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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) BERITA BIOLOGI Jurnal Tanah dan Iklim
Gatot Irianto
Direktorat Jenderal Pengelolaan Lahan dan Air/Ahli Peneliti Utama Bidang Agroklimat dan Hidrologi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance

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Journal : BERITA BIOLOGI

 1 
KAJIAN EVALUASI LAHAN UNTUK PENGEMBANGAN CENDANA DINUSA TENGGARA TIMUR Hendrisman, Marwan; Sosiawan, Hendri; Irianto, Gatot
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (359.751 KB) | DOI: 10.14203/bb.v5i5.1468

Abstract

Komoditas kayu cendana menyumbangkan Pendapatan Asli Daerah (PAD) sampai 40% untuk Propinsi Nusa Tenggara Timur (NTT),sehingga dapat dijadikan komoditas andalan bagi Propinsi ini. Pulau Sumba dan Pulau Timor diduga merupakan tempat asal tumbuh cendana, sehingga untuk pengembangan budidaya cendana dapat dicari daerah yang mempunyai ekosistem yang mirip dengan daerah asalnya.Teknologi budidaya tepatguna bagi cendana perlu dikembangkan untuk memperluas areal tanam komoditas tersebut.Untuk itu perlu dibentuk suatu dewan riset cendana secara lintas sektoral dari berbagai disiplin ilmu.
PANEN HUJAN DAN ALIRAN PERMUKAAN UNTUK PENINGKATAN PRODUKTIVITAS PERTANIAN LAHAN KERING, PENANGGULANGAN BANJIR DAN KEKERINGAN Irianto, Gatot
BERITA BIOLOGI Vol 5, No 1 (2000)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (669.893 KB) | DOI: 10.14203/beritabiologi.v5i1.1096

Abstract

Rainfall and runoff harvesting study at the Kali Garang basin, Semarang under the cooperation program between Centre for Soil and Agroclimate,Agency of Agriculture Research and Development (CIRAD) France and Government of Central Jawa for improving soil productivity,controlling flood and drought are presented in this paper.The results show that through water harvesting it is possible to increase diversity, improving added value and decreasing agriculture risks of agriculture commodity. Moreover rehabilitation of degraded land and soil conservation practices can be promoted.
PENGEMBANGAN TEKNOLOGI PANEN HUJAN DAN ALIRAN PERMUKAAN UNTUK MENEKAN RESIKO KEKERINGAN DAN MENINGKATKAN PRODUKTIVITAS LAHAN (Studi kasus di Sub DAS Bunder, Kabupaten Gunungkidul, Provinsi DIY) Irianto, Gatot; Pujilestari, Nurwindah
BERITA BIOLOGI Vol 6, No 3 (2002)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.684 KB) | DOI: 10.14203/beritabiologi.v6i3.1228

Abstract

Limited water supply on dry season at dry terrain,cause plantation index and plant productivity low. Mean while yearly water volume are potentially enough for twice plant even more if they manage well. Because of that reason using and developing water resource by rainfall and run off harvesting technology, increasing productivity and maintain dry terrain farm operations system at watershed system are approximation strategy needed to put into practice. That strategy can put into practice through hydrologist characteristic modification at river flow area with escalating capacity and capability watershed distribution to minimalist inundation risk and dried out at dry season. Research result at sub watershed Bunder, Wonosari, DIY by way of building two level dam at river bed (hydrology network) can producing 11.6% (channel reservoir 1) and 18.4% (channel reservoir 2) surface flow from existing river-bed and this result can supply water irrigation at least 3 times in planting season rice-secondary crop- secondary crop). If cropping pattern change to rice-rice-secondary crop then run off harvest need to increase become 100% at upper subwatershed (channel reservoir 1) and 19% at lower subwatershed, with condition at MK 1.irrigation area that can be plant with rice only 0.19 ha and the rest of it can be plant with peanut. Rice productivity at rice field are 2.4 ton/ha.
Co-Authors E. SURMAINI Eko Sulistyono Irsal Las M. H. Bintoro Marwan Hendrisman, Marwan Nani Heryani Nurwindah Pujilestari Sosiawan, Hendri Sudradjat ,