Release of potassium and magnesium from some Philippine soils

Manylion Llyfryddiaeth
Prif Awdur:	Tantidhanapat, Prapat 1948-
Fformat:	Llyfr
Iaith:	English
Pynciau:	Soil fertility. Soils > Magnesium content. Soils > Potassium content. Soils > Philippines.