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首页> 外文期刊>Acta Horticulturae >Identification of the major factors affecting pistachio production under saline conditions (case study of Yazd province, Central Iran)
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Identification of the major factors affecting pistachio production under saline conditions (case study of Yazd province, Central Iran)

机译：鉴定盐水条件下影响开发虫产量的主要因素（伊朗中部亚兹省案例研究）

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摘要

The present study was aimed to evaluate the most important factors affecting the variations of pistachio production in salt affected commercial pistachio orchards of the central part of Iran as well as to identify the most limiting factors. For this purpose, 20 four representative commercial pistachio orchards, located in Yazd province, were selected and evaluated for the major yield-related parameters. Correlation matrix and factor analysis (FA] approaches were used to identify the most effective factors on pistachio production. Several different factors including climate (e.g. temperature, humidity, wind speed, etc.), geography (latitude, longitude and altitude), quality and quantity of water and soil resources (e.g. salinities of irrigation waterand soil, leaching fraction, depth of applied water, etc.), soil physical properties (sand, silt and clay contents, bulk density, field capacity and PWP) as well as pistachio tree features (age, daily and seasonal evapotranspiration) were correlated with pistachio yield. Results of this investigation showed that latitude (r=0.49), air humidity (r=-0.43), evapotranspiration (r=0.60), soil moisture at the PWP point (r=-0.30) and leaching fraction (r=0.33) parameters had crucial role on pistachio yield. While, other parameters like sunshine hours, longitude and irrigation water pH had lower and insignificant effects on yield. However, improving soil fertility and controlling pest management as well as spring frosts should be considered for improving pistachio performance under conditions of Yazd province.
机译：目前的研究旨在评估影响伊朗中央部分盐的开心果生产变化的最重要因素，并确定最有限的因素。为此目的，选择并评估了位于亚兹德省的20名代表商业开心果园，并评估了主要的产量相关参数。相关矩阵和因子分析（FA]方法用于识别开心果生产中最有效的因素。包括气候（例如温度，湿度，风速等），地理（纬度，经度和高度），质量和水土资源的数量（例如灌溉水域盐水，浸出级分，施用水深等），土壤物理性质（砂，淤泥和粘土内容物，散装密度，田间容量和PWP）以及开心果树特征（年龄，日常和季节性蒸发）与开心屈服相关。该研究结果表明，纬度（r = 0.49），空气湿度（r = -0.43），蒸散蒸腾（r = 0.60），PWP点的土壤水分（r = -0.30）和浸出级分（r = 0.33）参数对开发屈样产量具有至关重要的作用。但是，其他参数如阳光小时，经度和灌溉水pH值较低，对产量有微不足道的影响。但是，即兴提升G土壤肥力和控制害虫管理以及春季霜冻应考虑在亚兹德省条件下提高开心绩效。

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