| 大棚番茄营养生长期日蒸腾量估算模型研究 |
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| 引用本文： | 张大龙,李建明,姚勇哲,张荣,孙三杰,陈凯利.大棚番茄营养生长期日蒸腾量估算模型研究[J].灌溉排水学报,2013,32(1):22-25,73. |
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| 作者姓名： | 张大龙 李建明 姚勇哲 张荣 孙三杰 陈凯利 |
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| 作者单位： | 1. 西北农林科技大学园艺学院,陕西 杨凌,712100
2. 西北农林科技大学食品科学与工程学院,陕西 杨凌,712100 |
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| 基金项目： | 国家“十二五”863计划项目(2011AA100504);国家“十二五”科技支撑计划项目(2011BAD12B03-03) |
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| 摘 要： | 基于大棚盆栽试验,分析不同水分处理条件下番茄单株日蒸腾量、单株总叶面积、气象因子、土壤水分状况等因素,建立了塑料大棚番茄营养生长期单株日蒸腾量估算模型,并进行模型检验。结果表明,在土壤含水率为95%FC～100%FC、80%FC～85%FC、65%FC～70%FC时,模型决定系数R2分别为0.85、0.84、0.86,平均相对误差分别为13.24%、14.64%和14.70%。所建模型的参数较少且易获取,预测的精度较理想,可以较好地估算塑料大棚番茄营养生长期单株日蒸腾量。
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| 关 键 词： | 塑料大棚 蒸腾 估算模型 番茄 |
Estimation Model of Transpiration Per Day for Tomato in Vegetative Growth Period in Plastic-Covered Tunnel |
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| ZHANG Da-longa,LI Jian-minga,YAO Yong-zhea,ZHANG Rongb,SUN San-jiea,CHEN Kai-li.Estimation Model of Transpiration Per Day for Tomato in Vegetative Growth Period in Plastic-Covered Tunnel[J].Journal of Irrigation and Drainage,2013,32(1):22-25,73. |
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| Authors: | ZHANG Da-longa LI Jian-minga YAO Yong-zhea ZHANG Rongb SUN San-jiea CHEN Kai-li |
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| Institution: | a (a.College of Horticulture;b.College of Food Science and Technology,Northwest A & F University,Yangling 712100,China) |
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| Abstract: | Based on pot experiments,the estimation model was established by analyzing parameters such as transpiration per day per plant,total leaf area per plant,meteorological factors and soil moisture under different water treatments.The model was verified according to measurement data of different sowing dates in a year.The results showed that the coefficients of determination(R2) of the model under different soil water gradients(95%FC-100%FC,80%FC-85%FC,65%FC-70%FC) were 0.85,0.84,0.86 and the average relative errors(MRE) were 13.24%,14.64%,14.70%,respectively.The model could be used to predict tomato transpiration per day in vegetative growth period. |
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| Keywords: | plastic-covered tunnel transpiration estimating model tomato |
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