Page 182 - Ilmu Tanah

The Chemistry and Fertility of Soils under Tropical Weeds 169

Salam, A.K., A. Iswati, S. Yusnaini, and A. Niswati. 1997c. Status kesuburan tanah dalam
pertanaman singkong (Manihot esculenta Crantz) di Gunung Batin Lampung Utara: 1.
Tingkat ketersediaan unsur hara. J. Agrotrop., 2(1):35-41. (In Indonesian).
Salam, A.K., S. Yusnaini, and A. Niswati. 1997d. Status kesuburan tanah dalam pertanaman
singkong (Manihot esculenta Crantz) di Gunung Batin Lampung Utara: 2. Aktivitas enzim
tanah. J. Agrotrop., 2(1):42-47. (In Indonesian).
Salam, A.K., N. Sriyani, M. Heradilla, and A. Septiana. 1997e. Alang-alang (Imperata
cylindrica [L.] Beauv.) mengubah sifat kimia dan biokimia tanah tercemar timah hitam.
Pros III Seminar Nasional Biologi XV, Bandar Lampung (1997):1026-1029. (In
Indonesian).
Salam, A.K. and P.A. Helmke. 1998. The pH dependence of free ionic activities and total
dissolved concentrations of copper and cadmium in soil solution. Geoderma, 83:181-
291.
Salam, A.K., S. Djuniwati, and Sarno. 1998a. Lowering heavy metal solubilities in tropical
soils by lime and cassava-leaf compost additions. Proc. Environ. Technol. Manag. Sem.:
D2-11.
Salam, A.K., A. Katayama, and M. Kimura. 1998b. Activities of some soil enzymes in
different land use systems after deforestation in hilly areas of West Lampung, South
Sumatra, Indonesia. Soil Sci. Plant Nutr., 44(1):93-103.
Salam, A.K., Y. Desvia, R. Subiyantoro, H. Susanto, and M. Utomo. 1998c. Perubahan
aktivitas enzim fosfatase dan glukosidase akibat sistem olah tanah jangka panjang.
pp. 417-422. In Z. Irfan, Z. Lamid, D. Jahya, Irawati, and Ardi (Eds.). Pros. Sem. Nas.
Budidaya Pertanian Olah Tanah Konservasi. Himpunan Ilmu Gulma Indonesia. Padang.
(In Indonesian).
Salam, A.K., J. Susilo, and N. Sriyani. 1998d. Lead availability and absorption by green
kyllinga, corn, and amaranth in Gedongmeneng soil treated with a lead-containing
electronics industrial waste and lime. J. Agrotrop., 3(2):19-23.
Salam, A.K., S. Yusnaini, and Rachmalia. 1998e. Perubahan aktivitas fosfatase selama 16
minggu dalam tanah Ultisol Tanjungan Lampung Selatan akibat perlakuan bahan
organik. Pros. Sem. Nas. Peranan Mikrobiologi dalam Agroindustri untuk Menunjang
Ketahanan Pangan Nasional (1998):332-339. (In Indonesian).
Salam, A.K. 1999. Perubahan ketersediaan unsur hara mikro kelompok logam berat akibat
alih fungsi lahan di Lampung Barat. Lingk. Pembangunan, 10(3):176-183. (In
Indonesian).
Salam, A.K., Y. Desvia, E. Sutanto, T. Syam, S.G. Nugroho, and M. Kimura. 1999a. Activities
of soil enzymes in different land-use systems in middle terrace areas of Lampung
Province, South Sumatra, Indonesia. Soil Sci. Plant Nutr., 45(1):89-99.
Salam, A.K., E. Sutanto, Y. Desvia, A. Niswati, Dermiyati, and M. Kimura. 1999b. Activities of
soil enzymes in fields continuously cultivated with cassava, sugarcane, and pineapple in
middle terrace areas of Lampung Province, South Sumatra, Indonesia. Soil Sci. Plant
Nutr., 45 (4):803-809.
Salam, A.K., Afandi, N. Sriyani, and M. Kimura. 2001. Soil enzymatic activities in a hilly
coffee plantation in Lampung Province, South Sumatra, Indonesia, under plant cover
management. Soil Sci. Plant Nutr., 47(4): 695-702.
Salam, A.K. 2014. Enzymes in Tropical Soils. Global Madani Press. Bandar Lampung. 210p.
Salam, A.K. 2017. Management of Heavy Metals in Tropical Soil Environment. Global
Madani Press. Bandar Lampung. 257p.

Abdul Kadir Salam and Nanik Sriyani – 2019