MENU

Judul	:	Soil pH and solubility of alumunium, iron, and phsphorus in ultisols: the roles of humic acid
Pengarang	:	Hairi Ifansyah
Sumber	:	Jurnal Tanah Tropika, Vol 18
Volume	:	18
No	:	3
Perpustakaan	:	pertanian
Abstrak	: