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马克思主义、列宁主义、毛泽东思想、邓小平理论(2)
在“
自然资源管理
”中,
命中:
2
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.
Wheat farmers adopt the undercutter
fallow
method to reduce wind erosion and sustain profitability
作者:
Douglas L. Young
;
William F. Schillinger
关键词:
CRP
;
Conservation Reserve Program
;
NRCS
;
USDA Natural Resources Conservation Service
;
PNW
;
Pacific Northwest
;
WAWG
;
Washington Association of Wheat Growers
;
WW-SF
;
winter wheat-
summer
fallow
刊名:Soil & Tillage Research
年:2012
1
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