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Title: | Keselarasan Penyediaan Nitrogen dari Pupuk Hijau dan Urea dengan Pertumbuhan Jagung pada Inceptisol Darmaga |
Other Titles: | Buletin Agronomi Vol.35 No.3 |
Authors: | Wawan Sabiham, S. Idris, K. Djajakirana, G. Anwar, Saihul |
Issue Date: | 2007 |
Publisher: | IPB (Bogor Agricultural University) |
Series/Report no.: | Vol.35 No.3 |
Abstract: | Increasing N use efficiency and decreasing N pollution can be achieved by synchronization between supplying pattern of N and crop N demand. Leaching-incubation experiment had been carried out for evaluating supplying pattern of N from 14 treatments of green manure (Flemingia and Gliricidia), urea and their combinations. Only 5 treatments of the split application of Gliricidia, urea and their combinations, and single application of combination of urea and Gliricidia synchronize with corn N uptake model. These five fertilization treatments were further examined in the greenhouse and in the field experiment. The synchronization between supplying pattern of N and corn growth in treatment without leaching was resulted by application of urea at planting followed by Gliricidia at 3 weeks after planting (WAP) and urea at planting and 3 WAP, whereas in treatment with leaching were resulted by split application of Gliricidia at planting and 3 WAP, urea at planting followed by Gliricidia at 3 WAP, and single application of urea and Gliricidia at planting. Urea applied at planting followed by Gliricidia at 3 WAP resulted in the high production of seed dry-weigh with low N inorganic leaching. |
URI: | http://repository.ipb.ac.id/handle/123456789/35681 |
Appears in Collections: | Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) |
Files in This Item:
File | Description | Size | Format | |
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Wawan.pdf | e-jurnal_full Text | 136.02 kB | Adobe PDF | View/Open |
Wawan_abstract.pdf | e-jurnal_abstract | 21.82 kB | Adobe PDF | View/Open |
Wawan_abstract.ps | PostScript | 109.23 kB | Postscript | View/Open |
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