Effect of Potassium Humate and Micronic Sulfur on the Chemical Properties of Some Soils of Toshka, Egypt

Main Article Content

Atef A. A. Sweed
Ahmed A. M. Awad

Abstract

Low soil organic matter, low nutrient availability and the higher soil pH (more than 8) are the major problem of agricultural practices in region of Toshka. An incubation trial at October 2019 was conducted to investigate the effect of potassium humate (KH) and micronic sulfur (MS) on some chemical properties of different soils (sandy clay soils, loamy sand and sandy soils). The used amendments (KH and MS) were added to the studied soil at 4 levels of each amendment i.e. 0.0, 0.25, 0.50 and 1.0%. A two way randomized completely block design and provided with three replications. Studied parameters were included soil pH, EC, exchange Na and the content of available - P and K. Results showed that, the MS application at 1% level caused a significant decrease in soil pH values compared with the KH application and control treatment. These reductions were more pronounced in case of soil B (loamy sand). Also, KH application gave an increase on exchange Na and available-K. While MS application was cause an increased in soil EC and available-P in the three soils under study. Moreover, the increases in the percentage of available – K with added of KH were higher than added of MS for soils under study. While the percentages of available-P with added of KH were higher than with added of MS for studied soils. It may be recommended to add KH and MS at a rate of 1% to improve the soil chemical properties. But the effect of application from MS has greater than KH to increase dissolved sodium salts on the form of sodium sulfate, which facilitates disposal during soil drainage.

Keywords:
Potassium humate, micronic sulfur, available K and available P.

Article Details

How to Cite
Sweed, A. A. A., & Awad, A. A. M. (2020). Effect of Potassium Humate and Micronic Sulfur on the Chemical Properties of Some Soils of Toshka, Egypt. Asian Journal of Soil Science and Plant Nutrition, 6(2), 1-9. https://doi.org/10.9734/ajsspn/2020/v6i230081
Section
Original Research Article

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