Yield gap variation in rice cultivation in Indonesia

IF 1.8 Q2 AGRICULTURE, MULTIDISCIPLINARY

Open Agriculture Pub Date : 2024-01-01 DOI:10.1515/opag-2022-0241

Yiyi Sulaeman, Vivi Aryati, Agus Suprihatin, Putri Tria Santari, Yati Haryati, Susilawati Susilawati, Deddy Romulo Siagian, Vicca Karolinoerita, Hermawati Cahyaningrum, Joko Pramono, H. S. Wulanningtyas, Lilia Fauziah, Budi Raharjo, Syafruddin Syafruddin, Destika Cahyana, Waluyo Waluyo, Bambang Susanto, Resmayeti Purba, D. O. Dewi, Y. Yahumri, Miswarti Miswarti, A. Afrizon, J. Sondakh, Mirawanty Amin, O. Tandi, Eni Maftuáh, A. F. C. Irawati, Nurhayati Nurhayati, A. Suriadi, Tony Basuki, Muhamad Hidayanto, Tarbiyatul Munawwarah, Y. Fiana, B. A. Bakar, A. Azis, Muhammad Yasin

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Abstract

Abstract The rice yield gap (YG) is a global concern, requiring more detailed studies spatially and temporally. As a staple food in Indonesia, rice was produced from 7.4 Mha paddy fields in 2019. Better insight into the YG helps assess measures to boost rice production. However, the information on YG variation among regions scale is limited. This study aimed to identify the rice YG based on 295 historical trial datasets from 23 provinces in Indonesia. We surveyed published trial results from 2012 to 2022 and analyzed YGs, expressed as the percentage of farmer yield (FY). The potential yield (PY) was estimated from field trial results using introduced rice cultivation technology package, whereas FY from results using existing farmer practices. Our study showed that the average YG was 62% in rainfed, 54% in tidal, and 32% in irrigated paddy fields. The YG was significantly high in the paddy fields of Kalimantan (74%) and Maluku-Papua (49%), while the lowest was in Sulawesi (27%) and Java (31%). The YG varied significantly with geo-regions, rice varieties, and cultivation technology packages. Closing the YG and ensuring sustainable rice production requires the implementation of sustainable intensification through applying site-specific technology packages, reallocation of agricultural interventions to a higher YG region, and rice variety improvement to increase PY.

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印度尼西亚水稻种植的产量差距变化

摘要水稻产量差距（YG）是一个全球关注的问题，需要在空间和时间上进行更详细的研究。作为印度尼西亚的主食，2019 年印尼 740 万公顷稻田的水稻产量。更好地了解 YG 有助于评估提高水稻产量的措施。然而，有关不同地区规模 YG 变化的信息十分有限。本研究旨在根据印度尼西亚 23 个省的 295 个历史试验数据集确定水稻 YG。我们调查了 2012 年至 2022 年期间公布的试验结果，并分析了以农民产量（FY）百分比表示的 YGs。潜在产量（PY）是根据采用引进的水稻栽培技术包进行的田间试验结果估算的，而潜在产量（FY）则是根据采用现有农民耕作方式进行的试验结果估算的。我们的研究表明，雨水灌溉稻田的平均 YG 为 62%，潮汐灌溉稻田的平均 YG 为 54%，灌溉稻田的平均 YG 为 32%。加里曼丹（74%）和马鲁古-巴布亚（49%）稻田的 YG 明显较高，而苏拉威西（27%）和爪哇（31%）稻田的 YG 最低。YG 因地理区域、水稻品种和栽培技术包的不同而有很大差异。要消除 YG 并确保水稻的可持续生产，就必须通过应用针对具体地点的成套技术来实施可持续集约化，将农业干预措施重新分配到 YG 较高的地区，并改良水稻品种以提高PY。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Open Agriculture AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

3.80

自引率

4.30%

发文量

审稿时长

9 weeks

期刊介绍： Open Agriculture is an open access journal that publishes original articles reflecting the latest achievements on agro-ecology, soil science, plant science, horticulture, forestry, wood technology, zootechnics and veterinary medicine, entomology, aquaculture, hydrology, food science, agricultural economics, agricultural engineering, climate-based agriculture, amelioration, social sciences in agriculuture, smart farming technologies, farm management.