Perubahan pH, Aluminium Dapat Tukar dan Fosfor Tersedia Ultisol karena Pemberian Pupuk Organik Batang Pisang dan Abu Terbang Batubara

Authors

  • Fahrunsyah Fahrunsyah
  • Rabiatul Jannah
  • Andi Aldi Utama

DOI:

https://doi.org/10.30872/jatl.6.1.2023.11679.1-6

Keywords:

Ultisol, Pupuk Cair Batang Pisang, Abu Terbang Batubara

Abstract

v>dari aspek karakteristik kimiawi dalam pemanfaatannya untuk budidaya tanaman. Penelitian ini bertujuan untuk mengetahui: 1)Kemampuan Pupuk Organik Cair Batang Pisang (FOCBP) dan Abu Terbang Batubara (ATB) dalam meningkatkan pH tanah danketersediaan P serta menurunkan kelarutan Al3+ dan 2) Waktu inkubasi yang terbaik didasarkan pada nilai pH, kelarutan Al dan PTersedia. Penelitian dilaksanakan di rumah kaca menggunakan metode inkubasi tanpa tanaman. Penelitian terdiri atas 12 perlakuan dan3 ulangan (36 unit percobaan). Media tanah untuk inkubasi adalah tanah Ultisol sebanyak 400 g kering udara setara 385,6 g tanah keringoven, yang dimasukkan ke dalam pot berdiameter 8 cm dan tinggi 10 cm. Media tanah inkubasi yang sudah diberi perlakuan sesuai dosisselanjutnya disiram sampai sekitar kapasitas lapang dan diinkubasi selama 9 minggu. Sebanyak 12 contoh tanah komposit diambil pada3, 6 dan 9 Minggu Setelah Inkubasi (MSI) untuk dianalisis. Parameter yang diukur adalah pH (H2O), Al3+ dan P-Tersedia. Hasil analisistanah tersebut khusus untuk pH dan P-Tersedia kemudian dikategorikan menurut kriteria penilaian analisis tanah Pusat Penelitian Tanah(PPT) Bogor 2005. Hasil penelitian sebagai berikut: 1) Pemberian POCBP dan ATB baik secara mandiri maupun kombinasi keduanyamampu meningkatkan pH dan P-Tersedia serta menurunkan kelarutan Al3+ , 2) Pemberian kombinasi 90 Mg ha-1 ATB dan 420.000 L ha-1 POCBP pada 3 MSI meningkatkan pH 70,25% dan P-Tersedia 266,20% dan menurunkan kelarutan Al3+ sebesar 1.300% dibandingkankontrol dan 3) Waktu inkubasi yang paling baik untuk POCBP dan ATB adalah 3 minggu.

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Published

2023-06-26

Issue

Vol. 6 No. 1 (2023): Agroekoteknologi Tropika Lembab Volume 6 Nomor 1 Agustus 2023

Section

Articles

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