TY  - GEN
TI  - Potassium in the agricultural systems of the humid tropics: Proceedings of the 19th colloquium of the international potash institute held in bangkok
U1  - 631.8 
PY  - 1985///
CY  - Bangkok
PB  - International potash institute
KW  - Fertilizers,soil conditioners,growth regulators
KW  - Agriculture and related technologies
KW  - Specific techniques
ER  -