Effects of newly developed biodegradable liquid mulch on soil temperature，cotton seed germination and seedling growth
In order to determine the effect of newly developed biodegradable liquid mulch (BDLM) on soil temperature, seed germination, and seedling growth of upland cotton, an experiment was carried out at the Agricultural Experiment Station of Zhejiang University in 2018 and 2019. The results showed that BDL...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2020-12-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Subjects: | |
| Online Access: | https://www.academax.com/doi/10.3785/j.issn.1008-9209.2020.03.121 |
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| Summary: | In order to determine the effect of newly developed biodegradable liquid mulch (BDLM) on soil temperature, seed germination, and seedling growth of upland cotton, an experiment was carried out at the Agricultural Experiment Station of Zhejiang University in 2018 and 2019. The results showed that BDLM exhibited significant improvement with respect to soil temperature, cotton seed germination rate, stem and leaf biomass (P＜0.05) compared with bare soils. In comparison with plastic mulch, BDLM had no significant effects on soil temperature and cotton seed germination rate. In order to evaluate the effect of BDLM residues on cotton seedling growth under different soil types, a pot trial was carried out in a growth chamber. The results revealed that BDLM residues had significant effect on cotton seed germination rate. The interaction of soil types and BDLM residues had significant effects on chlorophyll content, leaf area index (LAI) and soil moisture content (P＜0.05). The highest chlorophyll content was observed from loam soils with BDLM residues, and the highest leaf area index was observed from clay soils with plastic residues, and lowest moisture content was observed from traditional loam soils. In conclusion, BDLM has positive effect on cotton growth, however further researches should be proposed during cotton harvesting stage. |
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| ISSN: | 1008-9209 2097-5155 |