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All Journal Journal of Agribusiness and Local Wisdom MEANS (Media Informasi Analisa dan Sistem) Jurnal Riset Perkebunan (JRP)
Yulistriani
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Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Environmental Science Social Sciences

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Journal : Jurnal Riset Perkebunan (JRP)

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Karakteristik Budidaya Kakao (Theobroma Cacao L.) Pada Perkebunan Rakyat Di Kecamatan Timpeh Kabupaten Dharmasraya Leslie Selviana Purba; Yulistriani; Wulan Kumala Sari
Jurnal Riset Perkebunan Vol. 2 No. 1 (2021): Jurnal Riset Perkebunan (JRP)
Publisher : Jurusan Budidaya Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrp.2.1.40-54.2021

Abstract

Cacao (Theobroma cacao L.) is a plantation commodity that has high economic value. The characteristics of cacao cultivation are used to describe the cultivation method or technique in a cacao plantation. The objective of this study was to collect data about the characteristics of cultivation in the smallholder cacao plantations in Timpeh Sub-district, Dharmasraya District. This research was carried out from January until March 2021 located in Timpeh Sub-district, Dharmasraya District, specific in Panyubarangan, Tabek, Timpeh and Ranah Palabi Village. This research was a survey by interviews the cacao farmers, followed by collecting data directly to the field by purposive sampling method with the criteria of respondents who having cacao farm of > 0.25 ha. The data collected were the characteristics of cacao cultivation techniques, i.e. planting material aspects (type of planting material/clone and its origin), land preparation aspects (planting spacing, planting holes and shade plants), maintenance aspects (fertilization, pruning and sanitation), aspects of pest and disease control (types of pests and diseases that attack and types of control) and harvest aspects. The obtained data were analized and shown descriptively. The results showed that the respondents (cacao farmers) in Timpeh Sub-district, Dharmasraya District had not carried out the optimal cacao cultivation techniques as indicated by the low cacao production there (50-200 kg/ha/year).
Improvement Of Ex-Gold Mining Soil Through The Application Of Rubber Leaf Litter Compost And Biochar Of Oil Palm Empty Fruit Bunches On The Growth Of Rubber Seedlings (Hevea Brasiliensis Muell. Arg.) Pb-260 Clone Febriana, Widia; Gusmini; Yulistriani
Jurnal Riset Perkebunan Vol. 4 No. 1 (2023): Jurnal Riset Perkebunan (JRP)
Publisher : Jurusan Budidaya Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrp.4.1.53-64.2023

Abstract

Land damage caused by gold mining activities is mainly due to soil contamination by Mercury (Hg). Ex-gold mines are soils that have poor chemical, biological, and physical properties, resulting in a very low level of soil fertility. The objective of this study was to determine the effect of rubber leaf litter compost and biochar of oil palm empty fruit bunches to obtain the best dose recommendation in improving the ex-gold mining soil on the growth of rubber seedlings (Hevea brasiliensis Muell. Arg.). This study was designed by a completely randomized design consisted of 7 treatments and repeated 3 times. The treatments were rubber leaf litter compost at a dose of 10 tons/ha and 20 tons/ha, biochar of oil palm empty fruit bunches at a dose of 10 tons/ha and 20 tons/ha, combination of rubber leaf litter compost and biochar of oil palm empty fruit bunches at a dose of 10 tons/ha and 20 tons/ha, respectively. The results showed that the combination treatment of rubber leaf litter compost and biochar of oil palm empty fruit bunches at a dose of 20 tons/ha resulted in a soil pH value of 4,85, Al-dd 0,42 cmol/kg, C-organik 0,92%, N-total 0,053%, C/N 11,25, P-available 122,69 ppm, K-dd 0,40 cmol/kg, and reducing soil mercury by 0,01 ppm. The growth of shoot height and leaves number of rubber seedlings was obtained by the application of biochar of oil palm empty fruit bunches at a best dose of 20 tons/ha. In addition, the treatment of rubber leaf litter compost at a dose of 20 tons/ha was able to increase the leaf width of rubber seedlings (h. brasiliensis Muell. Arg.).
Co-Authors Gusmini Leslie Selviana Purba Nuris, Nisa Dienwati SUNARTO Widia Febriana, Widia Wulan Kumala Sari