Judul: Aplikasi teknik inaktivasi in situ pada tanah dicemari Zn: Keterkaitan antara konsentrasi Zn pada tajuk tomat dengan sifat-sifat kimia tanah
Abstrak: Urban arable land located near industrial area are vulnerable to heavy metal pollution. One of these heavy metals of concerned is zinc (Zn). In situ inactivation is a prospective remediation methods to be applied on heavy metal polluted-soil of arable land. This technique refers to the use of ameliorants and fertilizers to alter the chemical forms of heavy metal pollutants in the environment, thereby decreasing their chemical and biological ability to cause harm. In the preceding study, it was evaluated: (1) the effects of amelioration and fertilization at 4 (four) soil Zn enrichment series on the soil chemical properties, including the concentration of bioavailable soil Zn, and the dry matter yield of tomato, and (2) the relationships between the soil chemical properties and the tomato dry matter yield. The present study was aimed at to evaluate: (1) the effects of the same amelioration and fertilization treatment at 4 (four) Zn emiched soil series on Zn, N, P, S, K, Ca and Mg concentration in tomato shoot, (2) the relationships between Zn concentration in tomato shoot with soil chemical properties, including the total and bioavailable soil Zn, and (3) the relationships between Zn with N, P, S, K, Ca and Mg concentration in tomato shoot.
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Judul: Aplikasi dolomit, bahan organik dan pupuk npk pada tanah dicemari Zn: keterkaitan antara sifat kimia tanah dan ketersediaan Zn dengan bobot kering tomat
Abstrak: Urban arable land located near industrial area are vulnerable to heavy metal pollution. One of these heavy metals of concerned is zinc (Zn). In situ inactivation is a prospective remediation methods to be applied on heavy metal polluted-soil of arable land. This technique refers to the use of ameliorants and fertilizers to alter the chen~ical forms of heavy metal pollutants in the environment, thereby decreasing their chemical and biological ability to cause harm. This research was aimed at to evaluate: (1) the effects of amelioration and fertilization at 4 (four) soil Zn-enrichment series on soil chemical properties, the concentration of Zn-bioavailable fraction and dry matter yield of the test plant, and (2) the relationships between soil. chemical properties, concentration of soil Zn-bioavailable fraction and dry matter yield of the test plant. The test plant used in this research was low altitude-dryland tomato. The concentration of soil Znbioavailable fraction was extracted with NH40Ac-EDTA pH 4.65.
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Judul: Karakteristik Asuransi Dwiguna, Beasiswa, dan Siharta PT Asuransi Jiwasraya Dari Aspek Nasabah di Sukasari dan Tajur
Abstrak: Dari 69 nasabah ternyata ada sekitar 52% perempuan, 81% mcnganut agama Islam, 80% sudah mcnikah dan berasal dari keluarga kecil, 74% tcrmasuk golongan usia muda, 70% berpendidikan tertinggi tidak lebih dari SLTA dan berkemampuan ekonomi sedang, dan hanya 14% berwiraswaswta. Faktor budaya/adat dan agama bukan mcrupakan kendala dalam bisnis asuransi jiwa. Informasi perasuransian dari pcmcrintah/lcmbaga indepcnden dan tingkat kesejahteraan masyamkat yang semakin baik tampaknya akan mampu meningkatkan minat masyarakat dalam berasuransi. Pelayanan PT Auransi Jiwasraya (Persero) Bogar masih perlu ditingkatkan dengan memberikan cara pelayanan yang disesuaikan berdasarkan tingkat pendidikan nasabah. Nilai liang premi baik pada saat masuk asuransi maupun saat survei dilakukan tergolong sedang oleh nasabah yang memiliki pcnghasilan telap atau berprofesi sebagai ibu rumah tangga. Hampir Semua golongan usia dan jenis kelamin merupakan nasabah asuransi Dwiguna dan Siharta. Asuransi Siharta cenderung dimiliki oleh kelompok usia 40-49 tahun daripada asuransi Dwiguna, sedangkan asuransi Beasiswa cenderung dimiliki oleh ibu rumah tangga dan berusia 30- 39 tahun.
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