CD Tesis
Perbaikan Sifat Tanah, Kadar Hara Daun Dan Pertumbuhan Kelapa Sawit Pada Tanah Dystrudepts Yang Diaplikasi Limbah Cair Pabrik Kelapa Sawit Melalui Lubang Resapan Biopori
This study aims to determine the effect of liquid waste of oil palm, the number of
biopore holes and their interaction on soil physical and chemical properties, leaf
nutrient content and oil palm growth in Dystrudepts soil. This study was
conducted from December 2019 to April 2020. This research was conducted in a
3x3 factorial experiment using a completely randomized design, each treatment
was repeated 3 times, each experimental unit consisting of 3 plants. The total
plants used in this experiment were 81 plants. The first factor is the dose of liquid
waste oil palm consisting of 3 levels, i.e: 7,5, 10 and 12.5 L LWOP/ Plant / 2
weeks. The second factor consists of 3 levels, i.e: 2, 4, and 6 biopore infiltration
holes/plant. Data were analyzed using analysis of variance (ANOVA). If the
treatment is significantly different, a further test is carried out with the Tukey’s
Honestly Significant Difference test (Tukey’s HSD) at the 5% level. The results
showed that the application of liquid waste of oil palm, the number of biopore
infiltration holes and the interaction of the two on Dystrudepts soil in general did
not affect on soil physical and chemical properties, leaf nutrient content and oil
palm plant growth.
Keywords : LWOP, biopore, Dystrudepts, oil palm
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