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All Journal Jurnal Agroekoteknologi JURNAL TRIAGRO
ZULKARNAIN HUSNY
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Agriculture, Biological Sciences & Forestry Education

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Journal : Jurnal Agroekoteknologi

 1 
FLUKS GAS METAN (CH4) PADA BUDIDAYA PADI SECARA SYSTEM OF RICE INTENSIFICATION DAN KONVENSIONAL PADA SAWAH PASANG SURUT, LEBAK DAN BERIRIGASI Zulkarnain Husny
Jurnal Agroekoteknologi Vol 2, No 2 (2010)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.457 KB) | DOI: 10.33512/j.agrtek.v2i2.645

Abstract

ABSTRACT The research was conducted  at fresh water swamp, tidal swamp and irrigated Rice field.Fresh water swamp and Tidal swamp located  countryside Betung, subdistrict Pulau Rimau  and  Sako, subdistrict Rambutan, Regency Musi Banyuasin. While irrigated lowland rice countryside at 0mangunhardjo, Subdistrict Purwodadi, Regency Musi Rawas, from June through October 2010.  The research was aimed to knowing and comprehend or understand  with  to decreased fluxe and emission methane produced and compared with three ecosystem lands  cultivated  S.R.I. The split plot design was appllied in the research. The treatment main plot consisted of  lowland rice  (T) with three factors: fresh water swamp (T1), Tidal swamp (T2) dan Irrigated rice field ( T3) and  sub plot  cultivated  (S) there were two factors: convensional (K) and  S.R.I (S).   The result showed that  the rice cultivated  S.R.I can  decreased of  flux methane  40-71% and  in the form of emission of gas metan one growing season plant may decrease 19-53 %. Being emang three ecosystem may decrease 61-66 %. Measurement of methane gases emission for the three ecosystem rice field to each other every a period of growth showed the declaned at the age 8 week after planting. Later then the total emission of methane increased before harvest.  Key Word:  Convensional, Flux and Emission,  Fresh Water Swamp, Methane, SRI, Tidal swamp. 
Adaptation Test Of Sweet Potato (Ipomoea batatas L. (LAM)) Cilembu Variety In South Sumatra Faridatul Mukminah; Zulkarnain Husny; Miftahul Ma'ruf
Jurnal Agroekoteknologi Vol 14, No 2 (2022)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v14i2.17335

Abstract

Adaptation Test of Sweet Potato (lpomoea batatas L. (Lam)) variety Cilembu in Ogan Ilir, South Sumatra was conducted to see if sweet potato var. Cilembu was planted in Ogan llir area is be able to form tubers and has a higher sugar content compared to local varieties in Ogan Ilir South Sumatra. This research was carried out in the Agroteknopark area located in the village Bakung, North Indralaya, Ogan Ilir, on April 2017 to September 2017. This study used a Randomized Block Design, consisting of four clones and six replications. To find out the differences in each variety, group comparison tests were carried out using the orthogonal contrast method. From the results of the study it can be concluded that the highest plant lenght of the local variety were obtained from the Purple variety. The highest plant length of Cilembu variety obtained from the Rancing variety. The highest diameter of tubers of Local variety plant was obtained from Orange variety 9.8 cm, while the highest diameter of Cilembu variety was 5.9 cm (Rancing variety). The highest weight of tubers from local varieties were obtained from Orange variety, namely 1.39 kg plant-1 or 34.79 tons ha-1. The highest  Cilembu varieties obtained from Rancing variety were 1.2 kg plant-1 or 21.67 tons ha-1, the highest weight of biomass per plant at the highest L vs C ratio was obtained from the Cilembu Rancing variety of 4.9 kg. On parameter of dry biomass weight, the higher L vs C ratio was obtained from the Cilembu Rancing variety which was 0.73 kg.
Co-Authors Faridatul Mukminah Hendri . Miftahul Ma'ruf RIDWAN HANAN Rostian Nafery WENDRI PRANATA