TY  - GEN
AU  - Liu,Xiaobing
AU  - Song,Chunyu
AU  - Herbert,Stephen J
AU  - Xing,Baoshan
TI  - [Ecological effects of cover crops]
SN  - 1001-9332
PY  - 2002///0809
KW  - Biological Availability
KW  - Conservation of Natural Resources
KW  - Crops, Agricultural
KW  - growth & development
KW  - Ecosystem
KW  - Fertilizers
KW  - Nitrates
KW  - chemistry
KW  - Pest Control
KW  - Plant Diseases
KW  - Soil
N1  - Publication Type: Journal Article; Review
ER  -