CD Tesis
Pengaruh Berbagai Jarak dari Saluran Land Application (LA) terhadap Sifat Fisik dan Kimia Tanah di Perkebunan Kelapa Sawit PTPN V Sei Buatan
Oil palm plantations in Indonesia are experiencing development, this can be seen from the area of oil palm plantations in 2018 amounting to 14.33 million hectares with production reaching 42.9 million tons of CPO and increasing the area to 14.60 million hectares with an increase in production of 48.42 million tons. In addition to producing CPO, palm oil also produces solid, liquid, and gaseous waste. Palm oil mill liquid waste (LCPKS) that can be used as organic fertilizer is effluent land application deposits. Land Application (LA) is the utilization of liquid waste from the palm oil industry to be used as a fertilizer or fertilization of oil palm plants in the oil palm plantation area itself. The basis of this LA is that in the palm oil mill effluent contains elements that can fertilize the soil.
This study aims to analyze the seepage distance of LCPKS from the LA channel on the physical and chemical properties of the soil, as well as compare productivity between land given and those not given LCPKS. The research was carried out at PTPN V Artificial Sei Garden for three months, from January to March 2021, sampling was carried out on land given by LA and NLA. LA land was taken at distances of 1 m (LA1), 2 m (LA2) and 3 m (LA3) from the LCPKS application channel with depths of 0-30 cm and 30-60 cm which were taken zigzag three times and then analyzed in the laboratory. The physical properties of the soil, soil chemistry and productivity obtained are intact soil extraction (bulk density, permeability, moisture content and porosity) and non-whole soil extraction (cation exchange capacity, C-Organic, N, P, K). The data obtained were analyzed using Anova test and BNT test. The results showed that the closer to the flat bed, the better the physical and chemical properties of the soil, thus affecting bulk density, permeability, moisture content, porosity, cation exchange capacity (CEC), C-Organic, Total N, P available, K available, pH, Na, Ca, and Mg and productivity on land given LCPKS is higher than not given.
Keywords: LCPKS, Land Application, physical and chemical of soil, productivity
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