Defensive Effects of Three Representative Biological Measures onSeasonal Drought in Tea Plantation in Subtropical Red Soil Hilly Region

SONG Tong-qing; PENG Wan-xia; YI Wen-ming; XIAO Run-lin; WANG Jiu-rong; LI Sheng-hua; LUO Wen

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Defensive Effects of Three Representative Biological Measures onSeasonal Drought in Tea Plantation in Subtropical Red Soil Hilly Region

更新时间：2024-11-07

- Defensive Effects of Three Representative Biological Measures onSeasonal Drought in Tea Plantation in Subtropical Red Soil Hilly Region
- Vol. 20, Issue 4, Pages: 191-194(2006)
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  CLC： S157.2S571.1
- Published：2006
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SONG Tong-qing, PENG Wan-xia, YI Wen-ming, et al. Defensive Effects of Three Representative Biological Measures onSeasonal Drought in Tea Plantation in Subtropical Red Soil Hilly Region[J]. 2006, 20(4): 191-194.
DOI：

SONG Tong-qing, PENG Wan-xia, YI Wen-ming, et al. Defensive Effects of Three Representative Biological Measures onSeasonal Drought in Tea Plantation in Subtropical Red Soil Hilly Region[J]. 2006, 20(4): 191-194. DOI：

摘要

在采集湖南省长沙县1960～2001年气象资料的基础上．探讨了我国亚热带红壤丘陵茶园夏季高温干旱和秋季持续干旱的发生规律，并以常规管理茶园为对照，通过2001～2004年连续4年大田对比试验，分析了杉树高层间作、白三叶草低层间种和稻草覆盖3种典型生物措施对茶园季节性干旱的防御效果，结果发现，3种生物措施明显减少了茶园全年0～20cm土层土壤含水量≤15％，≤12％，≤10％的出现频率，在夏季高温干旱和秋季持续干旱时期均提高了茶园土壤含水量，有效地延缓和缩短了干旱时间，缓解了旱情，显著增加了夏秋茶产量，改善了夏秋茶品质。

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