Impact of some Organic and Inorganic Amendments on some Soil Properties and Wheat Production under Saline-Sodic Soil

Document Type : Original Article

Authors

Soils, Water and Environment Research Institute, Agricultural Research Center, Egypt

Abstract

Two field experiments were conducted at two sites in Sakha Agric. Res. Station Farm, North Delta, during two successive winter seasons, 2017/2018 and 2018/2019 to study the effect of individual and combined applications of gypsum, compost tea and biochar on some soil properties and wheat (Triticum aestivum, L) productivity under saline and saline-sodic soils. Gypsum requirements (G), 400 L compost tea (C), 1 Mg biochar (B1) or 2 Mg biochar (B2) were applied. Data revealed that application of G+ C+ B2 decreased soil ECe by 28.06 and 13.16 %, SAR by 17.23 and 8.92 %, ESP by 17.23 and 8.92 % for site 1 and site 2, respectively as compared to the control. While, the sodium removal efficiency (RSE %) with different treatments was increased in somewhat according to the following order: G+C+B2 ˃ G+C+B1 ˃ G+C ˃ G+B2 > G+B1 ˃ G ˃ C+B2> B2 > C+B1 > C > B1 compared to that of the initial soil. Also, the application of different soil amendments decreased soil bulkdensity and increased soil porosity after the two growing seasons. The plant height, 1000-grain weight, grain yield and straw yields of wheat were significantly increased with different treatments.

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