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All Journal Agrikultura Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Ilmiah Teknologi Pertanian Agrotechno Jurnal Teknologi Mineral dan Batubara Jurnal Teknologi Pertanian Andalas Soil REns Jurnal Agro Wiralodra JAGROS : Jurnal Agroteknologi dan Sains (Journal of Agrotechnology Science) Agro Tatanen

Rachmat Harryanto

Fakultas Pertanian, Universitas Padjadjaran

Author-ID : 568250

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Economics, Econometrics & Finance Energy Engineering Immunology & microbiology Languange, Linguistic, Communication & Media Public Health

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The Effect of Steel Slag and Bokashi of Husk to Soil Bulk Density, Soil Aggregate Stability, Soil Porosity and Plant Biomass Broccoli in Andisol Lembang Henly Yulina; Rina Devnita; Rachmat Harryanto
Agrikultura Vol 26, No 2 (2015): Agustus, 2015
Publisher : Fakultas Pertanian Universitas Padjadjaran

ABSTRACTAndisol soil has very good soil physical characteristic, however it has problem with the Pretention. Giving ameliorant to reduce the P retention is expected to maintain, moreover toimprove some soil physical characteristics. The objective of this research was to find out theinteraction between steel slag and bokashi of husk to bulk density, aggregate stability, soil porosityand biomass of broccoli on Andisol Lembang. This study used a randomized block design factorialwith two factors. The first factor was steel slag and the second factor was bokashi of husk. Each ofthem consisted of 4 levels: 0%, 2.5%, 5.0% and 7.5% with two replications. The result of thisresearch showed there was not interaction between steel slag and bokashi of husk to soil bulkdensity, soil aggregate stability, soil porosity and biomass of broccoli. The statistical results showedthat bokashi of husk influence independently to decreasing soil bulk density until 0.53 g cm-3,decreasing soil aggregate stability until 3.25 and increasing soil porosity until 80.22%, but theprovision of steel slag and bokashi of husk didn‟t influence to biomass of broccoli.Keywords : organik matter, silicate, bulk density, agreggate stability, broccoliABSTRAKAndisol mempunyai sifat fisika tanah yang baik, namun bermasalah dengan retensi P. Pemberianamelioran untuk mengurangi retensi P, diharapkan dapat mempertahankan, bahkan meningkatkanbeberapa parameter fisika tanah tersebut. Penelitian bertujuan untuk mengetahui interaksi terakbaja dengan bokashi sekam padi terhadap bobot isi, kemantapan agregat, porositas tanah danbiomassa tanaman brokoli pada Andisol Lembang. Penelitian menggunakan Rancangan AcakKelompok Pola Faktorial dengan dua faktor. Faktor pertama terak baja dan faktor kedua bokashisekam padi masing-masing 4 taraf: 0%, 2,5%, 5,0% dan 7,5%, diulang dua kali. Hasil penelitianmenunjukkan bahwa tidak terjadi interaksi antara terak baja dengan bokashi sekam padi terhadapbobot isi, kemantapan agregat, porositas tanah dan biomassa tanaman brokoli. Hasil statistikmenunjukkan bahwa bokashi sekam padi berpengaruh mandiri untuk menurunkan bobot isi tanahsampai 0.53 g cm-3, menurunkan kemantapan agregat tanah sampai 3,25 dan meningkatkanporositas tanah sampai 80,22%, namun pemberian terak baja dan bokashi sekam padi tidakberpengaruh terhadap biomassa tanaman brokoli.Kata kunci : bahan organik, silikat, bobot isi, kemantapan agregat, brokoli

Respon Air Tersedia dan Bobot Isi Tanah pada Tanaman Jagung Manis dan Brokoli terhadap Kombinasi Terak Baja dan Bokashi Sekam Padi pada Andisol, Lembang Henly Yulina; Rachmat Harryanto; Rina Devnita
Agrikultura Vol 29, No 2 (2018): Agustus, 2018
Publisher : Fakultas Pertanian Universitas Padjadjaran

ABSTRACTResponse of water available and soil bulk density on sweet corn and broccoli of steel slag and husk bokashi combination on Andisol LembangThe objective of this research was to find out responses of water available and soil bulk density on sweet corn and broccoli of steel slag and husk bokashi combination on Andisol Lembang. This study used a randomized block design factorial with two factors. The first factor was steel slag and the second factor was husk bokashi. Each factor onsisted of 4 levels of 0%, 2.5%, 5.0% and 7.5% with two replications. The result showed there was not interaction between steel slag and husk bokashi on water available and soil bulk density on sweet corn and broccoli. Bokashi of husk has an independent effect to water available on sweet corn while bokashi of husk has an independent effect to soil bulk density on sweet corn and broccoli.Keywords: Steel slag, Bokashi of husk, Soil physical characteristic, Sweet corn, BroccoliABSTRAKAndisol mempunyai sifat fisika tanah yang baik, namun bermasalah dengan retensi P. Pemberian amelioran untuk mengurangi retensi P, diharapkan dapat mempertahankan bahkan meningkatkan parameter fisika tanah tersebut. Penelitian bertujuan untuk mengetahui respon air tersedia dan bobot isi tanah pada tanaman jagnung manis dan brokoli terhadap kombinasi terak baja dengan bokashi sekam padi pada Andisol Lembang. Penelitian menggunakan Rancangan Acak Kelompok Pola Faktorial dengan dua faktor. Faktor pertama terak baja dan faktor kedua bokashi sekam padi masing- masing 4 taraf yaitu 0%, 2,5%, 5,0%, dan 7,5%, diulang dua kali. Hasil penelitian menunjukkan bahwa tidak terjadi interaksi antara terak baja dengan bokashi sekam padi terhadap air tersedia dan bobot isi pada tanaman jagung manis dan brokoli. Bokashi sekam padi berpengaruh mandiri terhadap air tersedia pada jagung manis, sedangkan bokashi sekam padi berpengaruh mandiri terhadap bobot isi tanah pada jagung manis dan brokoli.Kata Kunci: Terak baja, Bokashi sekam padi, Ketersediaan air, Bobot isi, Jagung manis, Brokoli

Co-Authors Ade Setiawan Apong Sandrawati Apong Sandrawati Apong Sandrawati Daud Siliwangi Saribun Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah, Ganjar Gina Nurhabibah Henly Yulina Henly Yulina Henly Yulina Henly Yulina Henly Yulina Henly Yulina, Henly Leony Agustine Mahfud Arifin Novarina Darmawan Putri Reginawanti Hindersah Ridha Hudaya Rija Sudirja Rina Devnita Rina Devnita Rina Devnita Rina Devnita Rina Devnita Rina Devnita Rina Devnita

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