Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse
The tremendous scale of protected vegetable cultivation incidentally produces considerable vegetable residue, which refers to the remaining parts of plants after the final harvest. The low use rate of vegetable residue results in nutrient waste and environmental pressure in China. In this study, we...
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MDPI AG
2021-09-01
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| Series: | Agronomy |
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| author | Xiaoxuan Wei Yansu Li Xiaoguang Fan Chaoxing He Yan Yan Mintao Sun Chaowu Ding Jun Wang Xianchang Yu |
| author_facet | Xiaoxuan Wei Yansu Li Xiaoguang Fan Chaoxing He Yan Yan Mintao Sun Chaowu Ding Jun Wang Xianchang Yu |
| author_sort | Xiaoxuan Wei |
| collection | DOAJ |
| description | The tremendous scale of protected vegetable cultivation incidentally produces considerable vegetable residue, which refers to the remaining parts of plants after the final harvest. The low use rate of vegetable residue results in nutrient waste and environmental pressure in China. In this study, we put forward vegetable residue directly returned to the soil and investigated its feasibility. Residue return was steadily conducted 5 times in a Chinese solar greenhouse with the cucumber–tomato rotation pattern. Results showed that residue return increased the soil alkali-hydrolysed nitrogen and available potassium contents by 4.97–26.22% and 9.31–21.92%, respectively, along with slightly reduced soil pH and bulk density by 1.00–5.39% and 6.72–11.81%, respectively. <i>Gemmatimonadetes</i>, <i>Firmicutes</i>, <i>Acidobacteria</i>, <i>Basidiomycota</i>, and <i>Mortierellomycota</i> were the major phyla with noticeable changes when residue return was conducted 5 times. Fruit yield began to obtain remarkable increase by 5.81–9.26 t·ha<sup>−1</sup> after residue return was conducted 3 times, bringing about additional profits of 5382.0–8519.2 USD·ha<sup>−1</sup>. Residue return could cut down the disposal expense of vegetable residues by 480.89 USD·ha<sup>−1</sup>. Moreover, residue return could supplement nutrients to soil, potentially contributing to reducing chemical fertilizer inputs. In conclusion, in situ vegetable residue return could be considered to be a feasible and sustainable use technique for vegetable residues in the Chinese solar greenhouse. |
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| language | English |
| last_indexed | 2024-03-10T07:59:04Z |
| publishDate | 2021-09-01 |
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| series | Agronomy |
| spelling | doaj.art-69614873eb4f4528af6c774da434e7542023-11-22T11:38:59ZengMDPI AGAgronomy2073-43952021-09-01119182810.3390/agronomy11091828Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar GreenhouseXiaoxuan Wei0Yansu Li1Xiaoguang Fan2Chaoxing He3Yan Yan4Mintao Sun5Chaowu Ding6Jun Wang7Xianchang Yu8Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaWeifang Ruixuan Agricultural Technology Co., Ltd., Shouguang 262700, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaWeifang Ruixuan Agricultural Technology Co., Ltd., Shouguang 262700, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaInstitute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaThe tremendous scale of protected vegetable cultivation incidentally produces considerable vegetable residue, which refers to the remaining parts of plants after the final harvest. The low use rate of vegetable residue results in nutrient waste and environmental pressure in China. In this study, we put forward vegetable residue directly returned to the soil and investigated its feasibility. Residue return was steadily conducted 5 times in a Chinese solar greenhouse with the cucumber–tomato rotation pattern. Results showed that residue return increased the soil alkali-hydrolysed nitrogen and available potassium contents by 4.97–26.22% and 9.31–21.92%, respectively, along with slightly reduced soil pH and bulk density by 1.00–5.39% and 6.72–11.81%, respectively. <i>Gemmatimonadetes</i>, <i>Firmicutes</i>, <i>Acidobacteria</i>, <i>Basidiomycota</i>, and <i>Mortierellomycota</i> were the major phyla with noticeable changes when residue return was conducted 5 times. Fruit yield began to obtain remarkable increase by 5.81–9.26 t·ha<sup>−1</sup> after residue return was conducted 3 times, bringing about additional profits of 5382.0–8519.2 USD·ha<sup>−1</sup>. Residue return could cut down the disposal expense of vegetable residues by 480.89 USD·ha<sup>−1</sup>. Moreover, residue return could supplement nutrients to soil, potentially contributing to reducing chemical fertilizer inputs. In conclusion, in situ vegetable residue return could be considered to be a feasible and sustainable use technique for vegetable residues in the Chinese solar greenhouse.https://www.mdpi.com/2073-4395/11/9/1828vegetable residuesphysicochemical characteristicsmicrobial communitiesyieldfeasibility |
| spellingShingle | Xiaoxuan Wei Yansu Li Xiaoguang Fan Chaoxing He Yan Yan Mintao Sun Chaowu Ding Jun Wang Xianchang Yu Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse Agronomy vegetable residues physicochemical characteristics microbial communities yield feasibility |
| title | Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse |
| title_full | Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse |
| title_fullStr | Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse |
| title_full_unstemmed | Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse |
| title_short | Techno-Economic Feasibility of In Situ Vegetable Residue Return in the Chinese Solar Greenhouse |
| title_sort | techno economic feasibility of in situ vegetable residue return in the chinese solar greenhouse |
| topic | vegetable residues physicochemical characteristics microbial communities yield feasibility |
| url | https://www.mdpi.com/2073-4395/11/9/1828 |
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