Informasi Detil Paper |
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| Judul: | Pengaruh Terak Baja dan Bokashi Sekam Padi Terhadap Sifat Fisika Tanah Pada Andisol |
| Penulis: | R. Devnita, R. Hudaya & F. Rosana || email: devnitarina@unpad.ac.id |
| Jurnal: | Agrologia Vol. 3 no. 1 - hal. 1-9 Tahun 2014 [ Pertanian ] |
| Keywords: | P-retention, Bulk density, Permeability, Aggregate stability |
| Abstract: | Andisols are considered as productive soils, but their P-retention have to be reduced to increase the available P. This research is concerning the remediation of Andisols using steel slag and bokashi of rice husk to overcome the P problem and to investigate their influence on soil physical aspects. The treatments were arranged in Randomized Block Designed in factorial pattern with two factors: steel slag and bokashi of rice husk, consisted of four level: 0, 2.5, 5.0 and 7.5 % of soil weight (w/w). The treatments were repeated twice, brought a combination of 4 x 4 x 2. The soils with each treatment were mixed thoroughly, filled into the polybags, watered to the field capacity, closed tightly, incubated for four months, and sampled for chemical and physical analyses. The parameters were Pretention, bulk density, permeability and aggregate stability. The result showed that steel slag and bokashi of rice husk were interacted in decreasing P-retention. These combinations had no effect on soil physical characteristics which meant that the treatments did not aggravate the bulk density, soil permeability and aggregate stability. The remediation of Andisol with steel slag and bokashi of rice husk decreased the P-retention, and kept the good aspects of soil physical characteristics. |
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