TY - THES ID - 128372030 TI - Evolution of the soil fertility under the influence of the intensive cultivation of maize and land evaluation at the Kaniama-Kasese estate (Shaba, Zaïre) AU - Van De Vel, Anne-Marie AU - State University of Ghent. PY - 1986 DB - UniCat KW - Soil fertility. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128372030 AB - ER -