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Asmarlaili Sahar Hanafiah
Program Studi Agroekoteknologi, Fakultas Pertanian, USU, Medan
Agriculture, Biological Sciences & Forestry

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Pengaruh Pemberian Azolla dan Bakteri Pelarut Fosfat Terhadap Pertumbuhan dan Produksi Padi Sawah (Oryza sativa L.) Di Tanah Sulfat Masam Riandi Syahputra; Asmarlaili Sahar Hanafiah; Tengku Sabrina
Jurnal Pertanian Tropik Vol. 5 No. 2 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (79.012 KB) | DOI: 10.32734/jpt.v5i2.3024

Abstract

Tanah sulfat masam adalah tanah yang bermasalah yang memiliki pH rendah, ketersediaan hara P yang rendah, dan tingginya kelarutan Al. Upaya untuk mengoptimlkan produktivitas tanah sulfat masam adalah melalui pemanfaatan tanaman toleran sulfat masam, mikroorganisme tanah dan pupuk organik. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian azolla dan bakteri pelarut fosfat terhadap pertumbuhan dan produksi padi sawah ( Oryza sativa L. ) di tanah sulfat masam. Penelitian ini dilaksanakan di rumah kaca Fakultas Pertanian Universitas Sumatera Utara di mulai pada bulan September sampai Desember 2017. Rancangan yang digunakan adalah rancangan acak kelompok faktorial dengan 4 ulangan. Faktor pertama pemberian azolla segar dengan 4 taraf, yaitu A0 = 0 g/pot, A1= 30 g/pot, A2= 60 g/pot, A3= 90 g/pot dan faktor kedua bakteri pelarut fosfat dengan 2 taraf, yaitu P0= tanpa bakteri pelarut fosfat dan P1= aplikasi bakteri pelarut fosfat. Hasil penelitian menunjukkan peningkatan dosis azolla mampu meningkatkan pertumbuhan padi sawah, Sedangkan aplikasi bakteri pelarut fosfat mampu meningkatkan pertumbuhan dan produksi tanaman padi. Pemberian azolla segar 60 g/ember dan pemberian bakteri pelarut posfat merupakakan perlakuan terbaik yaitu ( jumlah anakan 4 anakan, jumlah malai 8,25 malai, jumlah gabah berisi 272,5 gabah, bobot bruto gabah kering 6,75 g, bobot jerami kering 18,27 g).
Response on Growth of Oil Palm Seedling (Main Nursery) by Adding Several Amandement, Fertilizer and Sulphate Reduction Bacteria on Acid Sulphate Soils Perdana Abdi; Asmarlaili Sahar Hanafiah; Hamidah Hanum
Jurnal Pertanian Tropik Vol. 5 No. 3 (2018): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (441.413 KB) | DOI: 10.32734/jpt.v5i3.3062

Abstract

Acid sulphate soil has potential to be good agricultural land if the condition meets. Therefore This research was conduct to learn the effect of several amendment, fertilizer and sulphate reduction bacteria (SRB) on the growth of oil palm seedlings and increasing nutrient content of oil plam seedlings.This research did on april 2017 until desember 2017, and used acid sulphate soil from Unit Payarambe PT. Mopoli Raya Aceh Tamiang Indonesia, and used oil palm seedling (3 month old). This research used Randomized Block Design with 3 treatments : Several amandment (without amandement, empty fruit bunches oil palm 30 tonnes/ha, Dolomie 15,8 tonnes/ha), fertilizers (without fertilizer, given fertilizer 2,5grams/seedling), and sulphate reduction bacteria (without SRB and given SRB 15 ml with total population 108/cc) with 6 replication. The results showed that the application empty fruit bunches oil palm compost 30 tonnes/ha increased plant height and stem statiscally significant after 28 weeks application. The best treatment was empty fruit bunches oil palm compost 30 tonnes/ha combined with inoculum of sulphate reduction bacteria.
Co-Authors Hamidah Hanum Perdana Abdi Riandi Syahputra Tengku Sabrina