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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:
11
条,耗时:小于0.01 秒
1.
Integrating sheep grazing into wheat-
fallow
systems: Crop yield and soil properties
作者:
Andrew W. Lenssena
;
alenssen@iastate.edu
;
Upendra M. Sainjub
;
Patrick G. Hatfieldc
关键词:
Cropping systems
;
Semiarid
;
Northern Great Plains
;
Tilled summer
fallow
;
Chemical
fallow
;
Grazed summer
fallow
;
Spring wheat
;
Winter wheat
;
Sheep
;
Integrated livestock and grain farming systems
刊名:Field Crops Research
年:2013
2.
Response of the copro-necrophagous beetle (Coleoptera: Scarabaeinae) assemblage to a range of soil characteristics and livestock management in a tropical landscape
作者:
Patrícia Menegaz De Farias
;
Lucrecia Arellano…
关键词:
Scarabaeinae
;
Species diversity
;
Silvopastoral systems
;
Guazuma ulmifolia
;
Tropical dry forest
;
Pasture
;
Livestock management
刊名:Journal of Insect Conservation
出版者:Springer Netherlands
年:2015
3.
Effects of input management and crop diversity on non-renewable energy use efficiency of cropping systems in the Canadian Prairie
作者:
R.P. Zentnera
;
zentnerr@agr.gc.ca
;
P. Basnyata
;
S.A. Brandtb
;
A.G. Thomasc
;
D. Ulrichb
;
C.A. Campbelld
;
C.N. Nagye
;
B. Frickf
;
R. Lemkec
;
S.S. Malhig
;
M.R. Fernandeza
关键词:
Energy inputs
;
Energy output
;
Energy use efficiency
;
Cropping systems
;
Annual grains
;
Forage crops
刊名:European Journal of Agronomy
年:2011
4.
Soil fertility affected by land use history, relief position, and parent material under a tropical climate in NW-Vietnam
作者:
Gerhard Clemens
;
Sabine Fiedler
;
Nguyen Dinh Cong
;
Nyuyen Van Dung
;
Ulrich Schuler
;
Karl Stahr
关键词:
Soil erosion
;
Sustainability
;
Local knowledge
;
Soil properties
刊名:Catena
年:2010
5.
Responses of soil crusting, runoff and erosion to
fallow
ing in the sub-humid and semi-arid regions of West Africa
作者:
Valentin
;
C.
;
Rajot
;
J.-L.
;
Mitja
;
D.
关键词:
Fallow
;
West Africa
;
Soil crusting
;
Runoff
;
Water erosion
;
Wind erosion
刊名:Agriculture, Ecosystems & Environment
年:2004
6.
Effects of living mulches or residue amendments on soil microbial properties in direct seeded cropping systems of Madagascar
作者:
Bodovololona Rabary
;
Saidou Sall
;
Philippe Letourmy
;
Olivier Husson
;
Eliane Ralambofetra
;
Narcisse Moussa
;
Jean-Luc Chotte
关键词:
Microbial biomass
;
Microbial activity
;
Direct seeding
;
Crop residues
;
Living mulch
;
Andic Dystrustept
刊名:Applied Soil Ecology
年:2008
7.
Weed management through short-term improved
fallow
s in tropical agroecosystems
作者:
R. S. Gallagher
;
E. C. M. Fernandes and E. L. McCallie
关键词:
fallow
management
;
integrated weed management
;
sustainable agriculture
;
weed ecology
刊名:Agroforestry Systems
年:1999
8.
Exploring diversity in soil fertility management of smallholder farms in western Kenya: I. Heterogeneity at region and farm scale
作者:
P. Tittonell
;
B. Vanlauwe
;
P.A. Leffelaar
;
E.C. Rowe and K.E. Giller
关键词:
Soil fertility gradients
;
Farm typology
;
Sub-Saharan Africa
;
Nutrient balances
;
Manure
;
Fertiliser
刊名:Agriculture, Ecosystems & Environment
年:2005
9.
A review of belowground interactions in agroforestry, focussing on mechanisms and management options
作者:
G. Schroth
关键词:
competition
;
complementarity
;
facilitation
;
root activity
;
root distribution
;
root management
刊名:Agroforestry Systems
年:1998
10.
Influence of tillage, crop rotation and nitrogen fertilization on soil organic matter and nitrogen under rain-fed Mediterranean conditions
作者:
Ló
;
pez-Bellido
;
L.
;
Ló
;
pez-Garrido
;
F.J.
;
Fuentes
;
M.
;
Castillo
;
J.E.
;
Ferná
;
ndez
;
E.J.
关键词:
Crop rotation
;
Mineral N
;
N fertilizer
;
Organic matter
;
Rain-fed Mediterranean conditions
;
Tillage
刊名:Soil & Tillage Research
年:1997
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