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Please use this identifier to cite or link to this item: http://repository.uksw.edu/handle/123456789/6248
Title: Pengaruh Dosis Biochar Terhadap Kalium Tanah pada Sistem Pertanian Organik
Authors: Anggono, Rian C Wahyu
Issue Date: 2015
Publisher: Program Studi Agroekteknologi FPB-UKSW
Abstract: Penggunaan Biochar yang terbuat dari bahan sekam padi yang dapat mempengaruhi ketersediaan kalium dalam tanah. Tujuan dari penelitian ini aclalah untuk mengetahui pengaruh dosis Biochar terhaclap ketersecliaan kalium tanah clan mcnentukan dosis Biochar yang paling efektif terhaclap ketersecliaan kalium tanah. Penelitian dilaksanakan di PT. INTEGRATED FARM Kp Lemah Nendeut RT 04/RW 04 Ds. Sukagalih Gaclog Kec. Megamendung, Kabupaten Bogar, Jawa Barat dengan ketinggian tempat ± 9 18 m clpl. Penelitian in i menggunakan Rancangan Acak Kelompok (RAK) clenga.q 6 perlakuan dan 3 ulangan. Perlakuan yang clieobakan aclalah 0; 2,5; 5; 7,5; I 0 dan 15 t/ha. Pengamatan ketersediaan kalium clilakukan pacla 2 kedalaman lapisan tanah yaitu clengan kecla1aman 0-20 em dan 20-40 em. Analisis data untuk mengetahui antar perlakuan dosis Biochar menggunakan uji Duncan's Muliple Range Test (DMRT) pada taraf 5% clan analisis data untuk mengetahui pengaruh keclalaman tanah terhadap kalium menggunakan uji T hitung. Hasil penelitian menunjukkan bahwa pemberian dosis Biochar memberikan pengaruh nyata terhadap kalium lambat tersedia (kalium fiksasi) clan kalium terseclia (K-dd) clalam tanah pada kedalaman 0-20 em, pacla seluruh dosis yang dieobakan menunjukkan pergerakan kalium larut air yang s ignifikan dari lapisan 0-20 em clan 20-40 em dan pemberian Biochar dengan closis 10 ton ha-1 memberikan hasil terbaik untuk ketersediaan kalium lambat tersedia (kalium fiksasi) dan kalium tersedia (K-dd) dalam tanah.
The use of Bioc/wr which made of rice husk could e.f!ect the soil potassium.The research pwpose was to know the effect of Bioc/wr dosage on aPailable soil potassium and to determine the effective of Bioclwr dosage on available soil potassium. The research was conducted in PT INTEGRATED FARM, Lemah Nendeut, RT 04/RW 04, Sukagalih Gadog Village, Megamenchmg Sub district, Bogor regency, West Ja\'(1, at ± 918 111 above sea leFel. The layout research used Randomized Completely Block Design (RCBD) with 6 treatments and 3 replications. The Biochar treatments were ofO; 2,5; 5; 7,5; 10 and 15 t!lw. Parameters to be taken were soil samples with 0-20 em and 20-40 em layer depths. The data ll'as cmalyzed to /mow between of Biochar dosage interactions with Duncan •s Multiple Range Test (DMRT) test on 5% degree of confidence and to /mow the effect of soil depth on potassium by using T test. The result showed that of Bioc/wr dosage significantly effect 011 slowly m•ailable potassium (potassium fixation) and ai'Ciilable potassium(exchangeable potassium) in the soil at the layer of 0-20 em, at all of Biochar dosagtested showed a significantly movement on soil solution potassium at the layer of 0-20 em and 20-40 em in addition, application of Bioc/wr dosage of 10 ton ha-1 has the best result on exchangeable potassium and fixation potassiwn in the soil.
URI: http://repository.uksw.edu/handle/123456789/6248
Appears in Collections:T1 - Agroecotechnology

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