Masganti, Masganti; Balai Pengkajian Teknologi Pertanian Riau, Jl. Kaharudin Nasution No. 341,
Padang Marpoyan, Pekanbaru 10210; Wahyunto, Wahyunto; Balai Besar Litbang Sumberdaya Lahan Pertanian, Jl. Tentara Pelajar No. 12,
Bogor 16114; Dariah, Ai; Balai Penelitian Tanah, Jl. Tentara Pelajar No. 12, Bogor 16114; Nurhayati, Nurhayati; Balai Pengkajian Teknologi PertanianRiau, Jl. Kaharudin Nasution No. 341,
Padang Marpoyan, Pekanbaru 10210; Yusuf, Rachmiwati; Balai Pengkajian Teknologi PertanianRiau, Jl. Kaharudin Nasution No. 341,
Padang Marpoyan, Pekanbaru 10210 (Indonesian Center for Agriculture Land Resource Development, 2014-07-05)