Integrated Fertilizers Synergistically Bolster Temperate Soybean Growth, Yield, and Oil Content

Muhammad Aamir Iqbal, Rana Zain Raza, Mohsin Zafar, Omar M. Ali, Raees Ahmed, Junaid Rahim, Raina Ijaz, Zahoor Ahmad and Brandon J. Bethune
Additional contact information
Muhammad Aamir Iqbal: Department of Agronomy, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Rana Zain Raza: Department of Agronomy, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Mohsin Zafar: Department of Soil and Environmental Sciences, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Omar M. Ali: Department of Chemistry, Turabah University College, Turabah Branch, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Raees Ahmed: Department of Plant Pathology, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Junaid Rahim: Department of Entomology, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Raina Ijaz: Department of Horticulture, Faculty of Agriculture, University of Poonch Rawalakot, Rawalakot 12350, Pakistan
Zahoor Ahmad: Department of Botany, Punjab Group of Colleges, University Campus Bahawalpur, Punjab 63100, Pakistan
Brandon J. Bethune: Department of Plant Sciences, University of California, Davis, CA 95616, USA

Sustainability, 2022, vol. 14, issue 4, 1-17

Abstract: For ensuring food security and imparting sustainability to modern commercial-oriented and highly intensive temperate farming systems, organic wastes from poultry and dairy industries constitute biologically viable strategy to improve crops productivity under changing climate. A field trial was undertaken to appraise the impact of broiler litter (BL = 5 tons ha −1 ), farm yard slurry (FYS = 10 tons ha −1 ), and chemical fertilizers including di-ammonium phosphate (DAP = 60 kg ha −1 ) and single super phosphate (SSP = 60 kg ha −1 ) applied solely and in conjunction with each other, along with a control treatment (NM). The synergistic fertilization regime encompassing BL+DAP triggered the vegetative growth of soybean as indicated by taller plants having thicker stems and higher leaf area per plant compared to NM. In addition, this fertilization management system improved reproductive yield attributes including pods number and 100-seeds weight which maximized the seed yield, harvest index, seed oil content, and biological yield by 66%, 5%, 31%, and 23% respectively than NM. Moreover, this fertilizers combination was followed by SSP + BL, while BL performed better than FYS and DAP remained superior to SSP. Furthermore, the correlation analyses indicated moderately stronger direct association of seed yield with vegetative growth traits and highly stronger linear relationship with reproductive yield attributes. Thus, co-application of broiler litter (5 tons ha −1 ) with reduced doses of DAP (60 kg ha −1 ) might be recommended to temperate soybean growers having access to poultry wastes.

Keywords: sustainable farming; chicken manure; farm yard slurry; single super phosphate; harvest index (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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