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Journal : Bumi Lestari

IDENTIFIKASI CEMARAN LOGAM Pb DAN Cd PADA KANGKUNG YANG DITANAM DI DAERAH KOTA DENPASAR Sri Mulyani; I.G.A Lani Triani; Arief Sujana E.N
Bumi Lestari Journal of Environment Vol 12 No 2 (2012)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

The aimed of the research to identify the contamination of Pb and Cd on water spinach (Ipomeasp) planted at Denpasar. Sample population are 41 places area planted of water spinach, atKecamatan Denpasar Selatan 10 places , Denpasar Utara 10 places, Denpasar Timur 13 placesand Denpasar Barat 8 places. Sample has taken from 40% population, 13 areas planted of waterspinach at Denpasar. From Kecamatan Denpasar Barat 3 samples, Kecamatan Denpasar Timur3 samples, Kecamatan Denpasar Selatan 3 samples and 4 samples from Kecamatan DenpasarTimur. Samples taken 1-1.5 kg every area in the morning and identification of Pb and Cd areusing Kohar et. al., method and analyzed with Atomic Absorbsion Spectrophotometer (AAS). The result showed that no contamination of Pb on water spinach planted at Denpasar. Waterspinach has contamination Cd 0-0,00682 mg/kg. The water spinach which planted at KecamatanDenpasar Barat has lowest contamination of Cd, water spinach planted at Denpasar areproper to be consumed.
RESIDU INSEKTISIDA SIDAZINON PADA KACANG PANJANG (VIGNA SINENSIS) YANG DIHASILKAN DI DESA TUNJUK SELATAN, KECAMATAN TABANAN, KABUPATEN TABANAN I Gusti Ayu Lani Triani
Bumi Lestari Journal of Environment Vol 7 No 1
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Research was conducted in long bean (Vigna sinensis) that has been produced inTabanan district, Tabanan Regency concerning the residue of Sidazinon insecticide. Theaims of this study are to : know dosage Sidazinon insecticide utilized by farmer inTabanan district and the level of the residue of Sidazinon insecticide found in long bean.The determination of the sample of the farmer of long bean was done inproportional and purposive sampling. The sample was taken in Tabanan district, inTabanan Regency. For the selection of village, search by 10 % from amount village exist,so five of the farmer of long bean were obtained in Tabanan district.The finding show that the residue of the Sidazinon insecticide in long beanproduced in Tabanan district in influenced by the use of dosage was 9,275 ml/ are. Theresidue of Sidazinon insecticide in long bean averagely produced in Tabanan district was0,03045 ppm.
HUBUNGAN ANTARA PENGGUNAAN DOSIS DENGAN RESIDU INSEKTISIDA SIDAZINON PADA KACANG PANJANG (VIGNA SINENSIS) DI DESA TUNJUK SELATAN, KECAMATAN TABANAN, KABUPATEN TABANAN I Gusti Ayu Lani Triani
Bumi Lestari Journal of Environment Vol 10 No 1 (2010)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

This research was conducted in order to know relationship between dosage use with residue of the sidazinon insecticide in long bean that has been produced at Tunjuk Selatan village, Tabanan district, Tabanan regency. The determination of the sample of the farmer of long bean was done in proportional and purposive sampling. The sample was taken in Tabanan district, in Tabanan Regency. For the selection of village, search by 10 % from amount village exist, so five of the farmer of long bean were obtained in Tabanan district. The finding shows that residue of the sidazinon insecticide in long bean has enough strong relationship with dosage use, showed with value R : 0,707. With coefficient determination (R2) as 0,499; it mean 49,90 % residue insecticide come from dosege use of the sidazinon insecticide, while 50,1 % come from another factor. Dosage use of the sidazinon insecticide influenced at residue in long bean was significant with standard 5 %.