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Land Use, Land Cover, and Pollinator Health: A Review and Trend Analysis
关键词:
pollinators honey bees land use land cover forage economics
年份:
2017
摘要:
s the literature on the effects of land use on pollinator health and ex ...
Dedicated Energy Crops and Competition for Agricultural Land
关键词:
bioenergy land use energy crops scenarios renewable portfolio standard climate policy
年份:
2017
摘要:
for bioelectricity; however, markets do not presently exist for la ...
Farms and Land in Farms
关键词:
USDA agricultural economics statistics Mann Cornell agriculture
年份:
2017
摘要:
This annual full-text file presents data on the number of farms in oper ...

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