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All Journal AGRIVITA, Journal of Agricultural Science
Jiaphasu-anan, Tassanee
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Agriculture, Biological Sciences & Forestry

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Timing of Chicken Manure Application in Vegetable Soybean Production Toonsiri, Phasita; Paladet, Chutima; Ngahwut, Yanawut; Khin, Sophary; Thongplew, Natapol; Jiaphasu-anan, Tassanee
AGRIVITA Journal of Agricultural Science Vol 48, No 3 (2026): October 2026
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v48i3.4930

Abstract

Sustainable Development Goals (SDGs) emphasize the importance of sustainable agricultural practices. Enhancing the potential of lowfertility soils through eco-friendly practices is essential for increasing agricultural productivity and fulfilling SDGs. This study evaluated the effects of different timings of chicken manure application on the growth and yield of Chiang Mai 84-2 vegetable soybean (Glycine max L.) in low-fertility soils. Adopting a pot experiment, this research was carried out following a randomized complete block design with four replications and five treatments: 1) control (no fertilizer applied), 2) chicken manure and chemical fertilizer application as recommended by the Department of Agriculture in Thailand, 3) 100% chicken manure at the recommended nitrogen rate with a single application, 4) 100% chicken manure at the recommended nitrogen rate split into two applications, and 5) 100% chicken manure at the recommended nitrogen rate split into three applications. The results showed that Treatment 5 had the highest economic yield (724.5 kg/ha), but there was no significant difference compared to Treatment 2 (657.3 kg/ha). Therefore, utilizing split chicken manure fertilization provides economic benefits by reducing the use of chemical fertilizers and enhancing soybean yield in low-fertility soils. Additionally, it offers environmental advantages by recycling waste and minimizing nitrogen loss.
Co-Authors Khin, Sophary Ngahwut, Yanawut Paladet, Chutima Thongplew, Natapol Toonsiri, Phasita