Potassium Workshop
Potassium Workshop - Worblaufen-Bern, Switzerland International Potash Institute 1980 - 200 p. ill. 30 cm.
"Jointly organized by the International Institute of Tropical Agriculture (I.I.T.A.), Ibadan, Nigeria and the International Potash Institute (I.P.I.), Bern, Switzerland."
84201347
Crops and soils
Crops
Potassium in agriculture
Soils
S645 / .P66 1980
631.83(063) / P859