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军事(1)
在“
自然资源管理
”中,
命中:
4
条,耗时:小于0.01 秒
1.
Optimizing intensive cereal-based cropping systems addressing current and future drivers of agricultural change in the northwestern Indo-Gangetic Plains of India
作者:
Mahesh K. Gathala
;
Virender Kumar
;
P.C. Sharma
;
Yashpal S. Saharawat
;
H.S. Jat
;
Mainpal Singh
;
Amit Kumar
;
M.L. Jat
;
E.
Humphreys
;
D.K. Sharma
;
Sheetal Sharma
;
J.K. Ladha
关键词:
Cropping system
;
Indo-Gangetic Plains
;
Conservation agriculture
;
Rice
;
Wheat
;
Best management practices
刊名:Agriculture, Ecosystems & Environment
年:2013
2.
Emerging miners and their growing competitiveness
作者:
David
Humphreys
(1)
关键词:
Mining
;
Vale
;
China
;
Russia
;
Emerging markets
;
Nationalism
刊名:Mineral Economics
年:2011
3.
Aquifers and hyporheic zones: Towards an ecological understanding of groundwater
作者:
Peter J. Hancock
;
Andrew J. Boulton and William F.
Humphreys
关键词:
Stygofauna
;
Hyporheic zone
;
Aquifer ecosystems
;
Groundwater/surface
;
water interactions
;
Human impacts
刊名:Hydrogeology Journal
出版者:Springer Berlin / Heidelberg
年:2005
4.
Sensitivity and uncertainty of the carbon balance of a Pacific Northwest Douglas-fir forest during an El Niño/La Niña cycle
作者:
Morgenstern
;
Kai
;
Andrew Black
;
T.
;
Humphreys
;
Elyn R.
;
Griffis
;
Timothy J.
;
Drewitt
;
Gordon B.
;
et. al.
关键词:
Net ecosystem productivity
;
Douglas-fir
;
Carbon balance
;
Ecosystem photosynthesis
;
Ecosystem respiration
;
Eddy covariance
;
Error analysis
刊名:Agricultural and Forest Meteorology
年:2004
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