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Role of Integrated Nutrient Management and Agronomic Fortification of Zinc on Yield, Nutrient Uptake and Quality of Wheat

Venkatesh Paramesh, Shiva Dhar, Anchal Dass, Bipin Kumar, Amit Kumar, Diaa O. El-Ansary and Hosam O. Elansary
Additional contact information
Venkatesh Paramesh: Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
Shiva Dhar: Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
Anchal Dass: Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
Bipin Kumar: Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
Amit Kumar: Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
Diaa O. El-Ansary: Precision Agriculture Laboratory, Department of Pomology, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
Hosam O. Elansary: Plant Production Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia

Sustainability, 2020, vol. 12, issue 9, 1-12

Abstract: Phosphorus (P) and zinc (Zn) are essential plant nutrients, and their deficiency in soils and the antagonistic effect of P on Zn are important concerns world-over. Thus, a two-year (2012–13 to 2013–14) experimentation was carried out to assess grain yield, nutrient uptake and quality parameters of wheat by various levels of P and Zn. The results revealed that 50% recommended dose of P (RDP) through phospho-enriched compost (PEC) + 50% RDP through fertiliser and soil application of 12.5 kg ZnSO 4 .7H 2 O ha −1 + one foliar spray of 0.5% ZnSO 4 .7H 2 O recorded significantly higher grain yield (4.81 and 4.61 t ha −1 , respectively), straw yield (7.20 and 6.92 t ha −1 , respectively) and protein content (11.5% and 11.3%, respectively). The concentrations of Zn in grain (35.6%) and straw (57.3%) were not affected due to organic P application but 100% P through P fertilizer reduced the Zn content in the grains. Both soil and foliar application of Zn were found to be more promising in increasing Zn and Fe concentration in grains (37.5 and 30.9 mg kg −1 , respectively) and straw (60.3 and 398 mg kg −1 , respectively). Overall, the treatment combination of 50% RDP through PEC + 50% RDP through fertiliser and soil applied 12.5 kg ZnSO 4 .7H 2 O ha −1 + one spray of 0.5% Zn was beneficial in reducing antagonistic effect of P on Zn and increasing Zn and Fe concentration in wheat grain and, thus, could be used for improving the yield of Zn and Fe enriched wheat grains.

Keywords: nutrient uptake; phospho-enriched compost; phosphorus; wheat; zinc (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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