Study of Magnesium Status in Some Gypsiferous Soils and Response of Wheat Plant   (Triticum aestivum L.) to  Magnesium Fertilizer 1-Effect on Vegetative Growth Stage

G.S,; Mohammed,; AL-Maeni,; A.T,

	Study of Magnesium Status in Some Gypsiferous Soils and Response of Wheat Plant (Triticum aestivum L.) to Magnesium Fertilizer 1-Effect on Vegetative Growth Stage
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 16, Issue 1, 2016, Pages 143-153
Authors
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Abstract
Gypsiferous soil samples which different in gypsium contents were collected from different sites of salah–Eldin province .Forms of magnesium, potassium and calcium (soluble ,exch,avaible and non-exch) were determined pots experiment in greenhouse was conducted using CRD design with two factors .Four levels of magnesium fertilizer(0,40,80,120 mg.Mg.Kg¯¹).The second factor was soil content of gypsium(G₁=5%,G₂=15% and G₃=25%).Cut was taken at tillering stage from all treatment.Dry weight yield and uptake of Mg and N,P,K were calculated at this stage of growth .Results revealed that available Mg and K were under the critical level for plant requirement and decrease with increase in soil gypsium content .Application of Mg-fertilizer caused significantly increase in dry weight yield compared with control at tillering stage.The percentage of increase were 40.72%,60.72% and 57.74% at Mg₁,Mg₂ and Mg₃ respectively .The soil with high content of gypsum (G₃) was more responed to magnesium application than other soil. Mg-fertilizer application caused significant increase in Mg-uptake and at the higher uptake (6.62 mg.Plant¯¹) was at the treatment Mg₃G₃,and also caused significant increase in P,N,K uptake at tillering stage.
Keywords
Magnesium Status; Gypsiferous soil; Wheat Plant; vegetative growth

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