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Journal of Multidisciplinary Studies

Discipline: Multidisciplinary Studies

The Journal of Multidisciplinary Studies (JMDS) is a peer-reviewed multidisciplinary journal which aims to publish biannually finest research articles in social sciences, natural sciences, engineering and technology and other subject areas. Submitted papers should describe original and previously unpublished works, not currently under review by another

JMDS provides a platform for dissemination of research findings, new research areas and techniques, conceptual developments and articles with practical applications and contribution to society.


Abstract
Agronomic, Physiological, and Economic Efficiencies of Sweet Corn (Zea mays L. var. saccharata) Applied with Varying Levels of Indigenous Microorganisms (IMO) 7 and Organic Nutrient Supplements
Jeffrey P. Villaver 1 , Eric Randy R. Politud 2 , Renante D. Taylaran 2 , Alma L. Cosadio 2 , Imelda U. Hebron 2 , Apolinario B. Gonzaga Jr. 3

Indigenous microorganisms (IMO) 7 are organic fertilizers produced from a series of aerobic and anaerobic fermentations. This study investigated the effects of levels of indigenous microorganisms (IMO) 7 such as control (N:P:K: 120:90:60), IMO 7 at 7.5 t ha -1 , 15 t ha -1 , and 22.5 t ha -1 and organic nutrient supplements (ONS) - fish amino acid (FAA), fermented plant juice (FPJ), and fermented seaweed (FS) on the different agronomic, physiological and economic parameters of sweet corn. The experimental plots were arranged using a 4 x 4 factorial in Randomized Complete Block Design (RCBD) with three replicates. The results revealed that the IMO 7 significantly improved the ear height, net assimilation rate (NAR) 55-65 days after planting (DAP), dry matter yield (DMY), and return on investment (ROI). The ONS influenced the ear yield, leaf area index (LAI) at 65 DAP, NAR (45-55, 55-65 DAP), and ROI. The control (N:P:K: 120:90:60) and the IMO 7 at 22.5 t ha -1 gave the highest DMY 10.58 and 10.37 t ha -1 . Among the ONS, FS obtained the highest ear yield at 13 t ha -1 and NAR of 0.091 - 0.131 gm -2 day -1 . Economically, control (N:P:K: 120:90:60) achieved the highest ROI at 392.1%, followed by IMO 7 at 7.5 t ha -1 at 287%. FS got the highest ROI at 269.8% among the ONS. The results provide vital information on IMO 7 and ONS's effects on sustainable sweet corn production in Aurora, Zamboanga del Sur, Philippines.

KEYWORDS: agronomic efficiency, indigenous microorganisms, physiological performance, return-on-investment, sweet corn
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