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Effects of Nonuniform Root-zone Salinity on Na+, Cl- and Nitrate Uptake in Irrigated Almond

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자료유형	E-Book
개인저자	Valenzuela Acevedo, Francisco Jose Gabriel.
단체저자명	University of California, Davis. Agricultural and Environmental Chemistry.
서명/저자사항	Effects of Nonuniform Root-zone Salinity on Na+, Cl- and Nitrate Uptake in Irrigated Almond.
발행사항	[S.l.] : University of California, Davis., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	127 p.
소장본 주기	School code: 0029.
ISBN	9780438289758
일반주기	Source: Dissertation Abstracts International, Volume: 79-12(E), Section: B. Adviser: Patrick H. Brown.
요약	Californian agriculture is under increasing threat from salinity as a consequence of scarcer water resources, combined with the increasing use of low quality ground water. In many regions of California, groundwater used for irrigation, is compro
요약	Almond is an important crop for California's with a surface of 890,000 acres planted supplying ~80% of the world almond exports and contributes $11 billion of total value added to California's economy and generates 104,000 direct and indi
요약	Currently the main strategy used to manage salts consists of the application of water in excess of plant needs to leach salts from the root zone, traditionally this would be achieved by flood irrigation so the movement of water deep into the soi
요약	As a consequence of the mobility of nitrate in the soil, salinity management imposes an additional environmental risk since the leaching of saline salts can easily result in the loss of nitrate from the cropping system. Collectively these constr
요약	Historically salt levels in the root zone have been measured in saturated paste extracts (EC~e~) of soil cores collected from within the main rooting zone at different depth. The average value of all depths represents the saline level of the roo
요약	Under the complex scenario of heterogeneous salinity the main challenge for studies on saline stress for California almond orchards is to develop methodologies that better simulate field conditions, and to conduct pot or other studies that attem
요약	Two experiment experiments were carried out to test tree response under non-uniform saline conditions. Experiment 1: Non-uniform saline, osmotic and nutritional conditions in root sub-zones of plants were evaluated by the use of a split-root met
일반주제명	Agriculture. Horticulture. Environmental studies.
언어	영어
기본자료 저록	Dissertation Abstracts International79-12B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14997282