Ali Jamil
(Balai Pengkajian Teknologi Pertanian (BPTP) Balitbangtan Riau, Badan Penelitian dan Pengembangan Pertanian, Kementerian Pertania, 2007-12-02)
The surly lands of the tropic, which fall into the company of the order of ultisoi and ocsisol are further overgrown, conceives In large quantities a colloid of unassigned variables, has ph Earth (soil: water 1:1) lower ...