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Rahmadi, Rizky
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Journal : Proceeding Applied Business and Engineering Conference

 1 
Application of Rhizobium Inoculum and Plant Population on Nodulation and Productivity of Edamame (Glycine max (L.) Merr.) Rochman, Fajar; Rahmadi, Rizky; Sari, Evi Yunita
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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Abstract

Root nodulation is a crucial process for legumes, including edamame (Glycine max (L.) Merr.), as it enablesbiological nitrogen fixation, enhancing nitrogen availability for plant growth. The implementation of Rhizobium inoculumhas been demonstrated to reduce the necessity for synthetic fertilizers, thereby enhancing the health and yield of the plantsin question. Furthermore, optimal plant population management ensures adequate access to light, water, and nutrients,maximizing productivity. The combination of Rhizobium inoculation and population management represents a crucialstrategy for enhancing the productivity and sustainability of legume crops, such as edamame. This study examines theimpact of Rhizobium inoculation and plant population management on the nodulation and productivity of edamame. Theresearch was conducted using a randomized block design, with two factors: the application of Rhizobium (Bradyrhizobiumjaponicum) at two levels (without inoculation and with inoculation) and plant spacing (20 x 15 cm and 20 x 30 cm). Eachtreatment was replicated five times. The observed parameters included number of root nodulations, plant height, leaf area,leaf greenness, number of filled and empty pods, weight of filled and empty pods, wet weight, and 100 seed weight. Thedata were subjected to analysis of variance, followed by Duncan's Multiple Range Test. The findings indicated thatRhizobium inoculation markedly enhanced root nodulation, with the 20 x 15 cm spacing in conjunction with inoculationyielding the highest total nodulation, number and wight filled pods, wet weight, and 100 seed weight.
Application of Rhizobium Inoculum and Plant Population on Nodulation and Productivity of Edamame (Glycine max (L.) Merr.) Rochman, Fajar; Rahmadi, Rizky; Sari, Evi Yunita
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Root nodulation is a crucial process for legumes, including edamame (Glycine max (L.) Merr.), as it enablesbiological nitrogen fixation, enhancing nitrogen availability for plant growth. The implementation of Rhizobiuminoculum has been demonstrated to reduce the necessity for synthetic fertilizers, thereby enhancing the health and yieldof the plants in question. Furthermore, optimal plant population management ensures adequate access to light, water, andnutrients, maximizing productivity. The combination of Rhizobium inoculation and population management represents acrucial strategy for enhancing the productivity and sustainability of legume crops, such as edamame. This study examinesthe impact of Rhizobium inoculation and plant population management on the nodulation and productivity of edamame.The research was conducted using a randomized block design, with two factors: the application of Rhizobium(Bradyrhizobium japonicum) at two levels (without inoculation and with inoculation) and plant spacing (20 x 15 cm and20 x 30 cm). Each treatment was replicated five times. The observed parameters included number of root nodulations,plant height, leaf area, leaf greenness, number of filled and empty pods, weight of filled and empty pods, wet weight, and100 seed weight. The data were subjected to analysis of variance, followed by Duncan's Multiple Range Test. Thefindings indicated that Rhizobium inoculation markedly enhanced root nodulation, with the 20 x 15 cm spacing inconjunction with inoculation yielding the highest total nodulation, number and wight filled pods, wet weight, and 100seed weight.
Allelopathy of Ethanol, Ethyl Acetate, and Aquadest Extracts of Kirinyuh (Chromolaena odorata) Leaves as a Bioherbicide in Controlling Spenochlea zeylanica Rahmadi, Rizky; Rochman, Fajar; Subarjo, Subarjo
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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Abstract

Spenochela zeylanica is the most prevalent weed of paddy rice in Indonesia, and therefore its presencenecessitates control in order to reduce the potential for yield losses. The use of chemical herbicides as a control method isprevalent, but their environmental impact and potential for inducing weed resistance are significant drawbacks. It istherefore necessary to identify control methods that are environmentally friendly and capable of overcoming weedresistance. The leaves of Chromolaena odorata have allelopathic properties that could be harnessed for use as abioherbicide. The objective of this study is to evaluate the efficacy of C. odorata leaf extractions using diverse organicsolvents as a bioherbicide for the management of S. zeylanica. This study used a randomized group design (RBD) with 11treatments and 3 replications, including: T0: no treatment; 96% ethanol extraction: T1(5%), T2(10%), T3(15%); ethylacetate extraction: T4(5%), T5(10%), T6(15%); aquadest extraction: T7(5%), T8(10%), T9(15%); T10: 2,4-D herbicide(648 g a.i./ha). The findings indicated that the extraction of C. odorata using various organic solvents exhibited promise asa bioherbicide, displaying the capacity to poison weeds up to 100% (T2, T3, T6, T8, T9) and effectively suppressing theheight, root development, and chlorophyll content of S. zeylanica.
Co-Authors Andri Setiawan Ashadi, Ibnu Buana, Arum Sekar Denny Sudrajat Dulbari, Dulbari Evi Yunita Sari, Evi Yunita Khairunnisa, Fahira Dewi Lestari, Citra Ayu Muqoddam Mutaqin, Zainal Priyadi Priyadi Priyadi Priyadi Putri, Ade Maulydiah Rochman, Fajar Sari, Resti Puspa Kartika subarjo, Subarjo Suparmin, Muhammad Miftahurohman Surahman, Suryansyah Syahrul R, Syahrul Tamaulina Br Sembiring Widyani, Dimas Prakoso Yuriansyah Yuriansyah, Yuriansyah