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| Effects of partial substitution of chemical fertilizer by vermicompost from food waste on the photosynthesis, antioxidant capacity, and quality of Chinese cabbage and broccoli |
| Received:October 16, 2020 |
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| KeyWord:vermicompost from food waste;greenhouse vegetables;photosynthesis;antioxidant enzymes;organic substitution;yield |
| Author Name | Affiliation | E-mail | | YANG Kai | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | | | DONG Qing-jun | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | | | LI Qi-sheng | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | | | WANG Dong-sheng | Nanjing Institute of Vegetable and Flower Science, Nanjing 210042, China | | | JIAO Jia-guo | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | jiaguojiao@njau.edu.cn | | HU Feng | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | | | LI Hui-xin | College of Resources and Environmental Sciences, Nanjing Agricultural University/Jiangsu Organic Solid Waste Recycling Collaborative Innovation Center, Nanjing 210095, China | |
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| Abstract: |
| This study aimed to understand the effects of vermicompost from food waste on the physiological characteristics, yield, and quality of Chinese cabbage and broccoli in a greenhouse. The growth, photosynthesis, antioxidant enzyme activity, yield, and quality of broccoli and Chinese cabbage were analyzed after a partial substitution of the chemical fertilizer(CF) by three organic fertilizers (vermicompost from food waste, FVF; vermicompost from pig manure, PVF; and chicken manure, CMF) with equal amounts of nutrients under fumigation in a greenhouse experiment. The results showed that the growth, photosynthesis, antioxidant enzyme activity, and quality of cabbage and broccoli were improved by the partial vermicompost substitution with the CF, and the yield was greatly affected. Compared with the single application of CF, the partial substitution of CF with vermicompost from food waste could improve the growth, photosynthesis, antioxidant enzyme activity, and quality of cabbage and broccoli, and greatly affected the yield. Compared with CF, the net photosynthetic rate and transpiration rate of Chinese cabbage increased by 15.56% and 11.80%, respectively, and increased by 25.52%, 18.74%, respectively, in broccoli. The yield of Chinese cabbage increased by 22.45%, while the soluble protein and vitamin C content increased by 220.26% and 24.55%, respectively. In conclusion, a 40% substitution of vermicompost from food waste for CFs can significantly improve the growth, physiology, and quality of Chinese cabbage and broccoli, and its effect is better than that of vermicompost from pig manure and chicken manure. |
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