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All Journal Journal of Degraded and Mining Lands Management Agrisocionomics: Jurnal Sosial Ekonomi Pertanian
Umi Barokah
Sebelas Maret University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Phytoremediation of Pb contaminated paddy field using combination of Agrobacterium sp. I3, compost and ramie (Boehmeria nivea) Retno Rosariastuti; Umi Barokah; P Purwanto; S Supriyadi
Journal of Degraded and Mining Lands Management Vol 5, No 4 (2018)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (144.531 KB) | DOI: 10.15243/jdmlm.2018.054.1381

Abstract

 Industry sector exerts a negative effect on the environment. Industrial waste is often disposed to the rivers. The industry contributes to the accumulation of heavy metals in the environment. In farming sector, the accumulation of heavy metals can result in water pollution and be washed into the ground. Therefore, the farming product can be contaminated with heavy metals and they can be harmful to human health. The objective of this research was to reduce the Pb heavy metal content in paddy soil. This research was taken place in the Pb contaminated paddy soil using a randomized complete block design with three factors and three replicates. This research employed combination of inorganic fertilizer, ramie and Agrobacterium sp. I3 or compost as a chelator to improve Pb uptake. The results showed that combination of the three treatments increased Pb uptake. The combination of chemical fertilizers, ramie with compost increased the Pb uptake of 11.93 μg/g or 45.9%. The combination of chemical fertilizers, ramie with Agrobacterium sp. I3 resulted in the highest Pb uptake of 12.85 μg/g or 49.8%. The combination also decreased the soil Pb level by 7.8 μg/g or 23.5% of the control.
FACTORS AFFECTING LOCAL CASSAVA PRODUCTION JALAK TOWO IN KARANGANYAR REGENCY Maria Vegasari Dian Puspita; Umi Barokah; Agustono Agustono
Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Vol 5, No 1 (2021): Mei 2021
Publisher : Faculty of Animal and Agricultural Science, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/agrisocionomics.v5i1.8511

Abstract

Cassava is one of Indonesia's local food which ranks third largest after paddy and corn. CentralJava Province ranks second in producing cassava in Indonesia. One of the regencies / cities that has thepotential to be developed in cassava farming is Karanganyar Regency. Karanganyar Regency has acassava variety called Jalak Towo. Jalak towo has a softer texture compared to other cassava.Thisstudy aim were determine the factors of production that affect the production of jalak towo cassava inKaranganyar Regency and its optimization analysis. The basic method used in this research wasdescriptive and analytical methods. The research location was Tawangmangu Subdistrict and JatiyosoSubdistrict as sub-districts producing jalak towo cassava in Karanganyar Regency. Sampling in thisstudy using a random sampling method with a total of 60 respondents consisting of 30 people at eachlocation. Data analysis methods used include: cobb-douglas production function analysis, varyingmodel parameter analysis and optimization analysis. The results of this study indicate that the factorsthat influence the production of jalak towo cassava are land area, experience, manure, urea fertilizer,age of the farmer, and location. Production factors that affect cassava production from the analysis ofvarying model parameters in Kec. Tawangmangu is the area ofland, manure, urea fertilizer, age of the farmer, and labor, while in Kec. Jatiyoso is land area and age. The results of the optimization analysisshowed that the combination of the use of production factors in Tawangmangu and Jatiyoso Subistrictsware not optimal.
Co-Authors Agustono Agustono Maria Vegasari Dian Puspita P Purwanto Retno Rosariastuti S Supriyadi