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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Lenny Widjayanthi
Agricultural Extension Study Program, Faculty of Agriculture, University of Jember, Kalimantan Street 37, Jember, East Java 68121, INDONESIA
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Integrating phosphate-solubilizing fungi and moderate phosphorus application for sustainable corn production Sigit Prastowo; Distiana Wulanjari; Agung Sih Kurnianto; Ati Kusumawati; Lenny Widjayanthi; Indah Ibanah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 53 No. 2 (2025): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v53i2.62734

Abstract

Corn (Zea mays) is a vital staple crop and the second-largest agricultural commodity in Indonesia. However, productivity remains suboptimal, often due to nutrient imbalances, particularly in phosphate-rich soils where availability to plants is limited. This study aimed to assess the effects of reducing phosphate fertilizer by 50% in combination with bioagents Trichoderma harzianum, Metarhizium anisopliae, and arbuscular mycorrhizal fungi on key agronomic traits of corn. A randomized block design was employed to measure parameters including root volume, root-to-shoot ratio, leaf width, and seed sphericity. Results showed that applying 50% phosphate fertilizer alone yielded the highest root volume (70.00±18.19 mL) and root-to-shoot ratio (0.50±0.32), suggesting improved root development. In contrast, treatment with Metarhizium produced the widest leaves (10.14±0.30 cm) but showed the lowest values for root volume and root-to-shoot ratio. These findings highlight the potential of combining moderate phosphate input with beneficial bioagents to improve corn performance in marginal soils. The approach offers a cost-effective and environmentally sustainable alternative for managing nutrient imbalances. Further studies on long-term effects and economic feasibility are recommended to support wider adoption of these practices in sustainable agriculture. Keywords: maize; Metharizium; nutrient management; sustainable agriculture; Trichoderma
Co-Authors Agung Sih Kurnianto Ati Kusumawati Distiana Wulanjari Indah Ibanah Sigit Prastowo