Assessing the Effect of Rice Management System on Soil and Rice Quality Index in Girimarto, Wonogiri, Indonesia

Abstract

Excessive chemical input in rice management systems has an impact on reducing soil quality and rice quality. The research that links soil quality with rice quality is needed to produce recommendations for improving rice cultivation to make healthy rice. This study aimed to determine the index values of soil and rice quality in organic, semi-organic, and conventional paddy fields as well as their relationship to formulate recommendations for land improvement. This research used descriptive explorative methods and purposive sampling to determine the soil and rice samples. This data was then analyzed according to the method for determining the soil quality index and rice quality based on principal component analysis. The results reveal low soil and rice quality in various rice cultivation systems. Organic management of paddy fields has the highest index among other cultivation systems, with a value of 0.36, and tends to approach the moderate index. For the rice quality values, the organic system of paddy fields has the highest value (0.28) and tends to come with the status of moderate rice quality. There is a very significant correlation between soil quality and rice (r=0.80; p-value <0.001; n=54), that high-quality soil will produce high-quality rice too. The soil and rice quality in the organic system are the best compared to other systems. This condition proves that applying organic materials can increase soil quality and improve the quality of rice.

Evaluation of Aggregate Stability Using the Slaking Index Method with Soil Physical Approach in Keduang Sub-Watershed, Indonesia

“…The medium class, organic C content, is at LMU 5, 12, and 21 (forests, rice fields, and plantations). The organic C content varies depending on land use (Romadhon et al, 2024), with higher levels found in plantation land use (Dadgar, 2018;Supriyadi et al, 2021), while research by Eleftheriadis et al (2018) shows the highest average organic C in forests, other research states that rainfed paddy fields have the organic C content is higher than in plantations (Rekwar, 2022). Rainfall affects the organic C content (F-count = 3.946; p-value = 0.024; N = 66).…”

“…Organic C is one of the fundamental parameters in sustainable agriculture (Alaboz et al, 2022;Rahayu et al, 2024;Romadhon et al, 2024) and plays a role in nutrient availability, improving soil's physical, chemical, and biological properties (Farrasati et al, 2019;Meilani et al, 2023;Smith et al, 2013). The results of organic C analysis show that organic C at the research location is in the very low to medium category (Center for Research and Development of Agricultural Land Resources, 2009).…”

The Study of Relationship of Soil Physics Health and Micro-Climate Characteristics on Paddy Fields

“…In line with research by Fadillah et al (2022), the increase in grain production in the inorganic system is shortlived because the decrease in soil physics health and the accumulation of chemical residues over a sufficiently long time can poison the plant. In contrast, in the organic system, soil health improves due to the use of more environmentally friendly organic materials (Romadhon et al, 2024).…”