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马克思主义、列宁主义、毛泽东思想、邓小平理论(1)
在“
自然资源管理
”中,
命中:
2
条,耗时:小于0.01 秒
1.
Productivity of Brachiaria humidicola pastures in the Atlantic forest region of Brazil as affected by stocking rate and the presence of a forage legume
作者:
J. M. Pereira
;
R. M. Tarr¨¦
;
R. Macedo
;
C. de Paula Rezende
;
B. J. R. Alves
;
S. Urquiaga and R. M. Boddey
关键词:
Animal live weight gain
;
Beef cattle
;
Desmodium ovalifolium
;
Forage consumption
;
Net
aerial
primary
production
;
Pasture sustainability
;
Soil fertility
刊名:Nutrient Cycling in Agroecosystems
年:2009
2.
Evaluating the potential use of winter cover crops in corn–soybean systems for sustainable co-
production
of food and fuel
作者:
John M. Baker
;
Timothy J. Griffis
关键词:
Cover crops
;
Rye
;
Biofuel
;
Biomass
刊名:Agricultural and Forest Meteorology
年:2009
1
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