Alleviation of Salinity-Induced Oxidative Stress, Improvement in Growth, Physiology and Mineral Nutrition of Canola ( Brassica napus L.) through Calcium-Fortified Composted Animal Manure

Muhammad Naveed, Haroon Sajid, Adnan Mustafa, Bushra Niamat, Zulfiqar Ahmad, Muhammad Yaseen, Muhammad Kamran, Munazza Rafique, Sunny Ahmar and Jen-Tsung Chen
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Muhammad Naveed: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Haroon Sajid: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Adnan Mustafa: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Bushra Niamat: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Zulfiqar Ahmad: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Muhammad Yaseen: Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
Muhammad Kamran: Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
Munazza Rafique: Soil Bacteriology Section, Agri. Biotechnology Research Institute, AARI, Faisalabad 38000, Pakistan
Sunny Ahmar: National Key Laboratory of Crop Improvement Genetics, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
Jen-Tsung Chen: Department of Life Sciences, National University of Kaohsiung, Kaohsiung 811, Taiwan

Sustainability, 2020, vol. 12, issue 3, 1-17

Abstract: Salinity stress is one of the serious restrictive issues for optimum crop production in arid to semi-arid areas. Application of organic amendments have shown positive effects on crop growth and yield under such scenario. The present study was conducted to estimate the potential of calcium-fortified composted animal manure (Ca-FCM) to enhance growth and yield of canola under saline soil conditions. Salt affected soils with various electrical conductivity (EC) levels (original 1.5, 5, and 10 dS m −1 ) were developed via spiking the soil with sodium chloride (NaCl) salt. The results reveal that soil salinity reduced the growth, physiological, yield, and nutritional parameters of canola. However, application of 3% calcium-fortified composted manure significantly enhanced the growth and yield parameters at all EC levels as compared to control. Plant physiological parameters such as photosynthetic rate, relative chlorophyll contents (SPAD value), and relative water content were also increased with the application of 3% Ca-FCM at all EC levels in comparison to control. Application of 3% Ca-FCM also mediated the antioxidant enzymes activities at all EC levels in comparison to control. Moreover, application of 3% Ca-FCM caused maximum increase in nitrogen, phosphorus, and potassium concentrations in shoot at all EC levels. Conversely, application of 3% Ca-FCM showed maximum decrease in Na + /K + ratio in leaf up to 83.33%, 77.78%, and 71.43% at EC levels 1.5, 5, and 10 dS m −1 , respectively, as compared to control. It was concluded that application of calcium-fortified composted animal manure (Ca-FCM) could be an efficient method for improving growth, yield, physiological, and nutritional parameters of canola through mediation of antioxidant defense machinery under saline soil conditions.

Keywords: salinity; manure; yield; Ca-fortification; antioxidants; canola (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 (4)

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