TY  - JOUR
AN  - 015322737
PY  - 1976/01/01
TI  - Comparative study of techniques to evaluate the availability of potassium in soils. iI. extraction of potassium with ammonium acetate nitrogen and 0.01 normal calcium chloride, Delta F, percent of saturation of potassium and b
JO  - Anales de edafologia y agrobiologia
VL  - 35
IS  - 11-12
SP  - 1147
EP  - 1154
UR  - https://eurekamag.com/research/015/322/015322737.php
ER  -