专题首页
中图分类法(68)
马克思主义、列宁主义、毛泽东思想、邓小平理论(30)
哲学、宗教(7)
社会科学总论(7)
军事(16)
在“
自然资源管理
”中,
命中:
68
条,耗时:0.0119957 秒
1.
Uptake
of
nitrogen
from natural food into fish in differently managed polyculture ponds using 15N as tracer
作者:
Johannes Pucher
;
Ulfert Focken
关键词:
Nitrogen
efficiency
;
Polyculture
;
Feed utilization
;
Stable isotopes
;
Natural food resources
;
Semi
;
intensive aquaculture
刊名:Aquaculture International
出版者:Springer International Publishing
年:2017
2.
Aridland constructed treatment wetlands I: Macrophyte productivity, community composition, and
nitrogen
uptake
作者:
Nicholas A. Wellera
;
Daniel L. Childersa
;
dan.childers@asu.edu
;
Laura Turnbullb
;
Robert F. Uphamc
关键词:
Constructed treatment wetlands
;
Macrophyte productivity
;
Arid
;
Nitrogen
;
Macrophyte community composition
刊名:Ecological Engineering
年:2016
3.
Nitrogen
Uptake
in an Alpine Kobresia Pasture on the Tibetan Plateau: Localization by 15N Labeling and Implications for a Vulnerable Ecosystem
作者:
Per-Marten Schleuss
;
Felix Heitkamp
;
Yue Sun
;
Georg Miehe
;
Xingliang Xu…
关键词:
Kobresia pygmaea
;
root activity
;
root biomass
;
plant strategy
;
above
;
belowground trade
;
offs
;
15N partitioning
;
pasture degradation
刊名:Ecosystems
出版者:Springer New York
年:2015
4.
Bed planted rice–wheat rotation at differential soil moisture regimes on soil hydro-physical properties, root growth,
nitrogen
uptake
, and system productivity
作者:
B. U. Choudhury
;
Anil Kumar Singh
关键词:
Resource conserving technology
;
Permanent beds
;
Rice–wheat rotation
;
Nitrogen
uptake
;
System productivity
刊名:Paddy and Water Environment
年:2013
5.
Global sensitivity analysis for an integrated model for simulation of
nitrogen
dynamics under the irrigation with treated wastewater
作者:
Huaiwei Sun
;
Yan Zhu
;
Jinzhong Yang…
关键词:
Treated wastewater
;
Irrigation
;
Nitrogen
dynamics
;
Global sensitivity analysis
刊名:Environmental Science and Pollution Research
出版者:Springer Berlin / Heidelberg
年:2015
6.
Inorganic
nitrogen
losses from irrigated maize fields with narrow buffer strips
作者:
Osvaldo Salazar
;
Claudia Rojas
;
Fernando Avenda?o…
关键词:
Fescue
;
Filter strip
;
N mineralisation
;
N
uptake
;
nonpoint source pollution
;
Water quality
刊名:Nutrient Cycling in Agroecosystems
出版者:Springer Netherlands
年:2015
7.
Improving Yield and
Nitrogen
Use Efficiency Simultaneously for Maize and Wheat in China: A Review
作者:
Qingfeng MENGa
;
b
;
Shanchao YUEa
;
Peng HOUa
;
b
;
Zhenling CUIa
;
cuizl@cau.edu.cn" class="auth_mail" title="E-mail the corresponding author
;
Xinping CHENa
关键词:
crop N requirement
;
high yield
;
integrated soil-crop system management
;
N application timing
;
N demand
刊名:Pedosphere
年:2016
8.
Grassland species root response to drought: consequences for soil carbon and
nitrogen
availability
作者:
Franciska T. de Vries
;
Caley Brown
;
Carly J. Stevens
关键词:
Aboveground
;
belowground linkages
;
Plant functional traits
;
Plasticity
;
Soil microbial properties
;
Soil processes
;
Climate change
刊名:Plant and Soil
出版者:Springer International Publishing
年:2016
9.
From farm to gun and no way back: Habsburg gunpowder production in the eighteenth century and its impact on agriculture and soil fertility
作者:
Dino Güldner
;
Fridolin Krausmann
;
Verena Winiwarter
关键词:
Saltpeter
;
Military
;
Soil fertility
;
Nutrient cycling
;
Environmental history
;
Long
;
term socioecological research (LTSER)
刊名:Regional Environmental Change
出版者:Springer Berlin / Heidelberg
年:2016
10.
Prediction of root zone water and
nitrogen
balance in an irrigated rice field using a simulation model
作者:
Ch. Jyotiprava Dash
;
A. Sarangi
;
D. K. Singh
;
A. K. Singh…
关键词:
Rice
;
Nitrate leaching
;
Groundwater
;
HYDRUS
;
1D
;
Fertilizer use scenario
刊名:Paddy and Water Environment
出版者:Springer Berlin / Heidelberg
年:2015
1
2
3
4
5
6
7
按检索点细分(68)
题名(5)
关键词(8)
摘要(63)
按年细分(68)
2017年(1)
2016年(4)
2015年(6)
2014年(2)
2013年(7)
2012年(4)
2011年(7)
2010年(5)
2009年(5)
2008年(4)
2007年(3)
2006年(6)
2004年(2)
2003年(3)
2002年(1)
2001年(1)
2000年及以前(7)
按来源细分(68)
Elsevier(43)
Springer(25)
按类型细分(68)
期刊(68)