TY  - BOOK
AU  - Chen, Y.
TI  - Role of Organic in modern agriculture
U1  - SOILS 631.87 C32R 
PY  - 1986///
CY  - Boston
PB  - Martinus Nijhoff
KW  - ORGANIC WASTES AS FERTILIZERS
KW  - CROPS AND SOILS - HUMUS
KW  - PLANT GROWING MEDIA
KW  - SOIL MICROBIOLOGY
ER  -