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[en] The application of neutron generator as a analysis tool for detecting N total concentration in agricultural soil in Yogyakarta special district province were done. N element in the soil is needed for increasing plant production. A larger part of N elements in the soil is a nitrate and nitrite formerly. Those compound are easily to leach and lost to ground water. It caused the agricultural soil were deficiency in N total elements. Accelerator provide to neutron generator were applied as a analysis tool for detecting N total elements in agricultural soil. Agricultural soil consist of paddy field soil and dry land soil, collected from some region in DIY province. In the laboratorium, soil samples were air dried and grinned, then filtered in 100 mesh filter of fine. Samples and standard both weighed 100 mg and filled into vial polyethylene. Neutron irradiation of samples were done during 15 minutes and counted by NaI(Ti) detector. It was found that a large part of agricultural soil in DIY province were N elements deficiencies. The averages of N elements concentration in agricultural soil in DIY province regions were 0.25 - 0.39 % N of paddy field soil and 0.055 - 0.13 % N of dry land soil. The periodically addition of N source element as an organic material into paddy field and dry-land soils are need to increase the N total elements in the soil of DIY province. (author)
Source
Sudjatmoko; Pramudita-Anggraita; Darsono (National Nuclear Energy Agency, Yogyakarta (Indonesia)); Siregar, Masbah T. (National Institute of Sciences, Jakarta (Indonesia)); Kusworo (University of Indonesia, Jakarta (Indonesia)); Kusminarto; Karyono (University of Gajah Mada, Yogyakarta (Indonesia)); Centre for Research and Development of Advanced Technology, National Nuclear Energy Agency, Yogyakarta (Indonesia); 189 p; ISSN 1411-1349; 
; Nov 2000; p. 154-160; The Scientific Meeting and Presentation on Accelerator Technology and Its Applications; Pertemuan dan Presentasi Ilmiah Teknologi Akselerator dan Aplikasinya; Yogyakarta (Indonesia); 8 Feb 2000; Also available from Center for Development of Nuclear Informatics, National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX 4274, Jakarta (ID); 10 refs.; 6 tabs.; 1 fig.
; Nov 2000; p. 154-160; The Scientific Meeting and Presentation on Accelerator Technology and Its Applications; Pertemuan dan Presentasi Ilmiah Teknologi Akselerator dan Aplikasinya; Yogyakarta (Indonesia); 8 Feb 2000; Also available from Center for Development of Nuclear Informatics, National Nuclear Energy Agency, Puspiptek Area, Fax. 62-21-7560923, PO BOX 4274, Jakarta (ID); 10 refs.; 6 tabs.; 1 fig.