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Dinia R Dwijayanti,
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Biotropika
Published by Universitas Brawijaya
ISSN : 23027282     EISSN : 25498703     DOI : 10.21776/ub.biotropika.
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Biotropika: Journal of Tropical Biology invites research articles, short communication, and reviews describing new findings/phenomena of biological sciences in tropical regions, specifically in the following subjects, but not limited to biotechnology, biodiversity, microbiology, botany, zoology, biosystematics, ecology, and environmental sciences.
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Articles 12 Documents
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Search results for , issue "Vol 6, No 1 (2018)" : 12 Documents clear
Karakteristik Pemanfaatan Pohon oleh Jalak Bali (Leucopsar Rothschildi) di Taman Nasional Bali Barat Wilayah SPTN III, Buleleng, Bali Nirmala Ayu Aryanti; Reyza Hermawan Wicaksono
Biotropika: Journal of Tropical Biology Vol 6, No 1 (2018)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2018.006.01.1

Abstract

Leucopsar rothschildi (Jalak Bali) is an endemic bird species that only be found in the forests of the western of Bali Island. Wild catching and declining forest are the main factors of the declining population. The National Park of West Bali is the last bastion. The habit of living for activity and nesting in the trees make the importance of tree stand to be preserved. Therefore, this study was conducted to analyze the utilization's characteristics of trees by the birds in their original habitat in SPTN III West Bali National Park. The method used was concentration count to observe the characteristics utilization of trees and canopy. Behavior in their natural habitat was observed using Ad Libitum method. Data analysis was conducted by calculating percentage in each part of the usage of canopy and behavior type. The use of the canopy of trees in SPTN III of Labuhan Lalang TNBB by the birds for Tanjung Gelap was more frequent in the upper canopy (TA) section, in Labuhan Lalang more often in the middle canopy (TT) and the middle side canopy (TTt). Frequently activity in the canopy of SPTN III Labuhan Lalang by the birds was social activity.
Efektivitas Pupuk Organik Cair dari Eceng Gondok (Eichornia crassipes (Mart), Solm) untuk Pertumbuhan dan Kecerahan Warna Merah Daun Aglaonema ‘Lipstik’ Ervinda Yuliatin; Yanti Puspita Sari; Medi Hendra
Biotropika: Journal of Tropical Biology Vol 6, No 1 (2018)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2018.006.01.6

Abstract

Aglaonema “Lipstik” merupakan Aglaonema hibrida yang memiliki corak warna merah atau merah muda pada tepi daun sehingga diberi nama lipstik. Keunikan dan variasi warna daunnya, Aglaonema “Lipstik” dimanfaatkan sebagai penghias ruangan seperti ruang tamu, kantor dan hotel. Selain karena indah, tanaman ini mampu menyerap polusi udara di dalam ruangan. Sehingga banyak pecinta tanaman hias membudidayakannya. Dalam prosesnya, diperlukan perawatan agar memperoleh daun yang indah dengan menggunakan pupuk. Eceng gondong (Eichornia crassieps) dapat diolah menjadi pupuk organik cair (POC) karena memiliki kandungan unsur organik yang dapat digunakan untuk pertumbuhan tanaman. Tujuan utama penelitian ini adalah untuk mengetahui respon pertumbuhan Aglaonema “Lipstik” yang diberi pupuk organik cair eceng gondok. Metode penelitian menggunakan rancangan acak lengkap yang terdiri dari empat konsentrasi perlakuan POC (0 ppm, 1,5 ppm, 3 ppm dan 4,5 ppm) dalam enam kali pengulangan. Parameter pengamatan meliputi pertambahan jumlah daun, pertambahan tinggi tanaman, luas daun dan warna daun. Hasil penelitian menunjukkan bahwa POC eceng gondok tidak berpengaruh terhadap beberapa parameter yaitu pertambahan tinggi tanaman, jumlah daun, luas daun dan warna hijau daun. Sedangkan pada parameter penambahan kecerahan warna merah daun berpengaruh signifikan pada konsentrasi 4,5 ppm sebesar 3,5%.

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