TY  - JOUR
AN  - 014535868
AU  - Werner,W.
PY  - 1971
TI  - Investigations on the availability of phosphorus in soil receiving long-term phosphate fertilizing. 2. Availability of alteration products with defective apatite structure in neutral and calcareous soils
JO  - Zeitschrift fur Pflanzenernahrung und Bodenkunde
VL  - 129
IS  - 1
SP  - 30
EP  - 42
UR  - https://eurekamag.com/research/014/535/014535868.php
ER  -