Effects of mixtures and intercropping of common vetch and oat in valley area of Tibet on the yield and quality
In valley area of Tibet, seeds of common vetch (Vicia sativa L.) and oat (Avena sativa L.) were sowed at different ratios in mixtures and intercropping. The forage yield and nutritional quality of common vetch and oat were analyzed and compared, and the optimal sowing ratio of them which was suitabl...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2018-09-01
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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.1008-9209.2017.10.091 |
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| Summary: | In valley area of Tibet, seeds of common vetch (Vicia sativa L.) and oat (Avena sativa L.) were sowed at different ratios in mixtures and intercropping. The forage yield and nutritional quality of common vetch and oat were analyzed and compared, and the optimal sowing ratio of them which was suitable for the local conditions was selected. The results were showed as follows: 1) Compared with monoculture, mixture and intercropping increased the yields, and significantly increased the height of common vetch, but had no significant effect on the oat. 2) In all mixtures and intercropping groups, the crude protein (CP) content was increased with the increasing of seeding proportion of common vetch, and higher than that of monocultured oat. Among them, the monocultured common vetch had the highest CP content (21.9%), while the CP concent of monocultured oat was the lowest (5.5%). 3) Mixture and intercropping both increased the contents of neutral detergent fiber (NDF) and acid detergent fiber (ADF) in common vetch and oat, which increased by 27.3%-43.5% and 2.4%-17.6%, respectively. Moreover, the NDF content was increased as the seeding proportion of common vetch increasing, which was similar to the change of CP content; while the change trend of ADF was on the contrary. Based on the above results and the analysis of fuzzy mathematics membership function, it is indicated that the mixture of common vetch and oat performs more advantages on the forage yield and quality than intercropping as well as monoculture, and the optimal mixture ratio is common vetch 60% and oat 40%, which is suitable for application in valley aera of Tibet. |
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| ISSN: | 1008-9209 2097-5155 |