TY - BOOK ID - 14384890 TI - [ Plantenziekten ] PY - 1989 PB - Wageningen DB - UniCat KW - PPR Plant Protection KW - plant diseases KW - phytopathology KW - nutrient deficiency KW - pests and diseases UR - https://www.unicat.be/uniCat?func=search&query=sysid:14384890 AB - ER -