Abstract
Raja Uncak local rice in the Kapuas Hulu Regency, West Kalimantan Province. is very popular to neighboring country (Malaysia). Rice Raja Uncak is usually planted by farmers once a year in the traditional way and does not use inorganic fertilizers but uses litter from the Kapuas River. The purpose of this study was to increase the productivity of Raja Uncak local rice by giving several ameliorants. The research method used was in the form of a field experiment with a randomized block design. The treatments applied were T1 (Compost of organic litter from Kapuas River application 5 t ha–1), T2 (Biochar application 5 t ha–1), T3 (lime application 2 t ha–1), and (T0) (without ameliorant). The results showed that the treatment with 5 t ha–1 of compost delivers the best results and was significantly different from other treatments. Providing 5 t ha–1 of compost can increase the productivity of Raja Uncak local rice from 0.72 t ha–1 (Without ameliorant) to 3.14 t ha–1. Thus, the effort to provide ameliorant in the form of 5 t ha–1 of compost is recommended for the Raja Uncak local rice cultivation in Kapuas Hulu Regency.
Highlights
The Government of Republic of Indonesia has issued Presidential Regulation of the Republic of Indonesia (-Perpres) No 31 of 2015 concerning the spatial plan for national border areas in Kalimantan [1]
The effort to provide ameliorant in the form of 5 t ha–1 of compost is recommended for the Raja Uncak local rice cultivation in Kapuas Hulu Regency
The research was conducted in rice fields during the rainy season (September 2018 – February 2019) in Melapi Village, Putussibau Selatan District, Kapuas Hulu Regency, West Kalimantan Province, Indonesia
Summary
The Government of Republic of Indonesia has issued Presidential Regulation of the Republic of Indonesia (-Perpres) No 31 of 2015 concerning the spatial plan for national border areas in Kalimantan [1]. The Perpres mentioned five regencies that are included in the state border area, including; Kapuas Hulu Regency, Sintang Regency, Sanggau Regency, Bengkayang Regency and Sambas Regency. The food barn program in the border area was launched by the Indonesian government a few years ago. West Kalimantan Province is one of the provinces that has 5 national border areas, including in Sambas, Sanggau, Sintang, Bengkayang and Kapuas Hulu Regencies. Support for innovation in the form of technological innovation is important in developing border areas as food barns
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