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间作鼠茅对茶园杂草抑制效果和茶叶品质与产量指标的影响
张永志,王淼,高健健,舒先飞,胡轩语,蒋慧光,沈周高,李叶云
0
(安徽农业大学茶与食品科技学院,合肥 230036)
摘要:
间作是茶园生态抑草的有效手段之一。在四年生的茶园中间作鼠茅,研究其对茶园杂草的防治效果,以及对茶园土壤肥力、茶叶产量和品质的影响。结果显示,茶园间作鼠茅可以显著地降低杂草的发生,其中,杂草株防效和鲜重防效均在89%左右。与清耕相比,间作鼠茅后土壤肥力明显提高,有机质、碱解氮、速效磷含量提高了65.00%、49.19%和95.54%。间作鼠茅均可以显著提高茶叶中的氨基酸、咖啡碱、茶多酚和水浸出物含量,其中氨基酸增加最明显,增加了49.8%;间作鼠茅明显提高茶树的发芽密度和百芽重。结果表明间作鼠茅有望成为一种生态的茶园抑草方式。
关键词:  鼠茅  杂草抑制效果  土壤肥力  茶叶品质
DOI:10.13610/j.cnki.1672-352x.20200706.009
投稿时间:2019-09-29
基金项目:国家重点研发计划(2016YFD0200902), 安徽省中央引导地方科技发展专项(201907d06020017)和安徽省大学生创新创业训练计划项目(201610364006)共同资助。
Effects of intercropping Vulpia myuros on weed control and indexes of tea quality and production
ZHANG Yongzhi,WANG Miao,GAO Jianjian,SHU Xianfei,HU Xuanyu,JIANG Huiguang,SHEN Zhougao,LI Yeyun
(School of Tea and Food Science Technology, Anhui Agricultural University, Hefei 230036)
Abstract:
Intercropping is one of the effective methods of ecologically-based weed management in the tea garden. Intercropping Vulpia myuros in a 4-year-old tea garden, the effects of Vulpia myuros on the control of weed in tea gardens, soil fertility in the garden, and yield and quality of tea leaves were studied. The results showed that intercropping Vulpia myuros could significantly reduce the occurrence of weed, among them, the control effect of weed plant and fresh weight was all about 89%. Compared with clean tillage, the soil fertility was significantly improved after intercropping Vulpia myuros, and the contents of soil organic matter, available N and available P were increased by 65.00%, 49.19% and 95.54%, respectively. The contents of amino acid, caffeine, tea polyphenols and water extracts in tea leaves were significantly increased by intercropping Vulpia myuros, among which, amino acid was increased by 49.8%; intercropping Vulpia myuros could obviously improve the budding density and one-hundred-bud weight of tea trees. This result indicated that intercropping Vulpia myuros is expected to be ecologically-based weed management in tea garden.
Key words:  Vulpia myuros  weed control  soil fertility  tea quality

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