ZHAO Jing,WANG Xuemei,CHAI Zhongping,et al.Influence on Water Holding Capacity of Soil and Yield of Korla Fragrant Pear Orchard With Covering Sand[J].Northern Horticulture,2015,39(20):145-148.[doi:10.11937/bfyy.201520036]
覆砂对库尔勒香梨园土壤保水性和产量的影响
- Title:
- Influence on Water Holding Capacity of Soil and Yield of Korla Fragrant Pear Orchard With Covering Sand
- 文献标志码:
- A
- 摘要:
- 以22年树龄的库尔勒香梨园土壤为研究对象，进行表层覆砂试验，设置不同覆砂厚度，采用常规方法监测土壤灌水后不同时间点上的土壤含水量以及库尔勒香梨产量，分析覆砂厚度对香梨园不同时期土壤含水量和果树产量的影响。结果表明：覆砂能抑制土壤蒸发，提高土壤含水量，促进果树增产。土壤覆砂5 cm处理对提高土壤保水性效果较好，但与覆砂2 cm处理土壤含水量相比无显著差异。覆砂2 cm处理和覆砂5 cm处理的库尔勒香梨产量较不覆砂处理库尔勒香梨产量增加8.81％和11.05％。综合考虑覆砂对库尔勒香梨园土壤保水性、果实增产和改善果形特征的影响，该研究推荐库尔勒香梨园表土覆砂以2 cm厚度为最佳。
- Abstract:
- Taking soil in 22 years Korla fragrant pear orchard as research object，setting experimental areas with different thickness of covering sand，the effect of thickness of covering sand on soil moisture and the yield of Korla fragrant pear were analyzed.The results showed that soil surface with covering sand could inhibit soil evaporation，increase soil moisture，and promote fruit production.It was better for improving soil water holding capacity to cover 5 cm sand，but there was no significant difference compared with soil water content of covering 2 cm sand.The yield of Korla fragrant pear with covering 2 cm sand and 5 cm sand were respectively increased 8.81% and 11.05% than the yield of Korla fragrant pear without covering sand.Consider the effect of soil water holding capacity，promoting fruit production and improving fruit shape characteristics for Korla fragrant pear orchard with covering sand，this study recommended that it was the best to cover 2 cm sand on soil surface in Korla fragrant pear orchard.
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备注/Memo
第一作者简介：赵静（1993-），女，新疆额敏人，本科，研究方向为农业资源与环境。E-mail：1414278014@qq.com.责任作者：柴仲平（1974-），男，甘肃永昌人，博士，副教授，研究方向为土壤质量与水土保持、果树营养与施肥。E-mail：chaizhongpingth@sina.com.基金项目：国家自然科学基金资助项目(31460548)；自治区高校科研计划科学研究重点资助项目（XJEDU2014I017）；土壤学自治区重点学科资助项目