriculture
年份:
2001
摘要:
, organic fertilizers, harvest-field operations, harvest workers, and t ...
Confined Animal Production and Manure Nutrients
关键词:
Manure
年份:
2001
摘要:
Census of agriculture data were used to estimate manure nutrient produc ...
Benefits of Safer Drinking Water: The Value of Nitrate Reduction
关键词:
Water quality drinking water nitrates benefits contingent valuation
年份:
1997
摘要:
Nitrates in drinking water, which may come from nitrogen fertilizers ap ...
Industrial Uses of Agricultural Materials Situation and Outlook Report (4)
关键词:
manure
年份:
1994
摘要:
Market conditions and research increase industrial use of agricultural materials ...

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