Evaporation Processes on Fragrant Pear Land Surface with Different Irrigation Techniques

LIU Hong-bo; BAI Yun-gang; ZHANG Jiang-hui; ZHANG Sheng-jiang; DING Ping

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Evaporation Processes on Fragrant Pear Land Surface with Different Irrigation Techniques

- Evaporation Processes on Fragrant Pear Land Surface with Different Irrigation Techniques
- Bulletin of Soiland Water Conservation Vol. 32, Issue 5, Pages: 134-137(2013)
- 作者机构：
  
  新疆水利水电科学研究院,新疆,乌鲁木齐,830019
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- Published：2013
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LIU Hong-bo, BAI Yun-gang, ZHANG Jiang-hui, et al. Evaporation Processes on Fragrant Pear Land Surface with Different Irrigation Techniques[J]. Bulletin of Soiland Water Conservation, 2013, 32(5): 134-137.
DOI：

LIU Hong-bo, BAI Yun-gang, ZHANG Jiang-hui, et al. Evaporation Processes on Fragrant Pear Land Surface with Different Irrigation Techniques[J]. Bulletin of Soiland Water Conservation, 2013, 32(5): 134-137. DOI：

摘要

对新疆库尔勒灌溉实验站香梨地不同灌水技术处理的土面蒸发进行了试验研究，并分析了土面蒸发强度与土壤含水量和土面蒸发强度与土壤耗水强度间的关系。结果表明，各处理在整个生育期的平均土面蒸发强度由大到小依次为微喷、小管和环管，其累积土面蒸发值分别为116.05，104.53和89.60mm。各处理棵间相对土面蒸发强度与0-20cm土层深度的土壤含水量相关关系显著，呈二次递增规律。土壤耗水强度在生育期内整体上呈现从大到小的变化规律，大小顺序依次为微喷、环管和小管，且土面蒸发强度均随着土壤耗水强度的增大而增大，二者之间呈幂函数关系。

Abstract

Soil surface evaporation in fragrant pear land of the Kuerle Irrigation Experiment Station was studied experimentally with different irrigation techniques.The relationships among soil surface evaporation intensity

soil water content and soil water consuming intensity were analyzed.Results showed that the treatmenu

in terms of the average soil surface evaporation intensity over the whole growth period

were in the descending order of microjet

small tube and ring tube.Their cumulative soil surface evaporation values were 116.05

104.53 and 89.60 mm

respectively.For the treatments of different tree intervals

the relative intensity of soil surface evaporation in 0-20 cm soil layer had a significant correlation with soil water content

presenting a quadratic increasing relation.In the whole growth period

soil water consumption intensity pres ented a high to low change

with the descending order of microjet

ring tube and small tube.Soil surface evaporation intensity increased with increased soil water consumption intensity

which can be described by power function.

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