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马克思主义、列宁主义、毛泽东思想、邓小平理论(7)
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在“
自然资源管理
”中,
命中:
10
条,耗时:小于0.01 秒
1.
Application of a simulation model for assessing integration of smallholder shifting cultivation and sheep production in Yucatán, Mexico
作者:
David Parsons
;
Charles F. Nicholson
;
Robert W. Blake
;
Quirine M. Ketterings
;
Luis Ramí
;
rez-Aviles
;
Jerome H. Cherney
;
Danny G. Fox
关键词:
Crop
x2013
;
livestock interactions
;
Crop
x2013
;
livestock systems
;
Milpa
;
Sheep
;
Shifting cultivation
;
System dynamics
刊名:Agricultural Systems
年:2011
2.
Crossbreeding and intensification of smallholder
crop
x2013
;cattle farming systems in Bhutan
作者:
T. Samdup
;
H.M.J. Udo
;
C.H.A.M. Eilers
;
M.N.M. Ibrahim
;
A.J. van der Zijpp
关键词:
Mixed
farming
;
Crossbreeding
;
Technical performances
;
Gross margins
;
Agro-ecological conditions
;
Bhutan
刊名:Livestock Science
年:2010
3.
Livestock water productivity in
mixed
crop
x2013
;livestock farming systems of the Blue Nile basin: Assessing variability and prospects for improvement
作者:
Amare Haileslassie
;
Don Peden
;
Solomon Gebreselassie
;
Tilahun Amede
;
Katrien Descheemaeker
关键词:
East Africa
;
Ethiopia
;
Livestock
;
Crop
;
Water productivity
;
Farming systems
;
Multiple water use
刊名:Agricultural Systems
年:2009
4.
Identifying key entry-points for strategic management of smallholder farming systems in sub-Saharan Africa using the dynamic farm-scale simulation model NUANCES-FARMSIM
作者:
Mark T. van Wijk
;
Pablo Tittonell
;
Mariana C. Rufino
;
Mario Herrero
;
Cesare Pacini
;
Nico de Ridder
;
Ken E. Giller
关键词:
Mixed
crop
x2013
;
livestock systems
;
Farming system model
;
Sub-Saharan Africa
;
Sensitivity analysis
刊名:Agricultural Systems
年:2009
5.
Implementation and calibration of the parameter-sparse Yield-SAFE model to predict production and land equivalent ratio in
mixed
tree and
crop
systems under two contrasting production situations in Europe
作者:
A.R. Graves
;
P.J. Burgess
;
J. Palma
;
K.J. Keesman
;
W. van der Werf
;
C. Dupraz
;
H. van Keulen
;
F. Herzog
;
M. Mayus
关键词:
Yield-SAFE
;
Plot-SAFE
;
Modelling
;
Simulation
;
Land equivalent ratio
;
LER
;
Crop
yield
;
Timber volume
;
Agroforestry
;
Silvoarable
刊名:Ecological Modelling
年:2010
6.
Quantifying sub-pixel signature of paddy rice field using an artificial neural network
作者:
Manoj Karkee
;
Brian L. Steward
;
Lie Tang
;
Samsuzana A. Aziz
关键词:
Mixed
pixel
;
Artificial neural network
;
Remote sensing
;
Temporal vegetation signature
;
Rice
crop
ping practice
刊名:Computers and Electronics in Agriculture
年:2009
7.
Agroforestry management as an adaptive strategy against potential microclimate extremes in coffee agriculture
作者:
Brenda B. Lin
关键词:
Adaptive management
;
Agroforestry systems
;
Climate change
;
Coffee agriculture
;
Microclimate management
;
Soil moisture fluctuation
刊名:Agricultural and Forest Meteorology
年:2007
8.
A cylindrical salad growth facility with a light-emitting diodes unit as a component for biological life support system for space crews
作者:
A.N. Erokhin
;
Yu.A. Berkovich
;
S.O. Smolianina
;
N.M. Krivobok
;
A.N. Agureev
;
S.K. Kal
;
arov
关键词:
Biological life support
;
Space plant growth facility
;
Crop
productivity
;
Plant growth effectiveness
刊名:Advances in Space Research
年:2006
9.
On quantifying agricultural and water management practices from low spatial resolution RS data using genetic algorithms: A numerical study for
mixed
-pixel environment
作者:
Ines
;
Amor V.M.
;
Honda
;
Kiyoshi
关键词:
Genetic algorithms
;
SWAP simulation model
;
Remote sensing
;
Low spatial resolution
;
Mixed
-pixel
;
Data assimilation
刊名:Advances in Water Resources
年:2005
10.
Soil fertility management in west Kenya: dynamic simulation of productivity, profitability and sustainability at different resource endowment levels
作者:
Shepherd
;
K.D.
;
Soule
;
M.J.
关键词:
Systems analysis
;
Ecological economics
;
Nutrient balance
;
Sustainability indicators
;
Farm systems
;
Kenya
刊名:Agriculture, Ecosystems & Environment
年:1998
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