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\hypersetup{pdftitle={Water Use Strategy to Increase Crop Productivity of Sub"=optimal Upland in Indonesia},pdfauthor={Dyah Susanti, Agus Agus Riyanto, Totok Totok Agung Dwi Haryanto},pdfsubject={Tropentag 2016: Abstract},pdfkeywords={Aromatic upland rice, minimum tillage, upland, water use efficiency},pdfpagemode=None,colorlinks=true}
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\parbox[b]{13.4cm}{\centering \large{\textbf{Tropentag, September 18-21, 2016, Vienna, Austria}}\\[1ex] \Large{``Solidarity in a competing world ---\\fair use of resources''\\[2ex]}}
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\Large{\textbf{Water Use Strategy to Increase Crop Productivity of Sub"=optimal Upland in Indonesia\footnote{\textbf{Contact Address:} Dyah Susanti, Jenderal Soedirman University, Laboratory of Plant Breeding and Biotechnology, Jl. Dr. Soeparno, 62~Purwokerto, Indonesia, \mbox{e-mail}: \email{dy.santie@gmail.com}}\\[0.8ex]}}
\normalsize{\textsc{Dyah Susanti, Agus Agus Riyanto, Totok Totok Agung Dwi Haryanto}}
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\begin{itemize*}
\item[]{\small{\textit{Jenderal Soedirman University, Laboratory of Plant Breeding and Biotechnology, Indonesia}}}
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\index[author]{Susanti, Dyah}
\index[author]{Agus Riyanto, Agus}
\index[author]{Totok Agung Dwi Haryanto, Totok}
\begin{center}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
Technological innovation is expected to be a solution to problems in increasing productivity of upland for rural communities in Indonesia. Sub"=optimal upland in Cilacap Regency, Central Java, especially the Gandrungmanis Village, District of  Gandrungmangu only could be planted with rice once a year. This is due to the lack of irrigation, water needs fulfiled only by rainfall. Integrated agricultural development research on 10 hectares of sub"=optimally upland implemented by applying aromatic upland rice variety of Jenderal Soedirman University and application of biological fertiliser during the growing season 1 (GS I), continued by the Salibu rice cultivation system (ratooning rice) during GS II, and during GS III farmer implemented Superbodi soybean cultivation system (non"=tillage). In this way, farmers can harvest crops three times a year with savings in time and cost savings cultivation and farming. Salibu (ratooning) rice cultivation system saves about 40 days from transplanting techniques used to do, because there is no seedbed, tillage and planting. Economically, this technique is more efficient, because farmers do not spend working for three initial stages of cultivation. The most basic advantage of this growing season strategy for farmers in upland areas that rely on rain water is the opportunity to be able to harvest, because they get rain optimally during the growing season. The results of this study indicate that the use of aromatic upland rice varieties Inpago Unsoed 1 and the application of biological fertilisers increased rice production up to \unitfrac[10.5]{t}{ha} from \unitfrac[4.8]{t}{ha}. The use of aromatic upland rice variety combined by biological fertiliser to improve the soil quality and growing season management to increase water resource efficiency, proven to be a solution to the problems faced by the farmers. This model could be implemented to increase crop productivity in upland or sub"=optimal land for rural communities in other area in Indonesia also in around the world.}

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\noindent \textbf{Keywords:} Aromatic upland rice, minimum tillage, upland, water use efficiency
\index[key]{Aromatic upland rice}
\index[key]{Minimum tillage}
\index[key]{Upland}
\index[key]{Water!use efficiency}
\end{document}
