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Seiichi Miyamoto and Monte Nesbitt

Pecan is among the most salt-sensitive tree crops currently grown in the southwestern United States. The threshold soil salinity in the main root zone for tree growth appears to be around 2.0 dS·m −1 in the soil saturation extract when sodium (Na

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Huisen Zhu and Deying Li

nutrient availability ( Murphy, 2015 ; Qian and Mecham, 2005 ). Therefore, increased use of recycled water along with inherent soil salinity problems on many golf courses make salinity an important issue in golf course management. Soil salinity causes soil

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Sheng Chen, Zhenchang Wang, Zhanyu Zhang, Xiangping Guo, Mengyang Wu, Ghulam Rasool, Rangjian Qiu and Xiaojun Wang

, excess irrigation reduces the surface soil salinity to maintain plant growth. However, this method does not always work because salts will move upward by capillary rise in response to higher potential evapotranspiration and accumulate near the soil

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Yong Yang, Xueyong Liu, Yuanli Jiang, Zuoxiang Xiang, Qingguo Xu, Na Zhao and Bichao Shu

Saline soils are widely distributed all over the world, especially in the arid and semiarid areas and coastland ( Cheong and Yun, 2007 ). Soil salinity may have a profound impact on plant growth. Previous studies have reported that soil salinization

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Zhuangjun Zhao, Margaret Mukami Gitau, Tao Hu, Yan Xie, Longxing Hu and Jinmin Fu

Yun, 2007 ). Soil salinity may have a profound impact on plant growth. Some studies have reported that salinization of soils inhibits the growth, development, and differentiation of plants and, causes low productivity of crops and grasses ( Koca et al

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A.M. Akl*

This study was conducted during 2002 and 2003 seasons to select the best citrus rootstocks for young `Valencia' orange trees grown under soil salinity stress. Six citrus rootstocks namely Volkamer lemon, Cleopatra mandarin, Troyer citrange, Rough lemon, Egyptian lime, and Sour orange were tested. Four soil salinity levels, namely, 0.0%, 0.1%, 0.2%, and 0.4% were examined. Results showed that growth criteria, plant pigments and percentages of N, P, and K in the leaves of `Valencia' orange onto all citrus rootstocks tended to reduce with raising soil salinity. The harmful effects imposed by soil salinity was `Valencia' orange on Volkamer lemon, Cleopatra mandarin Troyer citrange, Rough lemon, Egyptian lime, and Sour orange, in asending order. Results proved the superiority of Volkamer lemon, Cleopatra mandarin, and Trouyer citrange rootstocks for `Valencia' orange transplants grown under salinity conditions as compared to the other rootstocks. `Valencia' orange on such promising rootstocks could tolerate soil salinity until 0.20% without adverse effects on growth of transplants. Sour orange rootstock seems to be the lowest suitable stock for `Valencia' orange tansplants grown under soil salinity conditions.

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Sawyer N. Adams, Walter O. Ac-Pangan and Lorenzo Rossi

agriculture. From a plant physiological point of view, salinity is harmful to citrus because the sodium ions are toxic when absorbed and interfere with the plant’s normal physiological activities ( Tavakkoli et al., 2010 ). Soil salinization can occur

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H.C. Wien

Crops and Environmental Change: An Introduction to Effects of Global Warming, Increasing Atmospheric CO 2 and O 3 Concentrations, and Soil Salinization on Crop Physiology and Yield. 2005. S.G. Pritchard and J.S. Amthor. Food Products Press

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Leland E. Francois

Globe artichokes recently have been planted in the irrigated desert area of southern California. Soils in this area are, or have the potential to become, highly saline from the application of saline irrigation water. Thus, a 2-year field plot study was conducted. A control and five saline treatments were imposed by irrigation with waters that contained equal weights of NaCl and CaCl. Bud yield and vegetative growth were measured. For the two years, relative bud yield was unaffected up to a soil salinity of 6.1 dS·m [electrical conductivity of the saturated soil extract (EC,)]. Each unit increase in salinity above 6.1 dS·m reduced yield by 11.5%. These results place artichoke in the moderately salt-tolerant category. Yield reduction was attributed primarily to reduced bud weight rather than bud count. Vegetative growth was more tolerant to salt stress than was bud production. Chloride concentration in midrib and blade tissue increased as salinity increased.

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Genhua Niu, Denise S. Rodriguez, Kevin Crosby, Daniel Leskovar and John Jifon

states of the United States. Soil salinity is already a growing problem in arid and semiarid southwestern states as a result of low rainfall and high evaporation. Irrigating crops with low-quality water can increase soil salinity ( Pasternak and Malach