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All Journal Ganendra: Majalah IPTEK Nuklir Ilmiah Manajemen Bisnis JTSL (Jurnal Tanah dan Sumberdaya Lahan) AGRIVITA, Journal of Agricultural Science JPAP (Jurnal Praktisi Administrasi Pendidikan)
Bambang Siswanto
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Environmental Science Social Sciences Other

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PENGARUH PEMBERIAN BERBAGAI JENIS BAHAN ORGANIK TERHADAP SIFAT KIMIA TANAH PADA PERTUMBUHAN DAN PRODUKSI TANAMAN UBI JALAR DI ENTISOL NGRANGKAH PAWON, KEDIRI Fahriansyah Nur Afandi; Bambang Siswanto; Yulia Nuraini
Jurnal Tanah dan Sumberdaya Lahan Vol. 2 No. 2 (2015)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Ngrangkah Pawon Village of East Java is one of the areas that was affected by Mount Kelud eruption which occurred in 2014. The eruption caused soils choked by volcanic ash. Volcanic materials cannot supply nutrients needed by plants as the volcanic materials are recent materials that have not undergone complete weathering. Entisols that dominate the Ngrangkah Pawon area. have low levels of clay and organic matter, so they have low water holding capacity that causes the soils having low water content and low N, P, and K contents. The purpose of this study was to explore the effect of organic matter in the form of chicken manure, cow manure and compost on nutrient contents available in an Entisol so sweet potato plant could grow and generating production increases. Treatments tested in this study were combinations of chicken manure with doses of 5, 10, 15 t ha-1 (B1D1, B1D2, B1D3), cow dung with doses of 5, 10, 15 t ha-1 (B2d1, B2D2 B2D3), and compost with doses of 5, 10, 15 t ha-1 (B3D1, B3D2, B3, D3). One control treatment (B0D0) was also included in the research design. Ten treatments were arranged in a randomized complete block design with three replications. At each plot treatment sweet potatoes were planted until harvest (3 months). Parameters observed at the time of harvest were soil pH, contents of C, N, P, and K, uptake of N, P and K by plant, and tuber yield. The results showed that the addition of organic matters in the forms of chicken manure, cow dung and compost significantly affected the values of soil pH, contents of C, N, P, and K, uptake of N, P and K by plant. However, all treatment could not significantly increase sweet potato tuber yield.
PENGARUH APLIKASI HASIL SAMPING INDUSTRI RUMPUT LAUT TERHADAP SIFAT KIMIA TANAH DAN PERTUMBUHAN TANAMAN JAGUNG Rahmat Satriya; Bambang Siswanto; Yulia Nuraini
Jurnal Tanah dan Sumberdaya Lahan Vol. 3 No. 2 (2016)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Improvement of soil productivity can be made by application of organic waste. Ne of organic wastes having potential to be used as organic materials is seaweed industry waste. The objective of this study was to find out the effects of application of seaweed industry waste on chemical properties of an Inceptisol and growth of maize. Treatments tested in this study were P1= Urea 100kg ha-1, KCl 100 kg ha-1; P2 = P1 + seaweed industry waste 5 t ha-1; P3 = P1 + seaweed industry waste 10 t ha-1; and P4 = P1 + seaweed industry waste 15 t ha-1.Maize seeds were grown for 45 days. The results showed that application of seaweed industry waste affected soil chemical properties (pH,  C organic, available P, available K, and available K) nutrients uptake by maize (N, P and K uptake), and maize growth.
PENGARUH PEMBERIAN ABU KETEL TERHADAP SIFAT FISIK TANAH, PERTUMBUHAN DAN PRODUKSI TANAMAN TEBU PADA ULTISOL DI PABRIK GULA BONE, SULAWESI SELATAN Kiromil Abror; Bambang Siswanto; Wani Hadi Utomo
Jurnal Tanah dan Sumberdaya Lahan Vol. 4 No. 1 (2017)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Waste of Bone sugar factory in the form of sugarcane boiler ash has not been used optimally, yet the sugarcane boiler ash contains significant amounts of K, Ca, Mg and P.  The objective of this study was to elucidate the effects of sugarcane boiler ash on soil physical properties, and growth and yield of PSBM 901 sugarcane variety at Bone sugar Factory. Treatments tested in this study were Kontrol (Urea 300 kg ha-1, SP36 200 kg ha-1, KCL 100 kg ha-1, Dolomit 1 t ha-1) (P1),  compost 6 t ha-1 (P2),  sugarcane boiler ash 40 t ha-1 + compost 6 t ha-1 (P3), sugarcane boiler ash 40 t ha-1 (P4), sugarcane boiler ash 40 t ha-1 without K fertilizer (P5), and sugarcane boiler ash 40 t ha-1 without dolomite (P6). The results showed that the P6 treatment (P6) was able to decrease soil bulk density by of 0.8 g cm-3 and soil particle density from 2.52 g cm-3 to 2.08 g cm-3. Furthermore, the P6 treatment was also able to increase the total soil porosity to 51.1% volume and aggregate stability value from 0.8 mm to 1.2 mm. The P6 treatment was also  able to increase growth,  trunk of sugarcane,  and number of tillers sugarcane. The best value of sugarcane production was shown by the P6 treatment with the value of 51.56 t ha-1. The highest profit of Rp. 15.585.528,53.was obtained from the P5 treatment.
Co-Authors Agus Purwadi Carolina Eva Nita Fahriansyah Nur Afandi Kiromil Abror Kisman Topani Lely Susita Lely Susita R.M. Masahito Yoshikawa Novi Arfarita Rahmat Satriya Retno Suntari Shunya Yamamoto Sri Sulamdari Sudjatmoko . Sudjatmoko Sudjatmoko Suharni Suharni Suharno . Tjipto Sujitno Trimardji Atmono Wani Hadi Utomo Widdi Usada Wirjoadi . Wirjoadi Wirjoadi Yulia Nuraini Yunanto Yunanto