专题首页
中图分类法(109)
马克思主义、列宁主义、毛泽东思想、邓小平理论(43)
社会科学总论(7)
军事(20)
文学(1)
天文学、地球科学(19)
农业科学(2)
在“
自然资源管理
”中,
命中:
109
条,耗时:小于0.01 秒
1.
Weed and Nitrogen Management Effects on Weed Infestation and
Crop
Productivity of Wheat–Mungbean Sequence in Conventional and Conservation Tillage Practices
作者:
C. P. Nath
;
T. K. Das
;
K. S. Rana
;
R. Bhattacharyya
;
H. Pathak…
关键词:
Crop
residue
;
Herbicides
;
Nitrogen management
;
Resources
;
use
efficiency
;
System productivity
;
Tillage
刊名:Agricultural Research
出版者:Springer India
年:2017
2.
Spatial characteristics of nitrogen flows in the
crop
and livestock production system of Shanxi Province, China
作者:
Jianjie Zhanga
;
b
;
Caixia Guoa
;
b
;
Yigong Zhangc
;
Peiyu Hanc
;
Qiang Zhanga
;
b
;
sxsnkytfs@163.com" class="auth_mail" title="E-mail the corresponding author
关键词:
Crop
&ndash
;
livestock production
;
Nitrogen flows
;
Nitrogen
use
efficiency
;
Shanxi
;
Spatial characteristics
;
Sustainable development
刊名:Acta Ecologica Sinica
年:2016
3.
Rangeland forage availability and management in times of drought - A case study of pastoralists in Afar, Ethiopia
作者:
Anna C. Treydtea
;
b
;
anna@treydte.com
;
Andrea Schmiedgena
;
spondrea@gmx.net
;
Gebreyohannes Berhanec
;
g.berhane216@yahoo.com
;
Kidanie D. Tarekegnd
;
kdessalegn@yahoo.com
关键词:
Cattle
;
Crop
residue
s
;
Herbaceous and woody vegetation
;
Livestock
;
Natural resources
刊名:Journal of Arid Environments
年:2017
4.
Rangeland forage availability and management in times of drought - A case study of pastoralists in Afar, Ethiopia
作者:
Anna C. Treydtea
;
b
;
anna@treydte.com
;
Andrea Schmiedgena
;
spondrea@gmx.net
;
Gebreyohannes Berhanec
;
g.berhane216@yahoo.com
;
Kidanie D. Tarekegnd
;
kdessalegn@yahoo.com
关键词:
Cattle
;
Crop
residue
s
;
Herbaceous and woody vegetation
;
Livestock
;
Natural resources
刊名:Journal of Arid Environments
年:2017
5.
Biomass transfers and nutrient budgets of the agro-pastoral systems in a village territory in south-western Burkina Faso
作者:
Tidiane Diarisso
;
Marc Corbeels
;
Nadine Andrieu…
关键词:
Agro
;
pastoralism
;
Communal grazing
;
Crop
–livestock farming
;
Crop
residue
s
;
Nutrient balances
;
Resource flows
;
West Africa
刊名:Nutrient Cycling in Agroecosystems
出版者:Springer Netherlands
年:2015
6.
A fourth principle is required to define Conservation Agriculture in sub-Saharan Africa: The appropriate
use
of fertilizer to enhance
crop
productivity
作者:
B. Vanlauwe
;
J. Wendt
;
K.E. Giller
;
M. Corbeels
;
B. Gerard
;
C. Nolte
关键词:
Mulch
;
Integrated Soil Fertility Management
;
Smallholder farmers
;
Organic resources
刊名:Field
Crop
s Research
年:January, 2014
7.
Energy
use
efficiency and greenho
use
gas emissions of farming systems in north Iran
作者:
Ali Mohammadi
;
Shahin Rafiee
;
Ali Jafari
;
Alireza Keyhani
;
Seyed Hashem Mousavi-Avval
;
S
;
erine Nonhebel
关键词:
Energy inputs
;
Irrigation
;
Crop
residue
s
;
GHG emissions
;
Carbon dioxide
刊名:Renewable and Sustainable Energy Reviews
年:February, 2014
8.
Roots rather than shoot
residue
s drive soil arthropod communities of arable fields
作者:
Nicole Scheunemann
;
Christoph Digel
;
Stefan Scheu
;
Olaf Butenschoen
关键词:
Aboveground
;
Belowground
;
13C
;
Maize
residue
s
;
Food web
;
Carbon flux
刊名:Oecologia
出版者:Springer Berlin / Heidelberg
年:2015
9.
Effects of input management and
crop
diversity on non-renewable energy
use
efficiency of
crop
ping 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
;
Crop
ping systems
;
Annual grains
;
Forage
crop
s
刊名:European Journal of Agronomy
年:2011
10.
Susceptibility of soil to wind erosion in arid area of the Central Rift Valley of Ethiopia
作者:
Gurmessa Biyensa
;
Ambachew Demissie
;
Bekele Lemma
关键词:
Andosols
;
Dry aggregation stability
;
Land degradation
;
Crop
residue
removal
刊名:Environmental Systems Research
出版者:Springer Berlin Heidelberg
年:2015
1
2
3
4
5
6
7
8
9
按检索点细分(109)
关键词(2)
摘要(105)
按年细分(109)
2031年及以后(4)
2017年(3)
2016年(3)
2015年(4)
2014年(2)
2013年(7)
2012年(14)
2011年(10)
2010年(8)
2009年(8)
2008年(6)
2007年(4)
2006年(2)
2005年(2)
2004年(5)
2003年(5)
2002年(3)
2001年(6)
2000年及以前(13)
按来源细分(109)
Elsevier(83)
Springer(26)
按类型细分(109)
期刊(109)