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首页> 外文会议>International Conference on Environmental Science and Technology >EFFECT OF DEFICIT IRRIGATION ON ROOT WATER UPTAKE IN PEPPER CULTIVATION UNDER GREENHOUSE CONDITION
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EFFECT OF DEFICIT IRRIGATION ON ROOT WATER UPTAKE IN PEPPER CULTIVATION UNDER GREENHOUSE CONDITION

机译：温室条件下辣椒栽培根水吸收的影响

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摘要

Root water uptake is a component of water balance that it should be understood more effectively. In this study evaluation of the root water uptake (RWU) affected by irrigation water on pepper plant has been investigated. This study was carried out as a randomized complete design. Irrigation treatments comprised of a full irrigation level surface (Fl) and three deficit irrigation levels in %80, %60 and %40 of the plants water requirement called Dl_(80), DI_(60) and Dl_(40), respectively. A no plant treatment was used to measure the value of evaporation from the soil surface. Through daily measurements of volumetric soil moisture (VSM) of each ten cm of the soil column considering as a layer, the differences between measured VSM and VSM in the next day, and also evaporation value of the soil surface at the same layer of no plant treatment, were calculated and eventually the value of RWU in each layer per day was estimated. The results showed that the maximum and minimum RWUs are in Fl and DI_(40), respectively. The averages of root water uptakes (RAWUs) in DI_(80), Dl_(60) and DI_(40) were reduced by 17.1, 48.8, and 68.3 percentages. Also, in treatment DI_(80) the reduced rate of uptake was less than the reduced rate of plant's given water.
机译：根水吸收是水平的组成部分，即应该更有效地理解它。在这项研究中，研究了辣椒植物灌溉水影响的根水摄取（RWU）的评估。这项研究是作为随机的完整设计进行的。灌溉处理分别由灌溉水平表面（F1）和三种缺陷灌溉水平分别称为DL_（80），DI_（60）和DL_（40）的植物水需求中的％80％，％60和％40中的三种缺陷灌溉水平。没有使用植物处理来测量土壤表面蒸发的值。通过每天测量每10厘米的土壤湿度（VSM）的每日测量，考虑到层，在第二天测量的VSM和VSM之间的差异，以及在没有植物的同一层的土壤表面的蒸发值计算，并最终计算并最终估计每层的RWU值。结果表明，最大和最小rwus分别在FL和DI_（40）中。 DI_（80），DL_（60）和DI_（40）中的根水上吸水（RAWU）的平均值减少了17.1,48.8和68.3个百分比。此外，在处理DI_（80）中，降低的摄取速率小于植物给出的水的降低。

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