In Autumn 2020, DOAJ will be relaunching with a new website with updated functionality, improved search, and a simplified application form. More information is available on our blog. Our API is also changing.

Hide this message

Pengaruh Kadar Timbal (Pb) Terhadap Kerapatan Stomata Dan Kandungan Klorofil Pada Glodokan (Polyalthia Longifolia Sonn) Sebagai Peneduh Kota Di Langsa

Elkawnie: Journal of Islamic Science and Technology. 2017;3(1):95-110 DOI 10.22373/ekw.v3i1.2755


Journal Homepage

Journal Title: Elkawnie: Journal of Islamic Science and Technology

ISSN: 2460-8912 (Print); 2460-8920 (Online)

Publisher: Center for Research and Publication UIN Ar-Raniry

Society/Institution: Universitas Islam Negeri Ar-Raniry

LCC Subject Category: Technology | Science

Country of publisher: Indonesia

Language of fulltext: Arabic, English, Indonesian

Full-text formats available: PDF



Suhaimi Suhaimi


Double blind peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 12 weeks


Abstract | Full Text

Influence levels of lead (Pb) in plants glodokan (Polyalthia longifolia Sonn) against the density of stomata and chlorophyll was strongly influenced by differences in the number of motor vehicles and physical factors contained in Langsa. The purpose of this study is to determine the factors influencing the accumulation of lead (Pb) in the three streets in the city this Langsa. This research implemented in March 2014, analyzed at the Center for Research and Standard, tissue culture USU (Universitas Sumatera Utara) Medan. The research location is determined by using the method Purpasive Radom Sampling at the third street, namely: Jalan A. Yani, Jalan Sudirman and Jalan Medan B.Aceh. On the road A. Yani biggest influence is a motorcycle with a number of 4384 units, with the accumulation of lead (Pb)