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Timothy K. Hartz and Thomas G. Bottoms

Processing tomato is an important crop in California, where more than 100,000 ha are produced annually ( Hartz et al., 2008 ). In recent years, drip irrigation has revolutionized production and increased fruit yield expectations; some California

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James W. Paterson

The effectiveness of varying rates and timing of applied primary plant nutrients as a completely soluble N-P-K fertilizer through a drip/trickle low volume irrigation system was studied during 1991 on eggplant (Solanum melongena cv. Harris Special Hibush). Before the drip irrigation tubing and black plastic mulch were laid on a coastal plain sandy loam soil, plots were treated with 0, 22, 45, and 67 kg ha-1 of nitrogen (N), phosphate (P2O5) and potash (K20). The higher rates of preplant fertilization did have a significant beneficial effect on total seasonal yields of quality eggplants. The preplant treatments also had an influence on mid and late season production. As the frequency of drip/trickle applied primary plant nutrients increased up to 6 seasonal applications, the total quality fruit production substantially increased. Frequency of applications also had an influence on seasonal yields. Applying increased rates of the primary plant nutrients at a low seasonal frequency of 3 applications had little influence on increasing total quality yields of eggplants. Individual quality fruit was significantly heavier from plants which received 5 to 6 applications of the soluble N-P-K fertilizer than from plants which received no fertilizer through the drip/trickle irrigation system for the season.

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Shixin Deng, Qun Yin, Shanshan Zhang, Kankan Shi, Zhongkui Jia and Luyi Ma

twice a week with 81/h tricklers rather than by irrigating every day or once a week with 41/h tricklers. Zhao et al. (2012) reported that surface drip irrigation caused the roots of Elaeagnus angustifolia to be distributed in the topsoil and that the

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Quan Liu, Yan Lan, Feng Tan, Yunbiao Tu, Yingying Sun, Gajue Yougu, Zeshen Yang, Chunbang Ding and Tian Li

buds in each subplot were used for all field measurements and sampling analysis, and the others were considered as guard trees. In Sept. 2015, a DI system was installed in three plots (one plot in each block) with two drippers (2.0 L·h −1 ) per tree

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Oscar L. Vargas, David R. Bryla, Jerry E. Weiland, Bernadine C. Strik and Luna Sun

Until recently, most blueberry fields in the United States were irrigated with sprinklers. However, many new plantings are irrigated by drip, particularly in newer growing regions such as California and eastern Oregon and Washington ( Strik and

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Sanjit K. Deb, Parmodh Sharma, Manoj K. Shukla, Theodore W. Sammis and Jamshid Ashigh

to salt stress under higher irrigation water salinity treatment levels. The objective of this study was to compare salinity responses and salinity-related suppression of budbreak of drip-irrigated pecan seedlings of rootstock ‘Riverside’ grafted with

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Brent Rowell and Mar Lar Soe

Commercial horticultural crop growers in the United States, Europe, Australia, China, Korea, Brazil, Mexico, South Africa, and the Middle East enjoy the benefits of drip irrigation, which have been described in numerous research and extension

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Brent Rowell and Mar Lar Soe

On-farm trials and demonstrations of low-cost drip irrigation systems for fruits, flowers, and vegetables were carried out with hundreds of farmer cooperators by the nonprofit organization Proximity Designs (Yangon, Myanmar) from 2007 to 2009 before

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Oleg Daugovish, Mark Bolda, Sukhwinder Kaur, Maren J. Mochizuki, Daniel Marcum and Lynn Epstein

germination and infection, we postulated that drip irrigation in the nursery would reduce the impact of C. acutatum in fruiting fields. The objective of this study was to evaluate the impact of irrigation method and the presence of pathogen pressure in a

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Javier Fernandez-Salvador, Bernadine C. Strik and David R. Bryla

performance in drip fertigation systems; however, it is known to be soluble in water ( Keller and Heckman, 2006 ). Corn steep liquor and fish emulsion fertilizers are valued in organic agriculture as rapid-release N sources with no required preharvest