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All Journal Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Jurnal Hortikultura
A Rachim
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Agriculture, Biological Sciences & Forestry Environmental Science

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Pengaruh Pemberian Sulfur dan Blotong terhadap Pertumbuhan dan Hasil Bawang Merah pada Tanah Inseptisol Muhhamad, Hatta; Sabiham, S; Rachim, A; Adjiuwana, H
Jurnal Hortikultura Vol 13, No 2 (2003): Juni 2003
Publisher : Indonesian Center for Horticultural Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan mengetahui pengaruh sulfur dan blotong terhadap pertumbuhan dan hasil bawang merah di tanah inseptisol. Penelitian dilaksanakan di rumah kaca Kebun Percobaan Jeneponto pada bulan Januari sampai April 2000 dengan rancangan acak lengkap pola faktorial dua faktor dengan empat ulangan. Faktor pertama adalah sulfur yang terdiri atas enam taraf dan blotong sebagai faktor kedua yang terdiri atas tiga taraf. Hasil penelitian menunjukkan bahwa bobot kering tanaman umur satu bulan, bobot umbi saat panen, bobot umbi kering eskip, dan  kelas  umbi dipengaruhi secara nyata oleh sulfur, blotong, dan interaksinya. Sedangkan susut bobot umbi tidak dipengaruhi oleh sulfur, blotong, dan interaksinya. Pemberian 40 ppm sulfur dan 75 g/pot blotong menghasilkan umbi kering eskip dengan bobot tertinggi. Kata Kunci : Allium ascalonicum; Blotong; Sulfur; Hasil; Inseptisol. ABSTRACT. The aim of this experiment was to determine the effect of sulphur and sugarcane filter mud on the growth and yield of shallot. The experiment was con- ducted at Glass House of Jeneponto Experimental Garden on January to April 2000 by using a complete randomised design with factorial pattern consisted of two factors, each treatment was replicated four times. The first factor was sulphur consisted of six rates, and the second factors was filter mud with three rates. The result showed that the plant dry weight one month old, bulbs harvested weight, bulbs weight, bulbs grade were significantly affected by sulphur, sugar cane filter mud, and their interaction. While losses of bulbs weight are not significantly affected by sulphur, filter mud, and their interaction. Application 40 ppm sulphur and 75 g/pot sugarcane filter mud were resulted bulbs highest.
Changes in Phosphorus Fractions on an Acidic Soil Induced by Phosphorus Fertilizer, Organic Matter and Lime A Hartono; P.L.G. Vlek; A Moawad; A Rachim
Jurnal Ilmu Tanah dan Lingkungan Vol 3 No 2 (2000): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (759.811 KB) | DOI: 10.29244/jitl.3.2.1-7

Abstract

One month of incubation experiment was implemented to evaluate the changes of phosphorus fraction in inorganic P (Pi) and organic P (Po) induced by phosphorus fertilizer (KH2P04),cow manure ( manure) and CaC03 (lime). A 0.5 kg oven-dried weight of arable layers of Latosol from Darmaga, Bogor was used in this study. The rates of manure were 0, 12.5 and 25 ffha, lime were 0, 1, 3 times the CaC03 equivalent required to neutralize exchangeable aluminum amounting to 0, 3.01, 9.03 t/ha respectively and the rates of phosphorus fertilizer in KH2P04 were 0, 40 and 80 kg Plha. All treatments increased resin-Pi (biologically available P). Application of phosphorus fertilizer also increased NaHC03-Pi which is also included as biologically available PI whi!e manure and lime only tended to increase this fraction. Phosphorus fertilizer and manure application were able to enhance NaOH-Pi (moderately resistant P related to AI-P and Fe-P ) but lime did not affect it.Phosphorus fertilizer, manure and lime increased HCI-Pi (moderately resistant P related to Ca-P).The changes of NaHC03-Pi to resin-Pi and P immobilization by microorganism, which was indicated by the increase of NaHCOrPo (readily mineralizable), can be attributed to the decrease of NaHC03- Pi. The increase of NaOH-Pi by phosphorus fertilizer and manure indicated that the complexation of P fixation sites by PO6 and organic acids likely had occurred.
The Rate of S-Element Transformation to Sulfate on Three Kinds of Soils With and Without Addition of Organic Matter H Muhammad; S Sabiham; A Rachim; H Adijuwana
Jurnal Ilmu Tanah dan Lingkungan Vol 7 No 1 (2005): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.501 KB) | DOI: 10.29244/jitl.7.1.15-21

Abstract

Defiency of sulfur were found at many areas of farming in Indonesia. The aim of this experiment was to Icnow the rate ofS-element tranformation to sulfate on three kinds of soil without and added of organic matter. The experiment was conducted using a Randomized Complete Design with factorial pattern consist of two factors and two replications. The first factor is kinds of soil, i.e. Udic Haplusters, Typic Haplustepts, and Oxyaquic Udipsamment. The second factor is dosage of S-element consist offive levels i.e. 20, 40, 60, 80, and 100 mg kg"'. Experiment was arranged in two groups, i.e. without and added 1% of organic matter treatment. Sulfate of each treatment was extracted every ten days by Ca(H]PO.J] content of 500 mg kg"' Pand measured by spectrophotometer on A 432 nm. The result showed that the rate of transformation of S-element to sulfate is significantly affected by kind of soil, S-element dosage, and their interaction. That transformation was on the increase by increasing of time incubation, but the oxidized S persentage was on decrease with an increase of S-element dosage. Addition of organic matter accelerated ransformation of S-element to sulfate on the first stage and decreased with an increase of time incubation.
Pengaruh Pemberian Sulfur dan Blotong terhadap Pertumbuhan dan Hasil Bawang Merah pada Tanah Inseptisol Hatta Muhhamad; S Sabiham; A Rachim; H Adjiuwana
Jurnal Hortikultura Vol 13, No 2 (2003): Juni 2003
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v13n2.2003.p95-104

Abstract

Penelitian ini bertujuan mengetahui pengaruh sulfur dan blotong terhadap pertumbuhan dan hasil bawang merah di tanah inseptisol. Penelitian dilaksanakan di rumah kaca Kebun Percobaan Jeneponto pada bulan Januari sampai April 2000 dengan rancangan acak lengkap pola faktorial dua faktor dengan empat ulangan. Faktor pertama adalah sulfur yang terdiri atas enam taraf dan blotong sebagai faktor kedua yang terdiri atas tiga taraf. Hasil penelitian menunjukkan bahwa bobot kering tanaman umur satu bulan, bobot umbi saat panen, bobot umbi kering eskip, dan  kelas  umbi dipengaruhi secara nyata oleh sulfur, blotong, dan interaksinya. Sedangkan susut bobot umbi tidak dipengaruhi oleh sulfur, blotong, dan interaksinya. Pemberian 40 ppm sulfur dan 75 g/pot blotong menghasilkan umbi kering eskip dengan bobot tertinggi. Kata Kunci : Allium ascalonicum; Blotong; Sulfur; Hasil; Inseptisol. ABSTRACT. The aim of this experiment was to determine the effect of sulphur and sugarcane filter mud on the growth and yield of shallot. The experiment was con- ducted at Glass House of Jeneponto Experimental Garden on January to April 2000 by using a complete randomised design with factorial pattern consisted of two factors, each treatment was replicated four times. The first factor was sulphur consisted of six rates, and the second factors was filter mud with three rates. The result showed that the plant dry weight one month old, bulbs harvested weight, bulbs weight, bulbs grade were significantly affected by sulphur, sugar cane filter mud, and their interaction. While losses of bulbs weight are not significantly affected by sulphur, filter mud, and their interaction. Application 40 ppm sulphur and 75 g/pot sugarcane filter mud were resulted bulbs highest.
Co-Authors A Moawad H Adijuwana H Adjiuwana H Muhammad Hartono, Arif Hatta Muhhamad P.L.G. Vlek S Sabiham