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Daru Mulyono
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Environmental Science

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PENGEMBANGAN PERTANIAN BUDIDAYA LORONG (ALLEY CROPPING) UNTUK KONSERVASI LAHAN KRITIS DI HULU DAERAH ALIRAN SUNGAI (DAS) CIMANUK, JAWA BARAT Daru Mulyono
Jurnal Teknologi Lingkungan Vol. 11 No. 2 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.665 KB) | DOI: 10.29122/jtl.v11i2.1213

Abstract

The role and function of Cimanuk Watershed tend to declining, where total of critical area reach to a high of 131,384 ha from the total of 358,400 ha or about 36.6 %. In wet season debit of Cimanuk River reach 1,004 m3/second and in dry season reavh 4m3/second.Therefore the Debit Ratio of Cimanuk River reach to a high of 251, it is indicate that Cimanuk Watershed become very critical condition and need appropriate management especially in the upper watershed. One altervative of the watershed management is application of Alley Cropping system. The biomass from prunning of hedgerows Flemengia congesta have significant effect to land fertility through improvement of nutrients availability. Furthermore, the successful application of Alley Cropping system willlead to conserve land and water where it will support flood control, agricultural irrigation,fisheries development, electric generation, industrial development, etc.Keywords: agricultural, alley cropping, land conservation, watershed
PENINGKATAN PRODUKTIVITAS LAHAN MELALUI PEMANFAATAN BIOMAS TANAMAN Flemengia congesta UNTUK BUDIDAYA TANAMAN JAGUNG DI DAERAH TRANSMIGRASI KURO TIDUR, BENGKULU Daru Mulyono
Jurnal Teknologi Lingkungan Vol. 11 No. 1 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.123 KB) | DOI: 10.29122/jtl.v11i1.1229

Abstract

The objective of the research is to know the effect of using biomass and combination between biomass and dolomit to the land fertility with regard to corn production. The research used Complete Randomized Design with One Way Analysis of Variance,Regression, and Correlation in order to know the effect of treatment to the land fertility.The research was carried out in Wonoharjo Village, Unit VIII Kuro Tidur Transmigration area, Bengkulu, during three planting seasons from 2003 to 2004. The results of the research showed that biomass from prunning of the hedgerows Flemengia congesta was significant to land fertility through improvement of nutrients availability, increasing pH, decreasing availability of aluminium (Al). The effect of biomass treatment into the soil to a high of 5.0 ton/ha will increase average corn production from 22.256 kw/ha (dry grain) to 37.433 kw/ha or increase 68.19 %, whereas the effect of organic matter 5.0 ton/ha combined with dolomit 2.5 ton/ha will increase average corn production from 22.256 kw/ha to 47.611 kw/ha or increase 113.92 %. The effect of biomass 10.0 ton/ha combined with dolomit 2.5 ton/ha will increase average corn production from 22.256kw/ha to 50.789 kw/ha or increase 128.20 %.
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