Nadzifah, Nadzifah (2011) Sinergisme multi isolat Rhizobium dan bakteri pelarut fosfat pada pertumbuhan dan hasil tanaman kedelai (Glicyne max (L) merril) di tanah masam. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Text (Abstract: English)
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Abstract
INDONESIA:
Kebutuhan masyarakat terhadap kedelai terus meningkat seiring dengan pertumbuhan jumlah penduduk. Peningkatan produksi kedelai banyak menemui kendala, salah satunya adalah makin berkurangnya luas lahan produktif sehingga ekstensifikasi diarahkan ke tanah masam. Tanah masam mempunyai ciri pH tanah < 5.5 dan diiringi kandungan Al, Fe, Mn tinggi serta miskinnya unsur hara N dan P. Namun, kendala tanah masam dapat diatasi dengan penerapan teknologi pemupukan secara hayati melalui pemanfaatan inokulasi bakteri. Bakteri Rhizobium dan bakteri pelarut fosfat merupakan mikroba yang penting untuk memenuhi nutrisi tanaman kedelai. Mikroba tersebut dapat menyediakan unsur hara dalam memperbaiki kondisi tanah masam dengan menyumbangkan unsur hara N dan P sehingga nutrisi tanaman dapat tercukupi. Pemberian inokulasi ganda antara bakteri Rhizobium dan bakteri pelarut fosfat diharapkan menjadi solusi untuk mempercepat penyediaan nutrisi tanaman, sehingga penelitian ini dilakukan untuk mengetahui efek sinergisme antara bakteri Rhizobium dan bakteri pelarut fosfat secara ganda dengan dan tanpa pupuk N maupun N+P pada tanaman kedelai di tanah masam.
Penelitian dilakukan di laboratorium dan di rumah kaca Balai Penelitian Tanaman Kacang-kacangan dan Umbi-umbiuan (BALITKABI) Malang pada bulan Februari sampai Mei 2011. Perlakuan yang digunakan adalah: kontrol (tanpa perlakuan), inokulasi multi isolat Rhizobium, inokulasi multi isolat Rhizobium dan bakteri pelarut fosfat M1, inokulasi multi isolat Rhizobium+bakteri pelarut fosfat M2, inokulasi multi isolat Rhizobium+bakteri pelarut fosfat M1+pupuk santap, inokulasi multi isolat Rhizobium+bakteri pelarut fosfat M2+santap. Rancangan penelitian yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan 2 faktor 6 ulangan dan diuji lanjut dengan uji jarak Duncan pada taraf 5%.
Hasil penelitian menunjukkan bahwa inokulasi ganda antara bakteri Rhizobium dan bakteri pelarut fosfat pada perlakuan Rhizobium+M1 tanpa pupuk dapat meningkatkan tinggi tanaman sebesar 32.49 cm, jumlah bintil akar sebesar 16.50 g, perlakuan Rhizobium+M2 tanpa pupuk dapat meningkatkan berat kering tanaman kedelai sebesar 20.91 g, perlakuan Rhizobium+M1+Santap yang dikombinasi dengan pupuk N dapat meningkatkan berat biji sebesar 2.40 g dan perlakuan Rhizobium+M1 tanpa pupuk dapat meningkatkan berat 100 biji sebesar 8.13. Sehingga dapat disimpulkan bahwa inokulasi ganda antara bakteri Rhizobium dan bakteri pelarut fosfat memberikan efek sinergisme pada pertumbuhan dan hasil tanaman kedelai.
ENGLISH:
Public demand for soybeans continues to increase along with population growth. Increased soybean production to meet many obstacles, one of which is the less productive land so that the extension be directed to acid soils. Acid soils have characteristics of soil pH <5.5 and accompanied by the content of Al, Fe, Mn high and poor nutrients N and P. However, acidic soil constraints can be overcome by the application of technology in bio-fertilization through the utilization of bacterial inoculation. Rhizobium bacteria and bacterial microbes solvent phosphate is essential to meet the nutrition of soybean plants. Microbes can provide nutrients in improving the conditions of acid soils by contributing nutrients N and P so that plant nutrients can be fulfilled. The provision of dual inoculation of Rhizobium bacteria and bacterial phosphate solvent is expected to be the solution to accelerate the provision of plant nutrients, so the study was conducted to determine the effect of synergism between Rhizobium bacteria and bacterial phosphate dual solvent with and without fertilizer N and N + P on soybean plants in soil sour.
The study was conducted in the laboratory and in greenhouses Crops Research Institute Nuts and Tuber umbiuan (Balitkabi) Malang in February to May 2011. The treatments used were: control (without treatment), multiple isolates of Rhizobium inoculation, multiple isolates of Rhizobium inoculation and phosphate solvents M1 bacteria, Rhizobium inoculation of multiple isolates of bacteria solvent phosphate + M2, inoculation of multiple isolates of Rhizobium bacteria + M1 + phosphate solvent meal fertilizer, inoculation multiple isolates of Rhizobium bacteria + M2 + phosphate solvent meal. The study design used was Randomized Design Group (RAK) with 6 replications and 2 factors were tested further with Duncan's range test at 5% level.
Results showed that dual inoculation of Rhizobium bacteria and bacterial phosphate solvent on the M1 + Rhizobium treatment without fertilizer can increase plant height of 32.49 cm, the number of root nodules of 16:50 g, M2 + Rhizobium treatment without fertilizer can increase dry weight of 20.91 g of soybean plants , M1 + + Rhizobium treatment Dining in combination with N fertilizer can increase the weight of seeds of 2:40 g and M1 + Rhizobium treatment without fertilizer can increase the weight of 100 seeds for 8.13. So it can be concluded that the dual inoculation of Rhizobium bacteria and bacterial phosphate solvent synergism effect on growth and yield of soybean plants.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Utami, Ulfah and Suryantini, Suryantini | |||||||||
Contributors: |
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Keywords: | Rhizobium; Bakteri Pelarut fosfat; Kedelai; Rhizobium; Bacterial Solvents phosphate; Soy | |||||||||
Subjects: | 06 BIOLOGICAL SCIENCES > 0607 Plant Biology > 060703 Plant Developmental and Reproductive Biology | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Biologi | |||||||||
Location: | 060703 | |||||||||
Depositing User: | Imam Rohmanu | |||||||||
Date Deposited: | 07 Jun 2016 20:25 | |||||||||
Last Modified: | 07 Jun 2016 20:25 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/2666 |
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