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中图分类法(3)
马克思主义、列宁主义、毛泽东思想、邓小平理论(2)
农业科学(1)
在“
自然资源管理
”中,
命中:
3
条,耗时:小于0.01 秒
1.
A whole-farm
p
rofitability analysis of organic and conventional cro
pp
ing systems
作者:
Timothy A. Delbridge
;
Carmen Fernholz
;
Robert
P
.
King
;
William Lazarus
关键词:
Organic
;
Farm size
;
Overhead costs
;
P
rofitability
;
Stochastic dominance
刊名:Agricultural Systems
年:2013
2.
Human Im
p
act Since Medieval Times and Recent Ecological Restorationin a Mediterranean Lake: The Laguna Zo?ar, Southern S
p
ain
作者:
Blas L. Valero-Garcés
;
P
enélo
p
e González-Sam
p
ériz
;
Ana Navas
;
Javier Machín
;
P
ilar Mata
;
Antonio Delgado-Huertas
;
Robert
o Bao
;
Ana Moreno
;
José S. Carrión and Antje Schwalb
;
et al.
关键词:
Ecological restoration
;
Human im
p
act
;
Late Holocene
;
Olive cultivation
;
P
aleohydrology
;
Western Mediterranean
刊名:Journal of
P
aleolimnology
出版者:S
p
ringer Netherlands
年:2006
3.
Integrated assessment of Hadley Centre (HadCM2) climate change
p
rojections on agricultural
p
roductivity and irrigation water su
pp
ly in the conterminous United States: I. Climate change scenarios and i
作者:
Rosenberg
;
Norman J.
;
Brown
;
Robert
A.
;
Izaurralde
;
R. Cesar
;
Thomson
;
Allison M.
关键词:
Global warming
;
Irrigation
;
Eva
p
otrans
p
iration
;
Runoff
;
CO2-fertilization effect
刊名:Agricultural and Forest Meteorology
年:2003
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