Kajian Sifat Fisika Tanah pada Areal Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) yang sudah tidak produktif di Kebun PTP. Nusantara II Tanjung Garbus
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Institusion
Universitas Sumatera Utara
Author
Mushowwir, Abdul
Subject
Sifat fisika tanah
Datestamp
2018-12-28 03:56:56
Abstract :
Soil physical properties is an important factor for plant growth. The research was aimed to examine the soil physical properties of undproductive palm oil plantations (Elaeis guineensis Jacq.) at PTP. Nusantara II Tanjung Garbus. The research used survey and soil analysis methods and conducted at the Research and Technology Laboratory of the Faculty of Agriculture, University of Sumatera Utara and Research Center Laboratory of palm oil research centre in Medan. The parameters observed were soil texture, organic matter, porosity, depth of soil effectiveness, soil permeability and water availabilety. The results showed that the type of the soil on PTP. Nusantara II Tanjung Garbus was Entisol, with sand clay at a depth of 5 cm and clay sandy at a depth of 25 cm, the content of organic materials at a depth of 5 cm was ranged from 1.41 % ? 2.36 % and at a depth of 25 cm was ranged from 0.07 % - 1.14 %, porosity of soil at a depth of 5 cm was ranged from 46.60 % ? 52.88 % and at a depth of 25 cm was ranged from 44.78% ? 47.62 % with effective depth of soil in ferns, grass and reeds were 62 cm, 68 cm and 64 cm, soil permeability at a depth of 5 cm was ranged from 5.67 cm/hr ? 19.76 cm/hr and at a depth 25 cm was range from 0.33 cm/hr ? 0.86 cm/hr, the amount of water available for vegetated fields of grasses, grasses and reeds were 11.58%, 5.19% and 7.3%.
Soil physical properties is an important factor for plant growth. The research was aimed to examine the soil physical properties of undproductive palm oil plantations (Elaeis guineensis Jacq.) at PTP. Nusantara II Tanjung Garbus. The research used survey and soil analysis methods and conducted at the Research and Technology Laboratory of the Faculty of Agriculture, University of Sumatera Utara and Research Center Laboratory of palm oil research centre in Medan. The parameters observed were soil texture, organic matter, porosity, depth of soil effectiveness, soil permeability and water availabilety. The results showed that the type of the soil on PTP. Nusantara II Tanjung Garbus was Entisol, with sand clay at a depth of 5 cm and clay sandy at a depth of 25 cm, the content of organic materials at a depth of 5 cm was ranged from 1.41 % ? 2.36 % and at a depth of 25 cm was ranged from 0.07 % - 1.14 %, porosity of soil at a depth of 5 cm was ranged from 46.60 % ? 52.88 % and at a depth of 25 cm was ranged from 44.78% ? 47.62 % with effective depth of soil in ferns, grass and reeds were 62 cm, 68 cm and 64 cm, soil permeability at a depth of 5 cm was ranged from 5.67 cm/hr ? 19.76 cm/hr and at a depth 25 cm was range from 0.33 cm/hr ? 0.86 cm/hr, the amount of water available for vegetated fields of grasses, grasses and reeds were 11.58%, 5.19% and 7.3%.
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