TY  - BOOK
AU  - Jung- Hui,  Yoon
TI  - Chemical characteristics of continuously cropped soils and how to improve them.
PY  - 1989///
CY  - Suweon, (Korea)
PB  - Food & Fertilizer Technology Center
KW  - 1. Soil fertility
KW  - 2. Soil chemistry
ER  -