Potassium in the agricultural systems of the humid tropics: Proceedings
Nineteenth Colloquium of the International Potash Institute
Potassium in the agricultural systems of the humid tropics: Proceedings - Switzerland International Potash Institute 1985 - 405
POTASSIUM - CONGRESSES
POTASSIUM - CONGRESSES
SOILS 631.8 N63P
Potassium in the agricultural systems of the humid tropics: Proceedings - Switzerland International Potash Institute 1985 - 405
POTASSIUM - CONGRESSES
POTASSIUM - CONGRESSES
SOILS 631.8 N63P