Evaluation of land suitability and productivity of rice fields at Gunung Sewu Karst (Case study: Ponjong and Semanu Sub-district, Gunungkidul Regency)

Nur Laily Romadhotul Husna, Astrid Damayanti, Taqyuddin, Tuty Handayani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Rice is a staple food for most Indonesians. Rice production is very dependent on the potential of rice fields. The productive potential of each land will be different due to differences in physical and human factors. Ponjong and Semanu Subdistrict in Gunungkidul Regency were the locations of the study because these subdistricts located in the Gunung Sewu Karst Region have the widest areas of rice fields. The Karst region has unique hydrology and landforms. The purpose of this study was to describe the spatial pattern of suitability and productivity of the rice fields, as well as the relationship between the land suitability class and the productivity of the rice fields in Ponjong and Semanu Subdistrict. Variables used are surface temperature, number of wet months, drainage, texture, pH, soil depth, cation capacity, base saturation and slope, the productivity of the rice fields. The correlation matrix method is used to process land productivity data and its management, while a spatial analysis was used for the land suitability class and land productivity. The results show that the most suitable rice fields are on the western side, which is moderately suitable with nutrient retention inhibitors in a rather alkaline pH level. The lowest rice field suitability is found in the north to the south side with erosion hazard inhibitors and a slope above 15%. The study confirms the relationship between land use classes with the productivity of rice fields; more inhibiting factors found in the area, the lower the level of productivity.

Original languageEnglish
Title of host publicationProceedings of the 2nd International Conference on Bioscience, Biotechnology, and Biometrics 2019
EditorsEka Sunarwidhi Prasedya, Ni Wayan Riyani Martyasari
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735419506
DOIs
Publication statusPublished - 23 Dec 2019
Event2nd International Conference on Bioscience, Biotechnology, and Biometrics 2019, ICBBB 2019 - Senggigi, Lombok, Indonesia
Duration: 13 Aug 201914 Aug 2019

Publication series

NameAIP Conference Proceedings
Volume2199
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2nd International Conference on Bioscience, Biotechnology, and Biometrics 2019, ICBBB 2019
CountryIndonesia
CitySenggigi, Lombok
Period13/08/1914/08/19

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  • Cite this

    Husna, N. L. R., Damayanti, A., Taqyuddin, & Handayani, T. (2019). Evaluation of land suitability and productivity of rice fields at Gunung Sewu Karst (Case study: Ponjong and Semanu Sub-district, Gunungkidul Regency). In E. S. Prasedya, & N. W. R. Martyasari (Eds.), Proceedings of the 2nd International Conference on Bioscience, Biotechnology, and Biometrics 2019 [070003] (AIP Conference Proceedings; Vol. 2199). American Institute of Physics Inc.. https://doi.org/10.1063/1.5141317