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中图分类法(5)
哲学、宗教(5)
在“
自然资源管理
”中,
命中:
5
条,耗时:小于0.01 秒
1.
Spice crops agroforestry systems in the East Usambara Mountains, Tanzania: growth analysis
作者:
T. Reyes
;
R. Quiroz
;
O. Luukkanen and F. de Mendiburu
关键词:
Elettaria cardamomum
;
Gliricidia
sepium
;
Grevillea robusta
;
Land Equivalent Ratio
;
Piper nigrum
;
Growth and yield
刊名:Agroforestry Systems
年:2009
2.
Soil water regime under rotational fallow and alternating hedgerows on an Ultisol in southern Cameroon
作者:
S. Hauser
;
L. Norgrove
;
B. Duguma and E. Asaah
关键词:
Alley cropping
;
Gliricidia
sepium
;
Leucaena leucocephala
;
Natural fallow
;
Nutrient cycling
;
Planted fallow
刊名:Agroforestry Systems
年:2005
3.
Tree-crop interactions in hedgerow intercropping with different tree species and tea in Sri Lanka: 1. Production and resource competition
作者:
W. A. J. M. De Costa and P. Surenthran
关键词:
Hedgerow intercropping
;
Tea
;
Mulching
;
Resource competition
刊名:Agroforestry Systems
年:2005
4.
Soil property changes in contour hedgerow systems on sloping land in the Philippines
作者:
S. Samsuzzaman
;
D. P. Garrity and R. U. Quintana
关键词:
acid soil
;
alley cropping
;
hedge
;
crop competition
;
nutrient dynamics
;
soil fertility
;
sustainability
刊名:Agroforestry Systems
出版者:Springer Netherlands
年:1999
5.
Characterization of multistrata silvopastoral systems on seasonally dry pastures in the Caribbean Region of Colombia
作者:
Y. S. Cajas-Giron and F. L. Sinclair
关键词:
cluster analysis
;
microregion
;
participatory rural appraisal
;
stocking rate
刊名:Agroforestry Systems
年:2001
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