干旱区生态环境知识资源中心(Arid): Phosphorus doses alter the ionic homeostasis of cowpea irrigated with saline water

Arid

DOI	10.1590/1807-1929/agriambi.v25n6p372-379
	Phosphorus doses alter the ionic homeostasis of cowpea irrigated with saline water
	Sa, Francisco V. da S.; da Silva, Ivan E.; Ferreira Neto, Miguel; de Lima, Yuri B.; de Paiva, Emanoela P.; Gheyi, Hans R.
通讯作者	Sa, FVD (corresponding author), Univ Fed Rural Semi Arido, Ctr Ciencias Agr, Mossoro, RN, Brazil.
来源期刊	REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN	1415-4366
EISSN	1807-1929
出版年	2021
卷号	25 期号:6 页码:372-379
英文摘要	Soil and water salinization problems are increasingly common in arid and semi-arid regions, so it is necessary to adopt technologies that enable the use of these natural resources in agriculture, allowing satisfactory plant development. Thus, the objective of this study was to evaluate the effects of saline water irrigation associated with phosphate fertilization on soil salinity and on phytomass accumulation and nutrient concentration in cowpea plants. The study was carried out in a greenhouse using a randomized block design in a 5 x 3 factorial scheme consisting of five electrical conductivity of irrigation water electrical conductivities (0.5, 1.5, 2.5, 3.5 and 4.5 dS m-1) and three phosphorus doses (60, 100 and 140% of the recommended dose - 60 kg P2O5 ha-1), with five repetitions. Plants were cultivated in 8 dm3 lysimeters until the flowering stage and, during this period, soil salinity, phytomass accumulation and nutrient concentration in the plant tissue were evaluated. Irrigation with water with electrical conductivity above 2.5 dS m-1 increased soil salinity and sodium concentration in the tissues to toxic levels, reducing phytomass accumulation and concentrations of macronutrients in cowpea plant tissue, except for nitrogen. Application of 60% of the recommended dose of phosphorus for cowpea improves its ionic homeostasis, increasing the absorption of potassium and calcium, but does not reduce the deleterious effects of high salinity on phytomass accumulation.
英文关键词	Vigna unguiculata mineral nutrition single superphosphate salt stress
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000635592800002
WOS关键词	SALT TOLERANCE ; STRESS ; ACCUMULATION
WOS类目	Agricultural Engineering
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/351574
作者单位	[Sa, Francisco V. da S.; Ferreira Neto, Miguel; de Lima, Yuri B.; de Paiva, Emanoela P.] Univ Fed Rural Semi Arido, Ctr Ciencias Agr, Mossoro, RN, Brazil; [da Silva, Ivan E.] Univ Fed Ceara, Dept Engn Agr, Fortaleza, CE, Brazil; [Gheyi, Hans R.] Univ Fed Campina Grande, Ctr Tecnol & Recursos Nat, Campina Grande, PB, Brazil
推荐引用方式 GB/T 7714	Sa, Francisco V. da S.,da Silva, Ivan E.,Ferreira Neto, Miguel,et al. Phosphorus doses alter the ionic homeostasis of cowpea irrigated with saline water[J],2021,25(6):372-379.
APA	Sa, Francisco V. da S.,da Silva, Ivan E.,Ferreira Neto, Miguel,de Lima, Yuri B.,de Paiva, Emanoela P.,&Gheyi, Hans R..(2021).Phosphorus doses alter the ionic homeostasis of cowpea irrigated with saline water.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,25(6),372-379.
MLA	Sa, Francisco V. da S.,et al."Phosphorus doses alter the ionic homeostasis of cowpea irrigated with saline water".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 25.6(2021):372-379.