Abstract
This research has been conducted on January until February 2015 at Agrostologi laboratory, industrial feed and soil science laboratory, in State Islamic University Sultan Syarif Kasim Riau. The purposed of the research was to determine the effect of bunch ash, boiler ash, and palm oil sludge with different doses of the red-yellow podsolic fertility. The research used random sampling method that consist of (1). Red-yellow podzolic soil with a bunch ash as much as 5 ton/ha (25 g), 10 ton/ha (50 g), 15 ton/ha (75 g). (2). Red-yellow podzolic soil with boiler ash as much as 5 ton/ha (25 g), 10 ton/ha (75 g), 15 ton/ha (75 g). (3). Red-yellow podzolic soil with sludge as much as 5 ton/ha (25 g), 10 ton/ha (50 g), 15 ton/ha (75 g). Total of treatment were 20 pollybag. Parameters observation consist of value pH H2O, N, P, K. The results showed that bunch ash doses of 15 ton/ha was the best material to improvement of soil chemical properties red-yellow podzolic (pH H2O, P and K), subsequently followed by boiler ash, but a decline N of giving bunch ash and boiler ash while sludge doses 15 ton/ha is the best material to improvement of soil chemical properties N.
Highlights
Tanah merupakan tempat tumbuh dan penyedia unsur hara bagi tanaman
The results showed that bunch ash doses of 15 ton/ha was the best material to improvement of soil chemical properties red-yellow podzolic (pH H2O, P and K), subsequently followed by boiler ash, but a decline N of giving bunch ash and boiler ash while sludge doses 15 ton/ha is the best material to improvement of soil chemical properties N
Pemanfaatan Beberapa Jenis dan Dosis Limbah Kelapa Sawit (Fitri Ramadhani, et al) 16
Summary
Penelitian ini dilaksanakan di Laboratorium Agrostologi, Industri Pakan Dan Ilmu Tanah UIN Suska Riau, sedangkan analisis sifat kimia tanah dilaksanakan di PT Central Plantation Services Provinsi Riau. Bahan yang digunakan adalah tanah podsolik merah kuning, abu janjang, abu boiler dan sludge. Analisis sampel tanah yang dilakukan merupakan hasil komposit dari tanah PMK dengan abu janjang, abu boiler dan sluge yang terdiri (1). Tanah podsolik merah kuning dengan abu janjang sebanyak 5 ton/ha (25 g), 10 ton/ha (50 g), 15 ton/ha (75 g). Tanah podsolik merah kuning dengan abu boiler sebanyak 5 ton/ha (25 g), 10 ton/ha (50 g), 15 ton/ha (75 g). Pelaksanaan penelitian melalui dua tahap, tahap pertama tanah podsolik merah kuning dibersihkan dari kotoran yang ada selanjutnya dikeringudarakan dan dilakukan. Pengayakan dan limbah kelapa sawit sludge sebelum dipakai terlebih dahulu dikeringudarakan karena kondisinya lembab sedangkan abu janjang dan boiler langsung dapat digunakan karena dalam kondisi kering, selanjutnya tanah PMK diambil sebanyak 100 g kemudian dioven dengan tujuan untuk mendapatkan kadar air. Variabel-variabel pengamatan yang dilakukan adalah pH H2O, N, P dan K
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