SCI
机构:
来源:CANADIAN JOURNAL OF SOIL SCIENCE年份:2004
关键词:
phosphorus fractions
labile P fraction
sequential P extraction
urea
swine manure
cattle manure
SCI
机构:
来源:NUTRIENT CYCLING IN AGROECOSYSTEMS年份:2003
关键词:
multiple cropping
nitrogen
phosphorus
potassium
root barrier
root interactions
SCI
机构:
来源:CANADIAN JOURNAL OF SOIL SCIENCE年份:2003
关键词:
Cu fraction
Zn fraction
sequential Cu extraction
sequential Zn extraction
urea
swine manure
cattle manure
SCI
机构:
来源:JOURNAL OF PLANT NUTRITION年份:2003
关键词:
faba bean
intercropping
fertilizer
maize
nutrient acquisition
wheat
SCI
机构:
来源:PHYTOPATHOLOGY年份:2001
关键词:
quantitative genetics
slow rusting
yellow rust
SCI
机构:
来源:FIELD CROPS RESEARCH年份:2001
关键词:
compensation
growth
intercropping
maize
nutrient acquisition
recovery and soybean
SCI
机构:
来源:CROP PROTECTION年份:2001
关键词:
Gaeumannomyces graminis
seed treatment
chemical control
root rot
SCI
机构:
来源:FIELD CROPS RESEARCH年份:2001
关键词:
intercropping
interspecific competition
interspecific facilitation
maize
nutrient uptake
soybean
wheat
yield advantage